Administrator’s Guide for SIP-T5 Series Smart Media Phones
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The settings will take effect after a reboot.
CDP
CDP (Cisco Discovery Protocol) allows IP phones to receive and/or transmit device-related
information from/to directly connected devices on the network that are also using the protocol,
and store the information about other devices.
When CDP feature is enabled on IP phones, the IP phones periodically advertise their own
information to the directly connected CDP-enabled switch. The IP phones can also receive CDP
packets from the connected switch. When the VLAN configurations on the IP phones are
different from the ones sent by the switch, the IP phones perform an update and reboot. This
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)
Configure CDP feature.
Parameters:
static.network.cdp.enable
static.network.cdp.packet_interval
Configure CDP feature.
Navigate to:
http://<phoneIPAddress>/servlet?m
=mod_data&p=network-adv&q=loa
d
Details of Configuration Parameters:
static.network.cdp.enable
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.
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