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User's and Administrator's Manual AudioCodes 400HD IP Phone Series C448HD | C450HD IP Phones Microsoft Teams Application Version 1.3.51 ...
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Customer technical support and services are provided by AudioCodes or by an authorized AudioCodes Service Partner. For more information on how to buy technical support for AudioCodes products and for contact information, please visit our website at ...
Content C448HD and C450HD | Users & Administrator's Manual Table of Contents 1 Overview Specifications 2 Setting up the Phone Unpacking Device Description Front View Rear View Cabling Mounting the Phone Desktop Mounting Routing the Handset Cable Wall Mounting 3 Starting up Configuring Device Settings Restoring the Phone to Default Settings Performing a Hard Restore...
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Content C448HD and C450HD | Users & Administrator's Manual Rejecting an Incoming Call, Sending it Directly to Voicemail Adjusting Volume Adjusting Ring Volume Adjusting Tones Volume Adjusting Handset Volume Adjusting Speaker Volume Adjusting Headset Volume Managing Meetings Better Together over Bluetooth 6 Updating C450HD Phone Firmware Manually 7 Troubleshooting Users...
C448HD and C450HD | Users & Administrator's Manual Overview The AudioCodes C448HD and C450HD IP phones are native Microsoft Teams high- end executive business phones with a large color touch screen and full UC integration for the ...
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CHAPTER 1 Overview C448HD and C450HD | Users & Administrator's Manual Feature Details ■ RTP/RTCP Packetization (RFC 3550, RFC 3551), SRTP (RFC 3711) ■ Microsoft Authentication (Sign in with user credentials; Sign in using Teams PC/Smartphone; Modern Authentication; Phone lock/unlock) phones ■ Calling (Incoming/Outgoing P2P calls; In-call controls via UI (Mute, feature set hold/resume, transfer, end call); PSTN calls; Visual Voicemail; 911 support ■ Calendar and Presence (Calendar Access and Meeting Details; Presence Integration; Exchange Calendar Integration; Contact Picture Integration; Corporate Directory Access) ■ Meetings (One-click Join for Meetings; Join Skype for Business meetings; Meeting Call controls [Mute/unmute, hold/resume, hang up, add/remove participant]; Meeting Details. See also https://docs.microsoft.com/en-us/MicrosoftTeams/phones-for- teams ■ Configuration Microsoft Teams & Skype for Business Admin Center (Provisioning / and Logging) Management ■...
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CHAPTER 1 Overview C448HD and C450HD | Users & Administrator's Manual Feature Details ✔ RJ-9 port (jack) for headset ✔ RJ-9 port (jack) for handset ✔ 2 x USB ports for headset support (C450HD); 1 x USB port for headset support (C448HD) ✔ RJ-11 interface ■ Wireless connectivity (C450HD only): ✔ Single band 2.4GHz, 802.11b/g/n Wi-Fi support ✔ Wi-Fi supported protocols: WEP, WPA-PSK/WPA2-PSK and WPA/WPA2 Enterprise (802.1X) PEAP only ■ Integrated optional Bluetooth support (C450HD only) (Currently supported at a Beta level) ■ Expansion Module (C450HD only) ■ Mounting: ✔ Wall and desktop mounting options ✔ One angle for desktop mount, another angle for wall mount ■ Power: ✔...
CHAPTER 2 Setting up the Phone C448HD and C450HD | Users & Administrator's Manual Setting up the Phone Unpacking When unpacking, make sure the following items are present and undamaged: Phone / Stand Handset / Cord Cat 5e Ethernet Cable AC Power Adapter (Optional) If anything appears to be missing or broken, contact the distributor from whom you purchased the phone for assistance.
CHAPTER 2 Setting up the Phone C448HD and C450HD | Users & Administrator's Manual Device Description Use the next graphics to identify and familiarize yourself with the device's hardware functions. Front View The front view of the phone is shown in the figure and described in the table. Figure 2-1: Front View Table 2-1: Font View Description Item # Label/Name Description Ring LED Indicates phone status: ■ Green: Idle state ■ Flashing blue: Incoming call (ringing) - 6 -...
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CHAPTER 2 Setting up the Phone C448HD and C450HD | Users & Administrator's Manual Item # Label/Name Description ■ Red: Answered call TFT touch Thin Film Transistor touch screen, a type of LCD (Liquid screen Crystal Display) interactive screen which displays calling information and lets you configure phone features by touching the glass. ■ Navigation Press the button's upper rim to scroll up menus/items in Control / OK the touch screen. ■ Press the button's lower rim to scroll down. ■ Press the button's left or right rim to move the cursor left or right (when editing a contact number for example). ■ Press OK to select a menu/item/option. Voicemail Retrieves voicemail messages. ...
