Grandstream Networks DP750 Administration Manual
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Grandstream Networks DP750 Administration Manual

Dect cordless ip phones
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Grandstream Networks, Inc.
DP750/DP720
DECT Cordless IP Phones
Administration Guide

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  • Page 1 Grandstream Networks, Inc. DP750/DP720 DECT Cordless IP Phones Administration Guide...
  • Page 2 Grandstream Networks, Inc. is not permitted. The latest electronic version of this guide is available for download here: http://www.grandstream.com/support Grandstream is a registered trademark and Grandstream logo is trademark of Grandstream Networks, Inc. in the United States, Europe and other countries. CAUTION Changes or modifications to this product not expressly approved by Grandstream, or operation of this product in any way other than as detailed by this guide, could void your manufacturer warranty.

  • Page 3: Gnu Gpl Information

    GNU GPL INFORMATION DP750 firmware contains third-party software licensed under the GNU General Public License (GPL). Grandstream uses software under the specific terms of the GPL. Please see the GNU General Public License (GPL) for the exact terms and conditions of the license.

  • Page 4: Table Of Contents

    Firmware Version 1.0.0.16 ........................12 GUI INTERFACE EXAMPLES ..................13 WELCOME ........................14 PRODUCT OVERVIEW ....................15 Feature Highlights ..........................15 DP750 Technical Specifications ......................16 DP720 Technical Specifications ......................17 GETTING STARTED ..................... 19 Equipment Packaging .......................... 19 Connecting DP750 ..........................20 Connecting via AC power ......................
  • Page 5 CONFIGURATION GUIDE .................... 29 Obtain DP750 Base Station IP Address via paired DP720 ..............29 Configuration via Web Browser ......................30 Accessing the Web UI ........................30 Web GUI Languages ........................30 Icons Bar Shortcut ........................31 Saving the Configuration Changes ....................31 Web UI Access Level Management .....................
  • Page 6 DP750/DP720 Provisioning ......................... 85 Configuration File Download ......................85 Handset Provisioning ........................85 RESTORE FACTORY DEFAULT SETTINGS ............... 87 Resetting the DP750 Base Station ...................... 87 Via Reset Button ........................... 87 Via Web GUI ..........................87 Resetting the DP720 Handset ......................87 EXPERIENCING DP750/720 ..................
  • Page 7 Table of Tables Table 1: DP750 Features at a Glance ......................15 Table 2: DP720 Features at a Glance ......................15 Table 3: DP750 Technical Specifications ....................16 Table 4: DP720 Technical Specifications ....................17 Table 5: Equipment Packaging ........................19 Table 6: DP750 LED Patterns ........................
  • Page 8 Figure 6: Setting up the charge station ....................... 22 Figure 7: Handset Keys Description ......................23 Figure 8: DP720 Menu Structure ........................ 26 Figure 9: DP750 Web GUI Language ......................30 Figure 10: Icons Bar Shortcut ........................31 Figure 11: Icons Bar Description ......................... 31 Figure 12: User Level Password .........................

  • Page 9: Document Purpose

    DOCUMENT PURPOSE This document describes how to configure DP750 Base Station features via DP720 Handset LCD menu and Web GUI menu. The intended audiences of this document are VOIP administrators. To learn the basic functions of DP750/DP720, please visit http://www.grandstream.com/support to download the latest “DP750/DP720 User Guide”.

  • Page 10: Change Log

     Added DP750 the ability to send SIP INFO and RFC2833 at same time. [Send DTMF]  Added force reboot button to web UI to force reboot DP750 in factory reset page under maintenance section. [Force Reboot] Firmware Version 1.0.2.16 ...

  • Page 11: Firmware Version 1.0.1.14

    Added "Off-Hook Auto-Dial " option on DECT -> General Settings. [Off-hook Auto-dial]  Added support to upload handset firmware from web UI. [Handset Firmware]  Added delete button for uploaded handset firmware via web UI. [Handset Firmware] P a g e DP750/DP720 Administration Guide...

  • Page 12: Firmware Version 1.0.0.16

    Firmware Version 1.0.0.16  This is the initial version for DP750/DP720. P a g e DP750/DP720 Administration Guide...

  • Page 13: Gui Interface Examples

    GUI INTERFACE EXAMPLES http://www.grandstream.com/sites/default/files/Resources/dp750_web_gui.zip Screenshot of Login Page Screenshots of Status Pages Screenshots of Profiles Pages Screenshots of DECT Pages Screenshots of Settings Pages Screenshots of Maintenance Pages Screenshots of Phonebook Pages P a g e DP750/DP720 Administration Guide...

