Yealink SIP-T2xP Administrator's Manual page 50

Administrator's Guide for SIP-T2xP and SIP-T19P IP Phones
2) Enter the subnet mask in the Subnet Mask field.
3) Press
key.
4) Select the desired value from the Server Status field.
5) Enter the start IP address in the Start IP field.
6) Enter the end IP address in the End IP field.
3. Press the Save soft key to accept the change.
The IP phone reboots automatically to make settings effective after a period of time.
This section provides information on upgrading the IP phone firmware. Two methods of
firmware upgrade:
Manually, from the local system for a single phone.

Automatically, from the provisioning server for a mass of phones.

The following table lists the associated and latest firmware name for each IP phone
model (X is replaced by the actual firmware version).
IP Phone Model
SIP-T28P
SIP-T26P
SIP-T22P
SIP-T21P
SIP-T20P
SIP-T19P
Note
You can download the latest firmware online:
http://www.yealink.com/DocumentDownload.aspx?CateId=142&flag=142.
Do not unplug the network and power cables when the IP phone is upgrading firmware.
Upgrade via Web User Interface
To manually upgrade firmware via web user interface, you need to store firmware to
your local system in advance.
To upgrade firmware manually via web user interface:
1. Click on Settings->Upgrade.
2. Click Browse.
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or to highlight the DHCP Server field, and then press the Enter soft
Associated Firmware Name
2.x.x.x.rom
6.x.x.x.rom
7.x.x.x.rom
34.x.x.x.rom
9.x.x.x.rom
31.x.x.x.rom
Firmware Name Example
2.72.0.1.rom
6.72.0.1.rom
7.72.0.1.rom
34.72.0.1.rom
9.72.0.1.rom
31.72.0.1.rom