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CHAPTER 2 Setting up the Phone C448HD and C450HD | Users & Administrator's Manual Item # Label/Name Description Used as a ‘Back’ key to return to the previous screen. - 8 -...
CHAPTER 2 Setting up the Phone C448HD and C450HD | Users & Administrator's Manual Rear View The rear view of the phone is shown in the figure and described in the table. Figure 2-2: Rear View Table 2-2: Rear View Description Label Description Handset jack, i.e., port RJ-9, to connect the handset. RJ-45 port to connect to the Ethernet LAN cable for the LAN connection (uplink - 10/100/1000 Mbps). If you're using Power over Ethernet (PoE), power to the phone is supplied from the Ethernet cable (draws power from either a spare line or a signal line). RJ-45 port to connect the phone to a PC (10/100/1000 Mbps downlink). 12V DC power jack that connects to the AC power adapter. Headset jack, i.e., RJ-9 port that connects to an external headset. - 9 -...
CHAPTER 2 Setting up the Phone C448HD and C450HD | Users & Administrator's Manual Cabling The documentation following shows how to cable your phone. Use the figure and table as reference. Figure 2-3: Cabling the Phone Table 2-3: Cabling the Phone Action Description Connect the phone's RJ-9 port to the handset cord's longer, straight end. Connect the handset to the handset cord's short, straight end. Connect one of the two USB ports to a headset [optional]. Connect the phone’s power socket labelled DC 12V to the connector tip of the AC power adapter. Connect the two-prong AC adapter directly to the electrical wall outlet. When the phone powers up, all the LEDs momentarily light up. Connect the phone's RJ-9 headset jack to a headset [optional] - 10 -...
If the LAN to which the phone is connected supports Power over Ethernet (PoE), no AC adapter is required; the phone receives power from the Ethernet network. Prior to connecting power, refer to the Compliancy and Regulatory Information at www.audiocodes.com/library. Mounting the Phone The phone can be mounted on a: ■...
CHAPTER 2 Setting up the Phone C448HD and C450HD | Users & Administrator's Manual Routing the Handset Cable The phone features a groove for routing the handset cable. Wall Mounting The documentation following shows how to mount the phone on a wall. ➢ To mount the phone on a wall: Attach the stand of the phone for the purpose of a wall mounting: Detach the base. Attach it again as you did for a desktop mounting (see Desktop Mounting on the previous page ) only now make sure that it's flatly aligned to lie flush against the wall, i.e., slide the inner rails of the phone stand onto the phone base's inner notches. Connect the AC power adapter, LAN and PC/laptop cords. In the wall, drill two horizontal holes at a distance of 3 15/16 inches (100 mm) from one another, in line with the template. Insert two masonry anchors into the holes if necessary.
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CHAPTER 2 Setting up the Phone C448HD and C450HD | Users & Administrator's Manual Thread two screws (not supplied) into the two masonary anchors; ensure that the heads extend sufficiently (about 3/16 inch or 5 mm from the wall) for the phone stand's keyhole slots to hang on. Hang the phone stand's keyhole slots on these screws. - 13 -...
CHAPTER 3 Starting up C448HD and C450HD | Users & Administrator's Manual Starting up After connecting the phone to the network (or resetting it), a start-up wizard opens displaying by default the ‘Select the language for your device’ screen. Configure the language of your choice and then configure device settings to match specific requirements. Only if the phone is restored to default settings will it be necessary to repeat this. Configuring Device Settings The section familiarizes you with the device’s settings. Devices are delivered to customers configured with their default settings. Customers can customize these settings to suit enterprise requirements. ...
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CHAPTER 3 Starting up C448HD and C450HD | Users & Administrator's Manual Swipe down to navigate to and open a setting. Use this table as reference. Table 3-1: Device Functions Settings Descriptions Setting Description Login to the Device as Regular User Display Opens the ‘Display’ screen [Brightness level]. The phone's screen supports different brightness levels. Customers can choose the level that best suits requirements. ■ Sleep ■ Screen saver - 15 -...
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CHAPTER 3 Starting up C448HD and C450HD | Users & Administrator's Manual Setting Description ■ Font size Sound Allows you to customize phone volume to create a friendlier user experience. Ring volume at n% Date & time Date and time are automatically retrieved from the deployed Network Time Protocol (NTP) server. - 16 -...
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CHAPTER 3 Starting up C448HD and C450HD | Users & Administrator's Manual Setting Description Use 24-hour format [Allows you to select the Time format] Wi-Fi The phone can connect to an Access Point via Wi-Fi. To enable Wi-Fi: Access the Device Settings screen and select Wi-Fi . Switch Wi-Fi to On to view the list of possible SSIDs (Service Set Identifier). - 17 -...