  • Page 14: Welcome

    Thank you for purchasing Grandstream DP750 DECT IP Base Station and DP720 DECT Handset. The DP750 is a powerful DECT VoIP base station that pairs with up to 5 of Grandstream’s DP720 DECT handsets to offer mobility to business and residential users. It supports a range of 300 meters outdoors and 50 meters indoors to give users the freedom to move around their work or home space, delivering efficient flexibility.

  • Page 15: Product Overview

    PRODUCT OVERVIEW Feature Highlights The following tables contain the major features of the DP750 / DP720:  5 handsets. DP750  10 accounts.  10 Lines.  5 Concurrent calls.  PoE power support.  300m range outdoor / 50m range indoor.

  • Page 16: Dp750 Technical Specifications

    DP750 Technical Specifications The following table resumes all the technical specifications including the protocols / standards supported, voice codecs, telephony features, languages and upgrade/provisioning settings for the Base station DP750. Table 3: DP750 Technical Specifications Air Interface Telephony standards: DECT Frequency bands: ...

  • Page 17: Dp720 Technical Specifications

    23 keys including 2 softkeys, 5 navigation / menu keys, 4 dedicated function keys for SEND, POWER/END, SPEAKERPHONE, MUTE 3-color MWI LED 3.5mm headset jack Removable belt clip Micro-USB port for alternative charging and non-battery operation Protocols/Standards Hearing Aid Compatibility (HAC) compliant P a g e DP750/DP720 Administration Guide...
  • Page 18 G.722 codec for HD audio and G.726 codec for narrow band audio (G.711μ/a-law, Voice Codecs G.723.1, G.729A/B, iLBC and OPUS are supported via companion DECT base station DP750), AEC, AGC, Ambient noise reduction Hold, transfer, forward, 3-way conference, call park, call pickup, downloadable Telephony Features...

  • Page 19: Getting Started

    GETTING STARTED This chapter provides basic installation instructions including the list of the packaging contents and also information for obtaining best performance with the DP720 IP DECT phone and its base station DP750. Equipment Packaging Table 5: Equipment Packaging DP720 DP750 ...

  • Page 20: Connecting Dp750

    Connecting DP750 To setup the DP750 Base Station, please follow the steps below: Reset Button Power Input Network Socket Radio / Page Button Figure 3: DP750 Back View You have two options for power and network connection of the base station: AC power or Power over...

  • Page 21: Setting Up Dp720 Handset

    1. Connect the DC plug on the power adapter to the micro-USB connector on the charge station. 2. Connect the other end of the power adapter into an electrical power outlet. 3. After setting up the handset and the charge station, place the handset in the charge station. P a g e DP750/DP720 Administration Guide...

  • Page 22: Dp750 Led Patterns

    Figure 6: Setting up the charge station DP750 LED Patterns The DP750 has 5 LED lights on it. Please refer to the following table for the meaning of each light. Table 6: DP750 LED Patterns Status LED Light Indicates Power ON/OFF.

  • Page 23: Table 7: Keypad Keys Description

    For + sign, press and hold key 0. Hands-free / Speaker Switches between Handset and Hands-free / Speaker modes. Mute key Activates or Deactivates the Mute feature. Microphone Picks up audio earpiece and hands-free calls. P a g e DP750/DP720 Administration Guide...

  • Page 24: Dp720 Icons Description

    Not in range Signal status Signal very low Signal status Signal low Signal status Signal normal Signal status Signal good Signal status Signal very good Microphone MUTE Status OFF - Not muted ON – Muted P a g e DP750/DP720 Administration Guide...
  • Page 25 OFF - Keypad unlock ON - Keypad locked Incoming Call notification Outgoing Call notification Missed Call notification Incoming Call notification Outgoing Call notification Voicemail notification Contacts Call History Voice Mail Settings Call Settings Status P a g e DP750/DP720 Administration Guide...

