Yealink SIP-T21 E2 Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
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allows the IP phones to be plugged into any switch, obtain their VLAN IDs, and then start
communications with the call control.
Procedure
CDP can be configured using the following methods.
Central Provisioning
(Configuration File)
<y0000000000xx>.cfg
Configure CDP feature.
Parameters:
static.network.cdp.enable
static.network.cdp.packet_interval
Web User Interface
Configure CDP feature.
Navigate to:
http://<phoneIPAddress>/servlet?p=
network-adv&q=load
Phone User Interface
Configure CDP feature.
Details of Configuration Parameters:
Parameters
Permitted Values
Default
static.network.cdp.enable
0 or 1
0
Description:
Enables or disables the CDP (Cisco Discovery Protocol) feature on the IP phone.
0-Disabled
1-Enabled
If it is set to 1 (Enabled), the IP phone will attempt to determine its VLAN ID through CDP.
Note: If you change this parameter, the IP phone will reboot to make the change take
effect.
Web User Interface:
Network->Advanced->CDP->Active
Phone User Interface:
Menu->Advanced (default password: admin) ->Network->CDP->CDP Status
static.network.cdp.packet_interval
Integer from 1 to
3600
60
Description:
Configures the interval (in seconds) for the IP phone to send the CDP (Cisco Discovery
Protocol) request.
Note: It works only if the value of the parameter “static.network.cdp.enable” is set to 1

Yealink SIP-T21 E2 Specifications

General

Brand	Yealink
Model	SIP-T21 E2
Category	IP Phone
Language	English