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CHAPTER 3 Starting up C448HD and C450HD | Users & Administrator's Manual Setting Description Select an SSID, configure the required credentials, and then touch CONNECT : Accessibility Allows making the screen reader friendlier. Bluetooth [Applies only to C450HD] [Bluetooth support is provided under Android as a Beta] Hands free profile where the phone is able to connect to Bluetooth headset or speaker. To enable Bluetooth: Press the MENU hard key on the phone to access the Device Settings screen. Select Bluetooth . - 18 -...
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CHAPTER 3 Starting up C448HD and C450HD | Users & Administrator's Manual Setting Description Switch the feature on and then press shown in the upper right corner of the preceding screen to find available Bluetooth devices. [Optional] Select the Audio check box to view only audio devices. Pair your Bluetooth USB headset and then touch Refresh . Select the device you require; it's then connected to Bluetooth. Power Saving Allows users to contribute to power saving in the enterprise. - 19 -...
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CHAPTER 3 Starting up C448HD and C450HD | Users & Administrator's Manual Setting Description Enable power saving Office hours start time [The device consumes minimal energy before the user arrives at the office] Office hours end time [The device consumes minimal energy after the user leaves the office] Debugging Enables users to reboot the device. Log in as Administrator (MENU key on the phone > Admin) for more debugging settings to be available. Security Helps secure the enterprise telephony network against breaches. Screen lock [The phone automatically locks after a configured period to - 20 -...
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CHAPTER 3 Starting up C448HD and C450HD | Users & Administrator's Manual Setting Description secure it against unwanted use. If left untouched for 10 minutes (default), it automatically locks and is inaccessible to anyone who doesn't know its lock code.] Make passwords available Storage type Trusted credentials User credentials Install from SD card Clear credentials Touch screen Allows users to disable the phone’s touch screen. Languages Allows users to customize inputting to suit personal requirements. & input About Enables users to determine device information. [Android 7.1.2] To determine the device’s IP address, select the ‘Status’ option. - 21 -...
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CHAPTER 3 Starting up C448HD and C450HD | Users & Administrator's Manual Setting Description To get information about the version, select ‘Android version’. Login to the Device as Admin Device Allows the user to log in as Administrator, necessary for some of the administration debugging options. It is password protected. Default password: 1234 (or 1111 in early versions). After logging in as an Administrator, the user can log out | change password. To log in as Administrator: Press the MENU key on the phone. - 22 -...
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CHAPTER 3 Starting up C448HD and C450HD | Users & Administrator's Manual Setting Description Touch the Device administration option. Touch the Login field. Use the virtual keyboard displayed to enter the password ( 1234 or 1111 ). Note that the virtual keypad pops up for all ‘Settings’ fields to allow inputting characters and / or numbers. Two virtual keyboard types can be displayed: Numeric (shown first below) or QWERTY (shown second below). - 23 -...
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CHAPTER 3 Starting up C448HD and C450HD | Users & Administrator's Manual Setting Description These virtual keyboards are also displayed when network administrators need to enter an IP address to debug, or when they need to enter their PIN lock for the security tab. Modify Enables the Admin user to determine network information and to network modify network settings. - 24 -...
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CHAPTER 3 Starting up C448HD and C450HD | Users & Administrator's Manual Setting Description IP Address [Read Only] IP Settings [DHCP or Static IP] Network state [Read Only] Enable PC port Proxy 802.1x Settings VLAN Settings. Allows you to configure the VLAN mode Manual , CDP only or LLDP only . Proxy The phone can be configured with an HTTP Proxy server by an Admin user in two ways: ■ Manually . T he Admin user can use this method to configure HTTP proxy server parameters through the Teams application: Log in to 'Device administration': - 25 -...
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CHAPTER 3 Starting up C448HD and C450HD | Users & Administrator's Manual Setting Description Touch the Modify network option: Touch the Proxy option and then configure the proxy host name and port: - 26 -...
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CHAPTER 3 Starting up C448HD and C450HD | Users & Administrator's Manual Setting Description ■ Over DHCP with Option 252 . It's recommended that the Admin user uses this method when provisioning multiple phones . Option 252 provides a DHCP client with a URL to use to configure its proxy settings: The proxy setting is provided in a Proxy Auto-Configuration (PAC) file that contains a set of rules coded in JavaScript which allows a web browser to determine whether to send web traffic directly to the Internet or to be sent via a proxy server. PAC files control how the phone handles HTTP, HTTPS and FTP traffic. Example of a basic PAC file: function FindProxyForURL(url, host) return "PROXY 10.13.2.40:3128"; - 27 -...