  • Page 26: Dp720 Handset Menu

    LCD Diagnostic System Monitoring Do Not Disturb Call Waiting Call Forward Speed Dial Outgoing Default Line Lines Model(RF) Status Firmware(BS)(HS) IP Address Subnet Mask Gateway MAC Address IPEI Figure 8: DP720 Menu Structure P a g e DP750/DP720 Administration Guide...
  • Page 27  Shared: Shared contacts are the contacts shared between the handsets subscribed to the DP750 base station. You can add, edit, delete, edit and call all the entries in shared contacts as well. Display the call history: Missed Calls, Accepted Calls, Outgoing Calls or All Call History Calls.
  • Page 28 Assign contact numbers as speed dial.  Outgoing Default Line Select outgoing default line.  Lines Display the line status.  Status Status Display handset status (Model RF, Firmware, IP address, Subnet mask, Gateway, MAC Address, IPEI, …) P a g e DP750/DP720 Administration Guide...

  • Page 29: Configuration Guide

    LCD Configuration Menu using the paired DP720 keypad. Via Web GUI you can configure all the functions supported by the DP750; while via paired DP720, you can access limited configuration and need the base station PIN code for some options.

  • Page 30: Configuration Via Web Browser

    1. Connect the computer to the same network as DP750. 2. Make sure the DP750 is booted up. 3. You may check DP750 IP address via a subscribed DP720 on its LCD menu at: Status > IP Address. Please see Obtain DP750 Base station IP Address via paired DP720 4.

  • Page 31: Icons Bar Shortcut

    If using the Save button, after making all the changes, click on the Apply button on top of the page to submit. After submitting the changes in all the Web GUI pages, reboot DP750 to have the changes take effect if necessary;...

  • Page 32: Changing User Level Password

    Changing User Level Password 1. Access the Web GUI of your DP750 using the admin’s username and password. (Default username and password is: admin/admin). 2. Press Login to access your settings. 3. Go to Maintenance > Web/SSH Access. 4. In Web/SSH Access page, locate User Password section: a.

  • Page 33: Changing Http / Https Web Access Port

    Note: DO NOT USE same password for both user and admin accounts. Changing HTTP / HTTPS Web Access Port 1. Access the Web GUI of your DP750 using the admin’s username and password. (Default username and password is: admin/admin). 2. Press Login to access your settings.

  • Page 34: Web Configuration Definitions

    Figure 14: Web Access Port Web Configuration Definitions This section describes the options in the DP750 Web UI. As mentioned, you can log in as an administrator or an end user.  Status: Display system info, network status, base and repeater status, account status, and line options.
  • Page 35 • Battery icon : Illustrates battery status for each Handset; it can be either: Fully charged Not fully charged Low, needs to be charged or replaced Charging P a g e DP750/DP720 Administration Guide...
  • Page 36 SIP User ID Displays list of SIP user id registered. Shows DND (Do Not Disturb) feature status (per SIP account). Indicates destination to which all incoming calls will be forwarded (per SIP Forward account). P a g e DP750/DP720 Administration Guide...
  • Page 37 Indicates type of NAT for each Profile. (Based on STUN protocol.) NAT Traversal System Info Product Model Displays product model info. Default is DP750. Part Number Shows product part number. Example: 9610003814A (last 2 digits show HW version, in this example 14A for HW version 1.4A) ...

  • Page 38: Profiles Page Definitions

    Outbound Proxy Specifies IP address or domain name of outbound proxy, media gateway or session border controller. Used by DP750 for firewall or NAT penetration in different network environments. If symmetric NAT is detected, STUN will not work and only outbound proxy can correct the problem.
  • Page 39 This will unregister all SIP accounts under concerned Profile. Default is No. Adds “Authentication” header with blank “nonce” attribute in the initial SIP Add Auth Header on Initial REGISTER REGISTER request. Default is No. P a g e DP750/DP720 Administration Guide...
  • Page 40 T2. Default is 0.5 seconds. SIP T2 Timeout Identifies maximum retransmission interval for non-INVITE requests and INVITE responses. Retransmitting and doubling of T1 continues until it reaches T2 value. Default is 4 seconds. P a g e DP750/DP720 Administration Guide...
  • Page 41 Adds “PPI” header if special feature is set to “Default”, and not “CBCOM”. P-Preferred-Identity Header Ignore Alert-Info This option is used to configure default ringtone. If set to “Yes”, configured default Header ringtone will be played. The default setting is No. P a g e DP750/DP720 Administration Guide...
  • Page 42 SIP from Proxy Only match SIP server address of the account, the call will be rejected. Default is No. Authenticate Challenges the incoming INVITE for authentication with SIP 401 Unauthorized Incoming INVITE message. Default is No. P a g e DP750/DP720 Administration Guide...
  • Page 43 Frame Size Specifies iLBC packet frame size (20ms or 30ms). Default is 20ms. iLBC Payload type Determines payload type for iLBC. The valid range is between 96 and 127. Default is 97. P a g e DP750/DP720 Administration Guide...
  • Page 44 Default is No. This feature is NOT designed to work with and should NOT be enabled for direct IP-to-IP calling. Dial Plan Prefix Adds specified prefix to dialed number. Dial Plan Dial Plan Rules: P a g e DP750/DP720 Administration Guide...
  • Page 45 • \+x+ - allow dialing any digit with leading + sign; example: +16175669300 Note: In some cases, user wishes to dial strings such as *123 to activate voice mail or other application provided by service provider. In this case * should be P a g e DP750/DP720 Administration Guide...
  • Page 46 Features codes on the base. Otherwise, ITSP feature codes can be used. Default is Yes. Disable Call Waiting Disables displaying caller ID when receiving a second incoming call. Default is No. Caller ID P a g e DP750/DP720 Administration Guide...

