Yealink SIP-T19P E2 - User Manual

Recovery Mode on Yealink IP phones
1
Overview
This guide shows how to use recovery mode to get your phone ready when it fails to start up.
There are four recovery modes:
1. Using HTTP server
2. Using TFTP server (not applicable to CP960 IP phones)
3. Using USB flash drive (only applicable to MP54/MP56/MP58/VP59/SIP-T58A/T57W/T54W/
T53W/T53/T53C/T48U/T48S/T46U/T46S/T43U/T42U/T42S/T41S/CP920/CP960 IP phones)
4. Running backup system
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 makes 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 the IP phone ready, the following steps are required:
1. Preparing the Firmware and other Resource Files
2. Configuring the HTTP Server, Configuring the TFTP Server or Connecting the USB Flash Drive to the
IP Phone
Preparing the Firmware and other Resource Files
For the firmware and other resource files, you can ask your Yealink reseller.
Different phone models require different resource files to be used for recovery mode. Some just need the
firmware, while others need extra files like “.bin” or “.rfs” in addition to the firmware.
The filename of the firmware used for recovery mode is strictly required. For example, to use recovery
mode on SIP-T46G IP phones, you must rename the firmware file as T46.rom.
For more details about the firmware name and required resource files, refer to the following table:
Phone Model
The Resource Files Required
Description
SIP-T19(P) E2
T19P_E2.rom, T19P_E2.bin, and T19P_E2.rfs
SIP-T21(P) E2
T21P_E2.rom, T21P_E2.bin, and T21P_E2.rfs
SIP-T23P/G
T2x.rom, T2X.bin, and T2X.rfs

Summary

Overview and Preparation

Yealink IP Phone Recovery Overview

Introduces the concept of recovery mode and lists the four primary methods for Yealink IP phones.

Getting Started and Firmware Preparation

Details initial steps and resource file requirements for Yealink IP phone recovery.

HTTP Server Recovery Configuration

HTTP Server Recovery Procedures

Step-by-step guide to setting up and using an HTTP server for phone recovery.

TFTP Server Recovery Configuration

TFTP Server Recovery Procedures

Instructions for setting up and using a TFTP server for phone recovery.

USB Flash Drive Recovery Procedure

USB Flash Drive Recovery Steps

Explains how to use a USB flash drive to recover Yealink IP phones.

Dual System Device Recovery

Dual System and SIP Phone Series Recovery

Covers recovery for dual system devices and specific SIP phone series using various methods.

SIP Phone Series Recovery (HTTP)

HTTP Recovery for SIP Phone Series

Details HTTP server recovery for specific SIP phone series.

SIP Phone Series Recovery (TFTP)

TFTP Recovery for SIP Phone Series

Details TFTP server recovery for specific SIP phone series.

VCS Series Recovery

VCS Series Recovery Procedures

Outlines the recovery process for Yealink Video Conferencing System series.

Base Station Recovery (W52 P;W56 P;W60 B)

W52 P;W56 P;W60 B Base TFTP Recovery

Specific TFTP recovery procedures for W52P, W56P, and W60B base stations.

Base Station Recovery (W80 DM;W80 B;W90 DM;W90 B)

W80 DM;W80 B;W90 DM;W90 B TFTP Recovery

TFTP recovery procedures for W80DM, W80B, W90DM, and W90B base stations.

IP Phones Recovery (USB)

USB Recovery for Specific IP Phones

Guides on USB flash drive recovery for specific IP phone models.

CP960 IP Phone Recovery

CP960 IP Phone USB Recovery Steps

Detailed steps for recovering CP960 IP phones via USB flash drive.

Overview

1. Function Description
2. Usage Features
3. HTTP Server Configuration
4. TFTP Server Configuration
5. USB Flash Drive Usage
6. Backup System Usage (Dual System Devices)
7. Maintenance Features
8. Special Considerations for Specific Models

This document outlines the recovery mode functionality for Yealink IP phones, designed to restore a phone to working order in cases where it fails to start up, often due to accidental power loss during firmware upgrades. The recovery process is crucial for maintaining phone operability and preventing data corruption.

Function Description

The recovery mode on Yealink IP phones serves as a critical failsafe mechanism, allowing users to restore their devices when they encounter startup failures. This mode is particularly useful if the phone's system data in the flash memory becomes damaged, for instance, due to an unexpected power off during a firmware or configuration update. The document strongly emphasizes the importance of not unplugging or removing power while the phone is updating to prevent such issues.