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CHAPTER 3 Starting up C448HD and C450HD | Users & Administrator's Manual Setting Description 802.1x 802.1X Authentication is the IEEE Standard for Port-based Network Settings Access Control (PNAC). See https://1.ieee802.org/security/802-1x/ for more information. In Version 1.2.196, 802.1X Authentication is supported for MD5 only. Support for EAP-TLS will be added in the next release. In the ‘Modify Network’ screen (as an Admin), access the 802.1x Settings screen. To configure EAP-MD5 mode for 802.1X: Set the EAP method to the MD5 option. Enter this information: ✔ Identity: User ID ✔ Password: MD5 password (optional) Touch the Save softkey. VLAN Settings Touch the menu option ...
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CHAPTER 3 Starting up C448HD and C450HD | Users & Administrator's Manual Setting Description ■ Cisco Discovery Protocol ( CDP ) is a Cisco proprietary Data Link Layer protocol ■ Link Layer Discovery Protocol ( LLDP ) is a standard, layer two discovery protocol Select the mode you require and then touch OK . If you select Manual configuration , this screen opens: Regional Touch the menu option Regional preference . preference This option allows you to define the country in which the phone is located. The setting determines which regional tone the phone will use. Call Progress Tones (CPTs) are country-specific; the behavior and - 29 -...
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CHAPTER 3 Starting up C448HD and C450HD | Users & Administrator's Manual Setting Description parameters of analog telephones lines vary from country to country. Touch Regional Tone Settings and select the country in which the phone is located. Debugging Allows the Admin user to perform debugging for troubleshooting purposes. Available after logging in as Admin. Log settings Remote Logging (see under Remote Logging on page 68 for more information) Diagnostic Data (see under Diagnostic Data on page 69 for more information) Reset configuration Restart Teams app Company portal login Debug Recording (for Media/DSP debugging) (see under Remote Logging on page 68 for more information) - 30 -...
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CHAPTER 3 Starting up C448HD and C450HD | Users & Administrator's Manual Setting Description Switch to Teams Compatible Factory data reset (the equivalent of restore to defaults; including logout and device reboot). ADB (Android Debug Bridge command-line tool used to debug the Teams app); the setting is disabled by default; leave it unchanged at the default unless there’s a real necessity to use it. Backup & Enables the Admin user to perform a factory data reset. Reset …. More Enables the Admin user to access the Wireless & Networks screen. The ‘Network settings reset’ options enables resetting all network settings including Wi-Fi, Cellular data and Bluetooth. (Note that Bluetooth is currently supported at a Beta level). - 31 -...
CHAPTER 3 Starting up C448HD and C450HD | Users & Administrator's Manual Restoring the Phone to Default Settings Users can restore the device to factory default settings at any time. The feature can be used if a user forgets their Admin password, for example. Two kinds of restore are available: ■ Hard restore ■ Soft restore Performing a Hard Restore ➢ To perform a hard restore: Long-press the HOLD key on the phone (more than 15 seconds); you’re prompted with the next screen and the device performs a restore to default factory settings. After the restore, the phone automatically reboots and goes through the Wizard and sign- in process. Touch OK ; the sign-in screen is displayed (see Signing In on page 36 for more information). Performing a Soft Restore Users must log in as Administrator in order to perform a soft restore. The soft restore is then ...
CHAPTER 3 Starting up C448HD and C450HD | Users & Administrator's Manual Touch the Login menu item. Touch the field for the virtual keyboard to be displayed and then enter the default password of 1234 ; you’re prompted with ‘You are now logged in’; you now have privileges to configure the Device Settings screen. Press the x key on the phone to go back and then in the (device) Settings screen, select the Debug option. Touch the Factory data reset option; the device performs a restore to default factory settings. Locking and Unlocking the Phone As a security precaution, the phone can be locked and unlocked. The feature includes: ■ Smart unlock (see Smart Unlock on the next page ) - 33 -...
CHAPTER 3 Starting up C448HD and C450HD | Users & Administrator's Manual ■ Automatic lock ( Automatic Lock below ) Automatic Lock Users can lock their phones as a security precaution. Make sure the phone is configured with any of the lock options before attempting to lock it. If a lock option isn't configured, the lock action won't work. ➢ To lock the phone: ■ Press the 'back' hard key for at least three seconds for the device to automatically lock. Smart Unlock The smart unlock feature is available for the PIN code lock option. When the phone displays a lock screen as shown in the figure below, the user does not need to swipe to unlock the phone. ➢ To unlock the phone without swiping: Start typing your unlock PIN code; the phone displays the digits as you type: When the phone detects the unlock code, it unlocks.