  • Page 47: Dect Page Definitions

    DECT Page Definitions Table 11: DECT Page Definitions General Settings Base Station Name Displays the name of the base station. Default is DP750[last 6 digits of MAC address]. Admin PIN Code Configures admin PIN code for authentication. Default is 0000. Enable Repeater Enables the base station repeater mode to associate with available repeaters.
  • Page 48  Parallel mode: all phones ring concurrently; after one phone answers, the remaining available phones can make new calls  Non-Hunting Group: an account will be assigned to a single specific handset. P a g e DP750/DP720 Administration Guide...

  • Page 49: Settings

    Table 12: Settings Page Definitions Network Settings – Basic Settings IP Address Mode Selects IP address mode (DHCP, Static IP or PPPoE) for DP750 Base Station. Preferred DNS Specifies preferred DNS server to use when DHCP, PPPoE or Static mode is set.
  • Page 50 Value for SIP signaling Layer 2 QoS Sets layer 2 QoS 802.1p priority value for RTP media. 802.1p Priority Default is 0. Value for RTP media STUN Settings Use STUN Enables STUN. Default is No. P a g e DP750/DP720 Administration Guide...
  • Page 51 "ping hole" on the NAT router open. Default is 20 seconds. UPnP Discovery Enable UPnP Enables/disables UPnP discovery feature. Default is Yes. After enabled, if you have a PC in the same network of DP750, Settings discovery you can browse it directly in your Network. Double click the device will open its web GUI in your default browser.

  • Page 52: Maintenance Page Definitions

     No: Base station will only do upgrade once at boot up. Upgrade  Check every X minutes: User needs to specify a period in minutes.  Check every day: User needs to specify “Hour of the day (0-23)”. P a g e DP750/DP720 Administration Guide...
  • Page 53 Sets IP address or domain name of configuration server. The server hosts a copy Config Server Path of the configuration file to be installed on the DP750. Default is fm.grandstream.com/gs. Note: Make sure to not prepend address with "http://" or any other protocol.
  • Page 54 Option 43 and options 66 and 43. Option 66 to Note: If DHCP Option 66 is enabled, the DP750 will attempt downloading the Override Server firmware file from the server URL provided by DHCP, even though Config Server Path is left blank.
  • Page 55 Enters password to authenticate to ACS. ACS Password Periodic Inform Sends periodic inform packets to ACS. Default is No Enable Configures to sends periodic “Inform” packets to ACS based on specified interval. Periodic Inform Interval P a g e DP750/DP720 Administration Guide...
  • Page 56 It should match RADIUS configuration. Secondary RADIUS Sets IP or FQDN of the secondary RADIUS server. In case primary radius server Server becomes unusable, the secondary will take role and manage credit resources in the network. P a g e DP750/DP720 Administration Guide...
  • Page 57 NONE). Syslog messages are sent based on the following events: 1. product model/version on boot up (INFO level) 2. NAT related info (INFO level) 3. sent or received SIP message (DEBUG level) P a g e DP750/DP720 Administration Guide...
  • Page 58 Defines whether packet capture file contains RTP or not. Default setting is No. Factory Reset Force Reboot Kills active processes and forces the reboot of DP750 base station. Configure Web UI Reset Type Specifies the type of reset to perform via the Web UI reset button:...
  • Page 59 Includes a comment with information regarding the use of the device when the problem occurred. As an alternative to the device submitting the files, you may download the files below and submit them to Grandstream manually. P a g e DP750/DP720 Administration Guide...

