GNU GPL Information Yealink SIP-T42G IP phone firmware contains third-party software under the GNU General Public License (GPL). Yealink uses software under the specific terms of the GPL. Please refer to the GPL for the exact terms and conditions of the license.
About This Guide Thank you for choosing the SIP-T42G IP phone, an ultra-elegant Gigabit IP phone which is exquisitely designed to provide business telephony features, such as Call Hold, Call Transfer, Busy Lamp Field, Multicast Paging and Conference over an IP network.
Call History Management ..........................31 System Customizations ............................. 33 Hotline ................................34 Basic Call Features ....................35 Placing Calls ..............................35 Answering Calls ..............................36 Ending Calls............................... 37 Redialing Numbers ............................38 Auto Answer ..............................39 User Guide for SIP-T42G IP Phone...
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Call Issues ................................. 54 Headset & Handset Issues ..........................55 Regulatory Notices ....................56 Service Agreements ............................56 Limitations of Liability ............................56 Safety Instructions ............................56 Appendix A - Time Zones ..................58 User Guide for SIP-T42G IP Phone...
Overview This chapter provides the overview of the SIP-T42G IP phone. Hardware Compenent Instructions The main hardware components of the SIP-T42G IP phone are the LCD screen and the keypad. User Guide for SIP-T42G IP Phone...
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Hardware component instructions of the SIP-T42G IP phone are: Item Description Shows information about calls, messages, soft keys, time, date and other relevant data: • Call information—caller ID, call duration • Icons (for example, LCD Screen • Missed call text or second incoming caller information •...
Secures the handset in the handset cradle when the IP phone is mounted Hookswitch Tab vertically. For more information on how to adjust the hookswitch tab, refer Yealink Wall Mount Quick Installation Guide for Yealink IP Phones. Picking up the handset from the handset cradle, the hookswitch bounces Hookswitch and the phone connects to the line, laying the handset down on the handset cradle, the phone disconnects from the line.
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Phone Lock Call Forward/Forwarded Calls Missed Calls Received Calls Placed Calls Recording box is full A call cannot be recorded Recording starts successfully Recording cannot be started Recording cannot be stopped The contact icon User Guide for SIP-T42G IP Phone...
The line is inactive. Line key LED (configured as a BLF key or BLF List key) LED Status Description Solid green The monitored user is idle. Fast flashing red (200ms) The monitored user receives an incoming call. User Guide for SIP-T42G IP Phone...
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The monitored user’s conversation is placed on hold (This LED status requires server support). Slow flashing red (1s) The call is parked against the monitored user’s phone number. The monitored user does not exist. User Guide for SIP-T42G IP Phone...
Getting Started This chapter provides the following basic installation instructions and information for obtaining the best performance with the SIP-T42G IP phone. Packaging Contents The following components are included in your SIP-T42G IP phone package: • SIP-T42G IP Phone •...
Check the list before installation. If you find anything missing, contact your system administrator. Phone Installation This section introduces how to install the phone: Attach the stand Connect the handset and optional headset Connect the network and power User Guide for SIP-T42G IP Phone...
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Connect the included or a standard Ethernet cable between the Internet port on the phone and the one on the wall or switch device port. User Guide for SIP-T42G IP Phone...
The IP phone should be used with Yealink original power adapter (5V/1.2A) only. The use of the third-party power adapter may cause the damage to the phone. Power over Ethernet With the included or a regular Ethernet cable, the SIP-T42G IP phone can be powered from a PoE-compliant switch or hub. To connect the PoE: Connect the Ethernet cable between the Internet port on the phone and an available port on the in-line power switch.
Keypad on the phone provides different characters (or numbers) when using the 2aB, abc, Abc, ABC or 123 input mode. You can change the following input modes to enter data and edit fields on your phone. When your phone User Guide for SIP-T42G IP Phone...
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8tuvTUV tuv8ùúûü tuv8ùúûü TUV8ÙÚÛ Ü 9wxyzWX YZ wxyz9ýÞ wxyz9ýÞ WXYZ9ÝÞ space space space *.,’?!\-()@/: *.,’?!\-()@/: *.,’?!\-()@/: *.,’?!\-()@/: .*:/@[] _;+&%=< _;+&%=< _;+&%=< _;+&%=< > > > > £$¥¤[]{} £$¥¤[]{} £$¥¤[]{} £$¥¤[]{} ~^¡¿§#”| ~^¡¿§#”| ~^¡¿§#”| ~^¡¿§#”| User Guide for SIP-T42G IP Phone...