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CHAPTER 3 Starting up C448HD and C450HD | Users & Administrator's Manual - 35 -...
CHAPTER 4 Teams Application C448HD and C450HD | Users & Administrator's Manual Teams Application The documentation following describes functions related to the C450HD phone’s Microsoft Teams application. Signing In Using TeamsIPPhonePolicy, network administrators can create the following users who can then sign in to the phone: ●...
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CHAPTER 4 Teams Application C448HD and C450HD | Users & Administrator's Manual You’re prompted with the option to sign in by entering user credentials (someone@example.com as can be seen in the following example), or Sign in from another device . ● If you opt to sign in with user credentials and you touch the someone@example.com field, the keyboard that opens eclipses the field; scroll up to view it and enter your user credentials. ● If you opt to Sign in from another device , complete authentication from your PC or smartphone. This is recommended if you’re using Multi Factor Authentication (MFA). Figure 4-1: Signing-in via PC / Smart Phone In the browser on your PC or smartphone, enter the URL indicated in the ...
CHAPTER 4 Teams Application C448HD and C450HD | Users & Administrator's Manual Figure 4-2: Personal or Shared User experience is optimized based on the selection. Figure 4-3: Personal Mode Figure 4-4: Shared Mode Getting Acquainted with the Phone Screen The documentation following gets you acquainted with the phone’s user interface. The next figure shows the screen when the phone is in idle state. - 38 -...
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CHAPTER 4 Teams Application C448HD and C450HD | Users & Administrator's Manual Figure 4-5: Phone Screen in Idle State - Calls - 39 -...
CHAPTER 4 Teams Application C448HD and C450HD | Users & Administrator's Manual Use this table as reference. Table 4-1: Phone Screen in Idle State - Description Item Description The phone menu. Touch to open. The screen shown after this table opens. Calls Touch the tab to open the Calls screen if it isn’t already (i.e., if the Meetings screen or Voicemail screen is open). The screen shown in the figure preceding this table opens. Meetings Setting up a Touch the tab to open the Meetings screen, shown under Meeting on page 45 opens. Voicemail Touch the tab to open the Voicemail screen, shown under Accessing Voicemail on page 46 opens. Figure 4-6: Phone Screen in Idle State - Menu Items Use this table as reference.
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CHAPTER 4 Teams Application C448HD and C450HD | Users & Administrator's Manual ● After n minutes (configured in the Teams server by your administrator), presence status automatically changes to ‘Inactive’. ● n minutes after this (also configured in the Teams server by your administrator), presence status automatically changes to ‘Away’;...
CHAPTER 4 Teams Application C448HD and C450HD | Users & Administrator's Manual Configuring Teams Application Settings The documentation here describes Teams application settings. In the Calls screen, touch the phone menu and from the menu screen shown previously, select the Settings item. Figure 4-7: Settings Use this table as reference: Table 4-4: Idle Screen Description Item Description Dark Dark Theme can be enabled to suit user preference. Theme To enable Dark Theme: Drag the ‘Dark Theme’ setting slider to the ‘on’ position; the following prompt is displayed: Click Restart and then verify after the Teams application restarts that all - 42 -...
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CHAPTER 4 Teams Application C448HD and C450HD | Users & Administrator's Manual Item Description screens (Teams application and Device Settings) are dark themed as in the following examples: Calling Opens the Calls screen. Incoming Calls ■ Call forwarding. Enables automatically redirecting an incoming call to another destination. ■ Forward to. Only displayed if the previous setting is enabled. Defines the destination to which to forward incoming calls.
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CHAPTER 4 Teams Application C448HD and C450HD | Users & Administrator's Manual Item Description destination to which to forward unanswered incoming calls. Select either Off, Voicemail, Contact or number, or Call group. Caller ID ■ Hide your phone number when dialing people who are outside of Microsoft Teams Block Calls Block calls with no caller ID . Enables blocking calls that do not have a Caller ...
CHAPTER 4 Teams Application C448HD and C450HD | Users & Administrator's Manual Item Description Hot Allows signing in to a phone that is already signed in by another user without Desking signing out the original user to whom the phone was assigned for primary use. Access the Hot Desking feature from the Hot desk option in the Teams application settings. Company The phone is by default not enrolled. You’re prompted with the option to Portal enroll: Report Opens the Send Feedback screen. an issue Setting up a Meeting Touch the Meetings tab to view your meetings. Use the Join button to join your Teams meetings.
CHAPTER 4 Teams Application C448HD and C450HD | Users & Administrator's Manual Figure 4-8: Meetings Select the Join button to join your Teams meetings. Figure 4-9: Calendar view Figure 4-10: Meeting join view Accessing Voicemail You can access your voicemail by touching the Voicemail tab. - 46 -...