There are four primary recovery modes supported by Yealink IP phones:

1. Using an HTTP server: This method involves configuring a local HTTP server on a Windows system using a tool like HFS (HTTP File Server). The phone then downloads and upgrades its firmware from this server. This is a common and robust method for recovery, requiring the user to set up a server, place the necessary resource files in a designated root directory, and configure the phone's network settings (IP address, netmask, gateway, and HTTP server address) to point to the server.
2. Using a TFTP server: Similar to the HTTP server method, this involves setting up a TFTP (Trivial File Transfer Protocol) server, typically using an application like tftpd32. The phone connects to this server to download and install the required firmware and resource files. This method also necessitates configuring the phone's network parameters to communicate with the TFTP server.
3. Using a USB flash drive: This is a convenient method for many modern Yealink IP phones, especially those with USB ports. Users can place the necessary resource files directly onto a FAT32-formatted USB flash drive and connect it to the phone. The phone then reads the files from the drive and performs the upgrade. This method is particularly useful when network server setup is not feasible or preferred.
4. Running a backup system: For certain dual-system devices, the phone can directly boot into a backup system. This option is presented to the user upon triggering recovery mode, offering a quick way to restore functionality without external servers or USB drives.

Usage Features

The recovery process is initiated by a specific sequence of actions, typically involving a long press of a designated key (like the Speakerphone key or Home touch key) while reconnecting the power adapter. This action triggers the recovery mode wizard on the phone's LCD screen, guiding the user through the available options.

Preparing Resource Files: A crucial first step for HTTP, TFTP, and USB recovery is preparing the firmware and other resource files. These files, obtained from a Yealink reseller, are specific to each phone model. Some models require only the firmware (e.g., a .rom file), while others also need additional .bin or .rfs files. The filenames are strictly enforced (e.g., T46.rom for SIP-T46G). The document provides a comprehensive table detailing the required files and their specific naming conventions for various Yealink phone models, including SIP-T19(P) E2, SIP-T21(P) E2, SIP-T23P/G, SIP-T27G, SIP-T29G, SIP-T30, SIP-T30P, SIP-T31, SIP-T31G, SIP-T31P, SIP-T33G, SIP-T33P, SIP-T40G, SIP-T40P, SIP-T41P, SIP-T41S, SIP-T42G, SIP-T42S, SIP-T42U, SIP-T43U, SIP-T46G, SIP-T46S, SIP-T46U, SIP-T48G, SIP-T48S, SIP-T48U, SIP VP-T49G, SIP-T53, SIP-T53W, SIP-T54W, SIP-T57W, SIP-T58A, SIP-T58W, VP59, MP54, MP56, MP58, CP860, CP920, CP925, CP960, CP965, VC400, VC120, VC110, W52P/W56P, W60B, W80DM/W80B, and W90DM/W90B.

HTTP Server Configuration:

• Users must create an HTTP root directory and place the resource files there.
• The HFS tool is launched, and the PC's IP address is selected from the "Menu" -> "IP address" option.
• On the phone, after triggering recovery mode, users select "HTTP" and then manually enter the IP Address, Netmask, IP Gateway, and HTTP Server address. Specific navigation keys are indicated for different phone models (e.g., volume keys for CP920, up/down/left/right keys for SIP-T58A).
• Pressing "OK" initiates the download and upgrade. The phone displays "Initializing... Please Wait" during the process. If the upgrade fails, an error message "Firmware Download fialed, please try again." appears, prompting the user to retry.

TFTP Server Configuration:

• A TFTP root directory is created, and resource files are placed within it.
• The tftpd32 application is started.
• The "Browse" button is used to locate the TFTP root directory, and the local IP address is selected from the "Server interface" drop-down menu.
• On the phone, after triggering recovery mode, users select "TFTP" and then manually enter the IP Address, Netmask, IP Gateway, and TFTP Server address. The phone must be in the same subnet as the TFTP server.
• Specific key presses are outlined for different phone models to navigate and confirm settings.
• The phone displays "Initializing... Please Wait" during a successful upgrade. If the upgrade fails, "Update Fail... Please reboot" is displayed, indicating a need to check connectivity, file renaming, and directory placement.