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.*:/@[]. Delete text you entered. Press to position the cursor to the right of the text you want to delete, and then press the Delete soft key to delete one character at a time. User Guide for SIP-T42G IP Phone...
Customizing Your Phone You can customize your SIP-T42G IP phone by personally configuring certain settings, for example, time & date and ring tones. You can add contacts to the phone’s local directory manually or from call history. You can also personalize different ring tones for different callers.
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There are 7 available date formats. For example, for the date format “WWW DD MMM”, “WWW” represents the abbreviation of the weekday, “DD” represents the two-digit day, and “MMM” represents the first three letters of the month. User Guide for SIP-T42G IP Phone...
When the phone is idle: Press to adjust the ringer volume. When the phone is ringing: Press to adjust the ringer volume. You can also press to adjust the ringer volume when selecting a ring tone. User Guide for SIP-T42G IP Phone...
Enter soft key. Press to select the desired ring tone. If Common is selected, this account will use the ring tone selected for the phone. User Guide for SIP-T42G IP Phone...
48 groups in your phone’s local directory. You can add new groups and contacts, edit, delete or search for a contact, or simply dial a contact number from the local directory. Adding Groups To add a group to the local directory: User Guide for SIP-T42G IP Phone...
Local Directory enabled in the directory by default. If Local Directory is removed from the directory, press Menu->Directory->Local Directory to enter the local directory. Select the desired contact group. Press the Option soft key and then select Detail. User Guide for SIP-T42G IP Phone...
You can also delete all groups by pressing the Option soft key, and then select Delete All. Adding Contacts You can add contacts to the local directory in one of the following ways: • Manually • From call history • From a remote phone book User Guide for SIP-T42G IP Phone...
Adding Contacts from Call History To add a contact to the local directory from call history: Press the History soft key. Press to highlight the desired entry. Press the Option soft key, and then select Add to Contacts. User Guide for SIP-T42G IP Phone...
>Directory->Local Directory to enter the local directory. Select the desired contact group and then press the Enter soft key. If the contact is not in any group, select All Contacts and then press the Enter soft key. User Guide for SIP-T42G IP Phone...
The IP phone enters the local directory directly as there is only Local Directory enabled in the directory by default. If Local Directory is removed from the directory, press Menu- >Directory->Local Directory to enter the local directory. Press the Search soft key. User Guide for SIP-T42G IP Phone...
Incoming calls from blacklist directory contacts will be rejected automatically. To add a contact to the blacklist directory manually: Press Menu->Directory->Blacklist. Press the Add soft key. Enter the name and the office, mobile or other numbers in the corresponding fields. User Guide for SIP-T42G IP Phone...
Call History Management The SIP-T42G IP phone maintains call history lists of Placed Calls, Received Calls, Missed Calls and Forwarded Calls. Each call history list supports up to 100 entries. You can view call history, place a call, add a contact or delete an entry from the call history list.
Press the Option soft key, and then select Add to Contacts (or Add to Blacklist). Enter the desired values in the corresponding fields. Press the Save soft key to accept the change. User Guide for SIP-T42G IP Phone...
Press the line key or the Answer soft key to answer an incoming call. The call will be connected to your headset automatically. Enter the desired number and then press the Send soft key, the phone will then place a call using the headset automatically. User Guide for SIP-T42G IP Phone...
Enter the delay time (in seconds) in the Hotline Delay field. The valid values range from 0 to 10 (seconds) and the default value is —4. Press the Save soft key to accept the change or the Back soft key to cancel. User Guide for SIP-T42G IP Phone...
Basic Call Features The SIP-T42G IP phone is designed to be easily used like a regular phone on a public switched telephone network (PSTN). You can place calls, answer calls, transfer a call to someone else, or conduct a conference call.
12 calls at one time. To place multiple calls: You can have more than one call on your SIP-T42G IP phone. To place a new call during an active call, do one of the following: •...
The incoming call is answered and the original call is placed on hold. • Press to access the new call. Press or the Answer soft key. The incoming call is answered and the original call is placed on hold. User Guide for SIP-T42G IP Phone...
The LCD screen displays the placed calls list. You can also enter a few continuous characters of the contact name or continuous numbers of the contact number (office, mobile or other number) to search from placed calls list. User Guide for SIP-T42G IP Phone...
To configure auto redial via phone user interface: Press Menu->Features->Auto Redial. Press , or the Switch soft key to select Enabled from the Auto Redial field. User Guide for SIP-T42G IP Phone...