CHAPTER 4 Teams Application C448HD and C450HD | Users & Administrator's Manual Figure 4-11: Voicemail Figure 4-12: Voicemail Using Audio Devices You can use one of the following audio devices on the phone for speaking and listening: ■ Handset : To make a call or answer a call, lift the handset off the cradle. ■ Speaker (hands-free mode). To activate it, press the speaker key during a call or when making a call. To deactivate it, press the speaker key again. ■ Headset (hands-free mode). When talking on the phone, you can relay audio to a connected headset. To enable it, press the headset key. To disable it, press it again. You can easily change audio device during a call. ■ To change from speaker/headset to handset : Activate speaker/headset and pick up the handset; the speaker/headset is automatically disabled.
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CHAPTER 4 Teams Application C448HD and C450HD | Users & Administrator's Manual You're signed out and returned to the Sign in screen. - 48 -...
CHAPTER 5 Performing Basic Operations C448HD and C450HD | Users & Administrator's Manual Performing Basic Operations The documentation following shows basic phone operations. Making a Call Calls can be made in multiple ways, for example, you can press the digit keys on the phone’s dial pad to enter the phone number or URL. Alternatively, select a call listed in the Calls screen, and then touch . Touching in the Calls screen allows you to make a call by entering the name of a contact. - 49 -...
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CHAPTER 5 Performing Basic Operations C448HD and C450HD | Users & Administrator's Manual ● You need to touch the ‘To: Search for people' field to launch the soft keyboard. ● If you decide to nonetheless dial a destination number rather than the name of a contact, touch ?123 in the lower left corner of the screen.
CHAPTER 5 Performing Basic Operations C448HD and C450HD | Users & Administrator's Manual If after activating the speaker and starting to dial a number you decide you don’t want to make the call, touch the key (shown in the figure below); the speaker LED turns off. Redialing You can redial a number you previously dialled.
CHAPTER 5 Performing Basic Operations C448HD and C450HD | Users & Administrator's Manual ➢ To dial the service from the locked idle screen either: ■ Touch the EMERGENCY softkey shown in the preceding figure of the locked idle screen and then enter the emergency number. -OR- ■ Dial from the locked idle screen without needing to press the EMERGENCY key: Dial 911 . Press the speaker button. View the ‘Emergency call’ screen displaying the dialed emergency number. When the phone detects that 911 was requested, it automatically dials that number. Answering Calls Your phone indicates an incoming call by ringing and displaying this screen: - 52 -...
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CHAPTER 5 Performing Basic Operations C448HD and C450HD | Users & Administrator's Manual ➢ To answer: ■ Pick up the handset -OR- press the headset key (make sure the headset is connected to the phone) -OR- press the speaker key -OR- touch the Accept softkey (the speaker is automatically activated). When you answer, the screen displays this screen: - 53 -...
CHAPTER 5 Performing Basic Operations C448HD and C450HD | Users & Administrator's Manual Ending an Established Call You can end an established call. ➢ To end an established call: ■ Return the handset to the phone cradle if it was used to take the call -or- press the headset key -or- press the speaker key -or- touch the End softkey. Managing Calls The phone’s Calls screen displays missed, received and dialed calls. Note: Each device reports every call from | to that user to the server. All devices that a user signs into are synchronized with the server. The Calls screen is synchronized with server. In idle state, the touch screen displays the number of missed calls (if any). In the following example, 1 missed call is indicated. ➢ To manage calls: Touch the Calls softkey; in the list of historical calls displayed, Missed call indicates a call that was not answered. ...
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CHAPTER 5 Performing Basic Operations C448HD and C450HD | Users & Administrator's Manual Calls are listed from newest to oldest. - 55 -...
CHAPTER 5 Performing Basic Operations C448HD and C450HD | Users & Administrator's Manual Parking a Call This Microsoft Teams application feature allows a user to park a call, i.e., transfer a call to a "parking lot" for it to be picked up on any other phone in the enterprise by a party who must enter a code to retrieve it. ➢ To park a call: Put the call on hold and park it; you’ll receive a unique code from the Teams application. Communicate the code to another user who can then pick up the call on their device. The user on the other device touches the call park i con displayed in their device’s Calls screen. The user on the other device enters the code communicated to them and then touches the ‘Pick up’ button to pick up the call. Initiating a Teams Meeting A multi-party call conference based on the Teams server (remote conference) can be initiated from the phone. ➢ To initiate a conference: In the phone's idle screen, touch the ...
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CHAPTER 5 Performing Basic Operations C448HD and C450HD | Users & Administrator's Manual Touch the + icon. Touch the Title field. Use the soft keyboard that launches to enter a title for the meeting. Touch NEXT. Touch Add participants . - 57 -...