USB Flash Drive Usage:

• Resource files are placed on a FAT32-formatted USB flash drive.
• The USB flash drive is connected to the IP phone.
• After triggering recovery mode, users select "USB" from the recovery mode selection screen.
• The phone reads and upgrades the firmware from the USB drive, displaying "Initializing... Please wait" during the process.
• If the upgrade fails, "Update failed (-1)" is displayed, prompting checks on the USB drive's file system, connection, and correct file placement.

Backup System Usage (Dual System Devices):

• For specific dual-system devices (e.g., SIP-T58W, SIP-T42U, CP965), users trigger recovery mode, and the phone presents an option to "enter the recovery mode and run the backup system?" with "Yes" or "No" choices.
• Selecting "Yes" initiates the backup system.

Maintenance Features

The document provides clear guidance on troubleshooting common issues during recovery:

• Failed Upgrades: If an upgrade fails, the LCD screen will indicate the failure (e.g., "Firmware Download fialed," "Update Fail... Please reboot," or "Update failed (-1)").
• Troubleshooting Steps: Users are advised to:
  • Verify connectivity between the server (HTTP/TFTP) and the IP phone.
  • Ensure resource files are correctly renamed and placed in the designated root directory (for server-based methods) or on the USB flash drive.
  • Confirm the USB flash drive's file system is FAT32 and that it is successfully connected to the IP phone.
  • Repeat the recovery mode procedures if necessary.
• Firmware Verification: After a successful upgrade, users are instructed to verify the current firmware version by navigating to "Settings->Status" (for SIP-T58A/VP59 IP phones) or "Menu->Status" (for SIP-T57W IP phones) or pressing a specific key for other models.

Special Considerations for Specific Models:

• CP960 IP Phones: For CP960, only the USB port next to the micro USB port can be used for recovery. The recovery mode is triggered by a long tap on the Home touch key when "Initializing..." appears.
• W52P/W56P/W60B Base: These bases lack a screen. Recovery involves configuring a static IP address on the local PC (e.g., 192.168.0.23) to be in the same subnet as the base's default IP (192.168.0.100). Recovery is triggered by a long press of a specific key while reconnecting power until three LED indicators turn on. The TFTP server's syslog is used to monitor the firmware download.
• W80DM/W80B and W90DM/W90B: Similar to the W52P/W56P/W60B bases, these devices also lack a screen, requiring static IP configuration on the PC and monitoring via the TFTP server's syslog. The current IP address can be found on the DHCP server's client list.
• VCS (Video Conferencing System) Series (VC400, VC120, VC110): Recovery for these systems involves pressing a recessed Reset key while reconnecting power until the recovery mode wizard appears on the display device. Users then enter network details for the TFTP server and confirm with "OK" on the remote control.

Overall, the document provides a comprehensive, step-by-step guide to using recovery mode, ensuring that Yealink IP phone users can effectively restore their devices from startup failures, thereby extending the lifespan and reliability of their communication equipment.

Yealink SIP-T19P E2 Specifications

General

Handset type	Wired handset
Product type	IP Phone
Product color	Black
Volume control	Digital
Integrated voicemail	Yes
Keypad number of keys	29
Number of function keys	6
Number of programmable keys	7
Cables included	AC, DC, LAN (RJ-45)
Number of handles included	1 pc(s)
Voice codecs	G.711, G.722, G.726, G.729B
Input current	0.25 A
Input frequency	50/60 Hz
AC adapter input voltage	100 - 240 V
AC adapter output current	0.6 A
AC adapter output voltage	5 V
Power consumption (typical)	1.25 W
Lines quantity	- lines
Phonebook capacity	1000 entries
Number of VoIP accounts	-
Dual-Tone Multi-Frequency (DTMF) modes	In-band, Out-of band, SIP info
Display diagonal	2.3 \
Display resolution	132 x 64 pixels
Security algorithms	HTTPS, MD5, SRTP
Networking standards	IEEE 802.1p, IEEE 802.1x
Ethernet LAN (RJ-45) ports	2
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %
Harmonized System (HS) code	85171800

Weight and Dimensions

Depth	143 mm
Width	185 mm
Height	38 mm
Package depth	200 mm
Package width	215 mm
Package height	121 mm
Package weight	996 g