Call mute applies to all modes (Handset, Headset and Speakerphone). To mute a call: Press during an active call. The LCD screen indicates that the call is now muted. The mute key LED illuminates solid red when the call is muted. User Guide for SIP-T42G IP Phone...
Press the corresponding line key to retrieve the call. If more than one call is placed on hold, a numbered prompt appears on the LCD screen, for example “2/3”, indicating that this is the second call out of three calls. User Guide for SIP-T42G IP Phone...
Always Forward: Incoming calls are immediately forwarded. • Busy Forward: Incoming calls are immediately forwarded if the phone is busy. • No Answer Forward: Incoming calls are forwarded if not answered after a period of time. User Guide for SIP-T42G IP Phone...
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3) (Optional.) Enter the busy forward on code or off code respectively in the On Code or Off Code field. c) If you select No Answer Forward: 1) Press , or the Switch soft key to select Enabled from the No Answer Forward field. User Guide for SIP-T42G IP Phone...
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3) (Optional.) Enter the always forward on code or off code respectively in the On Code or Off Code field. You can also enable always forward for all accounts. After always forward was enabled for a specific account, do the following: User Guide for SIP-T42G IP Phone...
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3) Press the OK soft key to accept the change or the Cancel soft key to cancel. c) If you select No Answer Forward, you can enable it for a specific account. 1) Press , or the Switch soft key to select Enabled from the No Answer Forward field. User Guide for SIP-T42G IP Phone...
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Enter soft key. Press , or the Switch soft key to select Disabled to disable the call forward. Press the Save soft key to accept the change. User Guide for SIP-T42G IP Phone...
Then the call is connected to the number to which you are transferring. To perform a semi-attended transfer: Press the Tran soft key during a call. Do one of the following: • Enter the number you want to transfer the call to. User Guide for SIP-T42G IP Phone...
To configure call waiting via phone user interface: Press Menu->Features->Call Waiting. Press , or the Switch soft key to select Enabled from the Call Waiting field. User Guide for SIP-T42G IP Phone...
You can create a conference with other two parties using the phone’s local conference. You can create a conference between an active call and a call on hold by pressing the Conference soft key. The SIP-T42G IP phone also supports network conference.
Call Pickup You can use call pickup to answer someone else’s incoming call on your phone. The SIP-T42G IP phone supports directed call pickup and group call pickup. Directed call pickup is used for picking up a call that is ringing at a target phone number.
, or the Switch soft key to select the desired line from the Account ID field. Press to scroll to the Anony Rejection field. Press , or the Switch soft key to select Enabled from the Anony Rejection field. User Guide for SIP-T42G IP Phone...
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(Optional.) Enter the anonymous call rejection on code and off code respectively in the Reject On Code and Reject Off Code field. Press the Save soft key to accept the change or the Back soft key to cancel. User Guide for SIP-T42G IP Phone...
Voice Mail You can leave voice mails for someone else using the SIP-T42G IP phone. You can also listen to voice mails that are stored in a voice mailbox. When receiving a new voice mail, the phone will play a warning tone. The power indicator LED will slow flash red, and the LCD screen will prompt “n New Voice Mail(s)”...
Message Waiting Indicator (MWI) The SIP-T42G IP phone supports MWI feature when receiving a new voice message. If someone leaves you a voice mail, you will receive a message waiting indicator. MWI will be indicated in three ways: a warning tone, an indicator message (including a voice mail icon) on the LCD screen, and the power indicator LED slow flashes red.
Troubleshooting This chapter provides general troubleshooting information to help you solve the problems you might encounter when using your SIP-T42G IP phone. General Issues How can I find the basic information of the IP phone? Press the OK key when the IP phone is idle to check the basic information of the IP phone, such as IP address and firmware version.
Why does the phone play a tone when there is a call on hold? When there is a call on hold, the phone will play a hold tone every 30 seconds. Call hold tone is enabled by default. User Guide for SIP-T42G IP Phone...
Contact your Yealink Authorized Reseller for information on service agreements applicable to your product. Limitations of Liability TO THE FULL EXTENT ALLOWED BY LAW, YEALINK EXCLUDES FOR ITSELF AND ITS SUPPLIERS ANY LIABILITY, WHETHER BASED IN CONTRACT OR TORT (INCLUDING NEGLIGENCE), FOR INCIDENTAL, CONSEQUENTIAL,...
Use a piece of soft, dry and anti-static cloth to clean the device. • Keep the power plug clean and dry. Using a dirty or wet power plug may lead to electric shock or other perils. User Guide for SIP-T42G IP Phone...
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