CHAPTER 5 Performing Basic Operations C448HD and C450HD | Users & Administrator's Manual Touch the ‘To’ field and then use the soft keyboard to enter the first letter of the name of the participant to add. If you're searching for Alex (for example), touch the letter A on the soft keyboard, then l, etc.; the name you’re searching for will be promoted to the top of the list of Corporate Directory entries displayed. The feature lets you quickly and easily navigate to any employee listed in the Corporate Directory. Viewing and Playing Voicemail Messages New messages will be in your voicemail box if ■ the envelope softkey displayed in the phone's screen indicates a number ■ a stutter dial tone is heard when you pick up the handset - 58 -...
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CHAPTER 5 Performing Basic Operations C448HD and C450HD | Users & Administrator's Manual ➢ To view a list of your voicemail messages: Press the voicemail key on the phone (indicated by the icon of an envelope) which will be illuminated if you have voicemail, or touch the Voicemail softkey in the idle screen. Scroll down to select from the list which message to Play , Call or Delete . - 59 -...
CHAPTER 5 Performing Basic Operations C448HD and C450HD | Users & Administrator's Manual Rejecting an Incoming Call, Sending it Directly to Voicemail You can send an incoming call directly to voicemail if time constraints (for example) prevent you from answering it. The caller hears a busy tone from your phone. ➢ To send an incoming call directly to voicemail: ■ When the phone rings to alert to a call, touch ; if you have voicemail, the call will go into voicemail; the Microsoft Teams server performs this functionality. Adjusting Volume The phone allows you to adjust ■ Ring volume ■...
CHAPTER 5 Performing Basic Operations C448HD and C450HD | Users & Administrator's Manual ➢ To adjust tones volume: Off-hook the phone (using handset, speaker or headset). Press the VOL or VOL key to adjust the volume. After adjusting, the volume bar disappears from the screen. Adjusting Handset Volume Handset volume can be adjusted to suit personal preference. The adjustment is performed during a call or when making a call. The newly adjusted level applies to all subsequent handset use. ➢ To adjust handset volume: During a call or when making a call, make sure the handset is off the cradle. Press the VOL or VOL key; the volume bar shown in the preceding figure is displayed on the screen. After adjusting, the volume bar disappears from the screen. Adjusting Speaker Volume The volume of the speaker can be adjusted to suit personal preference. It can only be adjusted ...
CHAPTER 5 Performing Basic Operations C448HD and C450HD | Users & Administrator's Manual Managing Meetings Meetings scheduled for today and for the next week can be viewed by touching the Meetings tab. ➢ To view the details of a meeting: Scroll down to select the meeting whose details you want to view and touch it. View in the right pane the details of the meeting. ➢ To join a meeting: ■ In the meeting you want to join (see the preceding figure), touch the See details link. - 62 -...
CHAPTER 5 Performing Basic Operations C448HD and C450HD | Users & Administrator's Manual Better Together over Bluetooth Read here about how to configure Better Together over Bluetooth with support for: ■ Pairing with the Teams PC Client ■ Lock/unlock synchronization ➢ To set up Bluetooth on the PC side: Enable Bluetooth on your PC. Install Teams PC Client on the PC. Sign in to the Teams PC Client with your account (it's necessary to sign in with the same accounts to both the Teams PC Client and to the device). ➢ To set up Bluetooth on the device side: Sign in to the Teams application with your account (it's necessary to sign in with the same ...
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CHAPTER 5 Performing Basic Operations C448HD and C450HD | Users & Administrator's Manual View the displayed available device to connect to. Pair the device with your PC. View on your PC a notification it gets to accept the connection: Accept the notification from PC. Check the device and make sure pairing was successful: - 64 -...
CHAPTER 6 Updating C450HD Phone Firmware Manually C448HD and C450HD | Users & Administrator's Manual Updating C450HD Phone Firmware Manually The phone’s firmware can be upgraded manually via Secure Shell (SSH) cryptographic network protocol. ➢ To manually upgrade firmware to firmware that does not exist in Microsoft Admin Portal: ● Make sure you have a command line tool that implements Secure Copy Protocol (SCP).
CHAPTER 7 Troubleshooting C448HD and C450HD | Users & Administrator's Manual Troubleshooting Users Read the following documentation if an issue with your phone occurs. Contact your network administrator if necessary. Network administrators can also use the documentation following as reference. Table 7-1: Troubleshooting Symptom Problem Corrective Procedure ■ Phone is off Phone is not Make sure the AC/DC power adapter is attached (no screen receiving firmly to the DC input on the rear of the phone. displays and power ■ Make sure the AC/DC power adapter is plugged into LEDs) the electrical outlet. ■ Make sure the electrical outlet is functional. ■ If using Power over Ethernet (PoE), contact your network administrator to check that the switch is powering the phone.