  • Page 60: Phonebook

    Global Phonebook XML Settings Global Phonebook Selects type of global phonebook to use. Type If set to XML, DP750 will use the configuration in Global Phonebook XML Settings page. If set to LDAP, DP750 will use configuration in Global Phonebook LDAP Settings page.
  • Page 61 Specifies which LDAP attribute represent the contact’s home number. Must be in Home Number Attribute number attributes on LDAP server. Specifies which LDAP attribute represent the contact’s mobile number. Must be in Mobile Number number attributes on LDAP server. Attribute P a g e DP750/DP720 Administration Guide...

  • Page 62: Change Base Station Admin Pin Code

    Phonebook Change Base Station Admin PIN code For security reasons, advanced settings in DP750 base station cannot be accessed from DP720 handset except if Admin PIN code is provided. By default, Admin PIN code is 0000. We strongly recommend changing your Admin PIN code following below steps: 1.

  • Page 63: Register Dp720 Handset To Dp750 Base Station

    Register DP720 Handset to DP750 Base Station 1. On DP750 Base station, press and hold the Radio/Page button for 7 seconds until the Radio icon starts blinking to start Subscription process. Or Access web UI, and press Subscribe icon Open Subscription.

  • Page 64: Using Dp720 With Multiple Dp750 Base Stations

    Using DP720 with Multiple DP750 Base Stations DP720 is able to be registered to up four different DP750 base stations. Registering DP720 to an additional DP750 base station Considering DP720 is previously registered to an initial base station, please follow below steps to register a handset to an additional base station: 1.

  • Page 65: Unregister The Dp720

    Locating a DP720 Handset from DP750 Base station In some situations, you may have a DP720 handset incorrectly positioned and you don’t know its current location. You can locate a DP720 handset from his registered DP750 base station using below steps: Locate via DP750 Web UI 1.

  • Page 66: Locate Via Dp750 Base Station

    Register a SIP Account DP750 supports up to 10 SIP accounts, 5 handsets. Each Handset can be configured up to 10 accounts. Please be aware that line settings will be affected by DID settings (hunting group settings) in “DECT - SIP Account Settings”.

  • Page 67: Figure 20: Sip Settings

    For security reasons, the password will field will be shown as empty. e. Name: Any name to identify this specific user. Profile: Select the corresponding Profile ID (1/2/3/4). g. HS Mode: Assign the account to specific handset (HS1, HS2…) or hunting group mode. P a g e DP750/DP720 Administration Guide...

  • Page 68: Multiple Lines And Hunting Groups

    Figure 22: Account Status Multiple Lines and Hunting Groups The DP750 Base Station has the ability to assign 10 lines to each registered DP720 handset (Up to 5 Handsets) to receive/make calls. When a handset has many lines configured, users can select specific line for outgoing calls using Outgoing Default Line feature.

  • Page 69: Handset Line Settings

    Handset Line Settings This section will describe how to assign lines for each DP720 Handset for making calls. 1. Access the Web GUI of your DP750 using the admin’s username and password. (Default username and password is: admin/admin). 2. Press Login to access your settings.

  • Page 70: Outgoing Default Line

    > Outgoing Default Line, see next screenshot Hunting Groups DP750 supports 3 types of hunting groups as described below: In the examples below, we consider that all handsets are in same hunting group and only the type of hunting group differs.
  • Page 71 HS3 and etc. Incoming Call No Answer No Answer No Answer No Answer HS 2 HS 4 HS 1 Available Available Available Available Available P a g e DP750/DP720 Administration Guide...
  • Page 72 This section will describe how to configure hunting groups for incoming calls: Below steps are considering that SIP accounts were previously registered. 1. Access the Web GUI of your DP750 using the admin’s username and password. (Default username and password is: admin/admin).

  • Page 73: Configuration Via Keypad

    Figure 26: Hunting Group Status Configuration via Keypad To configure the LCD menu using DP720’s keypad, follow the instructions below:  Register the DP720 to DP750. Please see Register DP720 Handset to DP750 Base Station;  Enter/Confirm/ selection: Press the left softkey, right softkey, on-hook key or OK/Select key to enter the selected option, back to last layer or exit;...

  • Page 74: Call Features

    DP720 Handset Menu Structure for more details. Call Features The DP750/DP720 supports traditional and advanced telephony features including caller ID, caller ID with caller Name, call forward and etc. Table 15: Call Features Block Caller ID (for all subsequent calls) ...

