Yealink SIP-T20P Manual
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Also See for SIP-T20P:
- User manual (110 pages) ,
- Quick start manual (39 pages) ,
- Admin manual (7 pages)
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Recovery mode on Yealink IP phones
Overview
This guide shows how to use recovery mode to get your phone ready when it fails to
start up. Yealink IP phones support recovery mode using TFTP protocol only.
Generally, when a Yealink IP phone is powered and connected to the network
properly, it will start up successfully and get ready for you to use. In case, the IP phone
is accidentally powered off when upgrading, the system data in the flash may be
damaged and this make the IP phone fail to start up. Therefore, we strongly
recommend that do not unplug or remove the power when the phone is updating
firmware or configurations.
Getting started
Before using recovery mode to get your IP phone ready. You should obtain the
firmware of the IP phone and rename it, install a TFTP download server.
Preparing the firmware resource file
You can ask your system administrator for the firmware or download it from Yealink
web site at: http://www.yealink.com/support.
The file name of the firmware used for recovery mode is strictly required. For example,
to use recovery mode on SIP-T28P IP phones, you must rename the file name of the
firmware as T28.rom. For more detail about the file name of the firmware
corresponding to the phone model, refer to the following table:
Phone Model
SIP-T20P
SIP-T22P
SIP-T26P
SIP-T28P
SIP-T32G
SIP-T38G
SIP-T60P
SIP-T65P
SIP-T68
VP530
The Resource Files Required (case-sensitive)
T20.rom
T22.rom
T26.rom
T28.rom
T32.rom and T32.bin
T38.rom and T38.bin
T60.rom
T65.rom
T68.rom and T68.bin
V4X.rom, V4X.bin and V4X.rfs
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Table of Contents
Related Manuals for Yealink SIP-T20P
Summary of Contents for Yealink SIP-T20P
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Page 1: Getting Started
IP phone and rename it, install a TFTP download server. Preparing the firmware resource file You can ask your system administrator for the firmware or download it from Yealink web site at: http://www.yealink.com/support. The file name of the firmware used for recovery mode is strictly required. For example, to use recovery mode on SIP-T28P IP phones, you must rename the file name of the firmware as T28.rom. - Page 2 Recovery mode on Yealink IP phones Phone Model The Resource Files Required (case-sensitive) T19D.rom, T2XD.bin and T2XD.rfs T21D.rom, T2XD.bin and T2XD.rfs T41.rom, T41.bin and T41.rfs T42.rom, T42.bin and T42.rfs T46.rom, T46.bin and T46.rfs W52P.rom, W5X.bin and W5X.rfs For W52, You need to use another different way to configure it. Because there is no LCD Note on BASE.
- Page 3 Recovery mode on Yealink IP phones Using Recovery Mode on Yealink IP Phones This section shows how to perform recovery mode on Yealink IP phones step by step. The following screenshots take the SIP-T28P IP phone for reference. Procedures: Press and reconnect the power adapter to trigger the recovery mode.
- Page 4 Recovery mode on Yealink IP phones Getting started for W52P Before using recovery mode to get your W52P ready. You should obtain the firmware of the IP phone and rename it, install a DHCP server and TFTP download server. Configuring the DHCP Server for W52P This session shows how to configure a DHCP server for windows using tftpd32 application.
- Page 5 Recovery mode on Yealink IP phones Configuring the TFTP Server for W52 This session shows how to configure a TFTP server for windows using tftpd32 application. You can download the tftpd32 application from web at: http://tftpd32.jounin.net/tftpd32_download.html. If there is a TFTP server existed in your network and the IP address is 192.168.0.23, you can skip this session and go to next.
- Page 6 Recovery mode on Yealink IP phones Using Recovery Mode on W52 This section shows how to perform recovery mode on W52 step by step. Procedures: Press and reconnect the power adapter to trigger the recovery mode and then wait for about 10 minutes. You can pay attention to the log of TFTP server.
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