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CHAPTER 7 Troubleshooting C448HD and C450HD | Users & Administrator's Manual help debug Teams application issues and also for issues related to the device. ➢ To collect logs: Reproduce the issue Access Microsoft Admin Portal and under the Devices tab click the Diagnostics icon. Figure 7-1: Microsoft Teams Admin Portal - Diagnostics Click the Diagnostics icon Click Proceed ; the logs are uploaded to the server. - 67 -...
CHAPTER 7 Troubleshooting C448HD and C450HD | Users & Administrator's Manual Figure 7-2: Microsoft Teams Admin Portal – Logs Upload to Server Click the History tab. Figure 7-3: History - Download Click Download to download the logs. Remote Logging Remote Logging via Syslog provides the same log level as Device Diagnostics (performed via the Microsoft Admin Portal) with some additional information that may be relevant to device - 68 -...
CHAPTER 7 Troubleshooting C448HD and C450HD | Users & Administrator's Manual issues (not Teams application issues). Diagnostics via the Microsoft Admin Portal are saved to the device sdcard and collected after the event. Remote Logging via Syslog is different. The logs are collected in real time. ➢ To enable from the phone Remote Logging via Syslog: Log in to the phone as Administrator and go back. In the ‘Device administration’ screen, select Debugging . Select Remote logging . Configure the ‘Remote IP address’ and ‘Remote port’ and enable ‘Remote Logging’; the device starts sending logs to the Syslog server. Network administrators can also enable Syslog using Secure Shell (SSH) protocol. ➢...
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CHAPTER 7 Troubleshooting C448HD and C450HD | Users & Administrator's Manual Touch the Diagnostic Data option. Touch OK to confirm. Wait until the screen shown in the preceding figure disappears; the phone creates all necessary logs and copies them to the its SD Card / Logs folder. Get the logs using SCP notation as follows: scp -r admin@host_IP:/sdcard/logs/ - 70 -...
CHAPTER 7 Troubleshooting C448HD and C450HD | Users & Administrator's Manual ■ Following are the relevant logs (version and ID may be different to those shown here): ✔ dmesg.log ✔ dumpstate-TEAMS_1.3.16-undated.txt ✔ dumpstate_log-undated-2569.txt ✔ logcat.log After Administrator sign-in for which you need to know the administrator username and password admin and 1234 are the defaults), the phone is accessed by default via Secure Shell (SSH) cryptographic network protocol. SSH access allows network administrators more debugging capabilities. For example: ■ Pulling files from the phone sdcard (using the curl command) ■...
CHAPTER 7 Troubleshooting C448HD and C450HD | Users & Administrator's Manual ➢ To deactivate DSP recording using SSH protocol, type the following at the shell prompt: setprop ac.dr_voice_enable false DSP recording can be deactivated on the fly without requiring the network administrator to reset the phone.
CHAPTER 7 Troubleshooting C448HD and C450HD | Users & Administrator's Manual ➢ To get the Microsoft Teams version using SSH protocol, type the following at the shell prompt: getprop ro.teams.version ➢ To get the Microsoft Company Portal version using SSH protocol, type the following at the shell prompt: getprop ro.portal.version ➢...
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CHAPTER 7 Troubleshooting C448HD and C450HD | Users & Administrator's Manual Log in to the phone as Administrator and then go back. Touch the Debugging option under Admin. Touch Company Portal login . Touch the icon located in the uppermost right corner of the screen, shown in the next figure: Touch Settings . Touch the Copy Logs key. Company portal logs are copied to: sdcard/Android/data/com.microsoft.windowsintune.companyportal/files/ To pull the logs, use the ssh: scp -r admin@hosp_ ip:/sdcard/android/data/com.microsoft.windowsintune.companyportal/files/ Files are quite heavy so you may need to pull them one by one. - 75 -...
CHAPTER 7 Troubleshooting C448HD and C450HD | Users & Administrator's Manual Getting Audio Debug Recording Logs Network administrators can opt to get Audio Debug Recording logs from the phone screen. The purpose of these logs is for issues related to media. ➢ To enable Audio Debug Recording logs: Log in as Administrator. Press the MENU hard key and then scroll down in the Settings screen to Debug . Touch Debug and then scroll down to Debug Recording . Configure the remote IP address and port. Enable ‘Voice record’. Start Wireshark on your PC to capture the Audio traffic. Collecting Media Logs (*.blog) from the Phone Network administrators can collect Media Logs (*.blog) from the phone.
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