  • Page 75: Dp750 Phonebook Management

    Private phonebook allows you to manage your contacts on each registered handset; each handset can have his own private phonebook with his own contacts. DP750 supports up to 5 private phonebooks. A private phonebook can be assigned to one or more handsets registered to the base.

  • Page 76: Figure 27: Private Phonebook Settings

    1. Access the Web GUI of your DP750 using the admin’s username and password. (Default username and password is: admin/admin). 2. Press Login to access your settings and go to Phonebook > Private Phonebook Settings. Figure 27: Private Phonebook Settings 3.

  • Page 77: Global Phonebook

    XML or via LDAP. Follow steps below to upload your shared phonebook: Global Phonebook via XML 1. Access the Web GUI of your DP750 using the admin’s username and password. (Default username and password is: admin/admin).

  • Page 78: Figure 30: Global Phonebook Xml Settings

    If set to Yes, contacts manually entered from handset will be removed after downloading global phonebook. Figure 31: Automatic XML Phonebook Download P a g e DP750/DP720 Administration Guide...

  • Page 79: Figure 32: Manual Xml Phonebook Management

    Last name of the contact of them FirstName Child element String First name of the contact present Child element Mandatory Phone number Phone Type=”Home” or Type=”Work” or PhoneNumber Child element At least one Type=”Mobile” present P a g e DP750/DP720 Administration Guide...

  • Page 80: Global Phonebook Via Ldap

    </Contact> </AddressBook> Global Phonebook via LDAP 1. Access the Web GUI of your DP750 using the admin’s username and password. (Default username and password is: admin/admin). 2. Press Login to access your settings. 3. Go to Phonebook > Global Phonebook LDAP Settings tab.

  • Page 81: Figure 33: Global Phonebook Ldap Settings

    DP720 handsets screens. You can access your Global phonebook by pressing Contacts on your DP720 handsets and select Shared. Your Global Phonebook contacts will be loaded and displayed on your DP720 screen. P a g e DP750/DP720 Administration Guide...

  • Page 82: Upgrading And Provisioning

    DP750 Firmware Upgrade Procedure Please follow below steps in order to upgrade the firmware version of your DP750 base station: 1. Access DP750 Web GUI (default username and password are: admin/admin). 2. Press Login to access your settings.

  • Page 83: Upgrading Via Local Tftp/Http Servers

    Please refer to the webpage: http://www.grandstream.com/support/firmware Alternatively, users can download a free TFTP or HTTP server and conduct a local firmware upgrade. A free windows version TFTP server is available for download from: http://www.solarwinds.com/products/freetools/free_tftp_server.aspx http://tftpd32.jounin.net/. P a g e DP750/DP720 Administration Guide...

  • Page 84: Upgrading Dp720 Handset

    Using the Web GUI 1. Access DP750 Web GUI (default username and password are: admin/admin). 2. Press Login to access your settings. 3. Go to Maintenance > Firmware Upgrade page, and enable the Automatic Upgrade option so the handset will upgrade the firmware automatically once it detects the new firmware.

  • Page 85: Dp750/Dp720 Provisioning

    LCD a prompt message inviting the user to initiate the upgrade, more over under the Web GUI of the base station DP750 -> Status -> DECT Status -> Handset Status, appears an Upgrade All button once the base detect that several registered handsets are using an old firmware version so the user could upgrade all handsets by pressing Upgrade All button.

  • Page 86: Figure 36: Provisioning Feature

    When a DP720 registers to a DP750 for the first time or an already registered handset boots up, the DP750 will send a provisioning request for a file on the configured provisioning server, with location “Config_Server_Path/[Prefix][HS IPEI].xml[Postfix]”.

  • Page 87: Restore Factory Default Settings

    There are two methods to reset your base station to the default setting: Via Reset Button 1. Locate the reset hole on the back panel of your DP750. 2. Insert a pin in this hole, and press for about 7 seconds.
  • Page 88 5. DP720 LED will start blinking in 3 colors: Green, Red and Orange if factory reset successful triggered. 6. Wait for about 1-3 minutes, the DP720 will boot up with setup wizard for initial language and date format settings. P a g e DP750/DP720 Administration Guide...

  • Page 89: Experiencing Dp750/720

    Thank you again for purchasing Grandstream DECT IP phone, it will be sure to bring convenience to both your business and personal life. P a g e DP750/DP720 Administration Guide...

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