Cisco 8800 Series Manual page 387

Cisco IP Phone Installation
Parameter
SIP Port
SIP 100REL Enable
Cisco IP Phone 8800 Series Multiplatform Phone Administration Guide for Release 11.3(1) and Later
Parameters for SIP Settings on Extensions
Description
The phone's port number for SIP message listening
and transmission.
Specify the port number here only when
Note
you are using UDP as the SIP transport
protocol.
If you are using TCP, the system uses a random port
within the range specified in SIP TCP Port Min and
SIP TCP Port Max on the Voice > SIP tab.
If you need to specify a port of SIP proxy server, you
can specify it using the Proxy field or the XSI Host
Server field.
Perform one of the following:
• In the phone configuration file with
XML(cfg.xml), enter a string in this format:
<SIP_Port_1_ ua="na">5060</SIP_Port_1_>
• In the phone web page, enter an appropriate port
number.
Default: 5060
Support of 100REL SIP extension for reliable
transmission of provisional responses (18x) and use
of PRACK requests.
Perform one of the following:
• In the phone configuration file with
XML(cfg.xml), enter a string in this format:
<SIP_100REL_Enable_1_
ua="na">Yes</SIP_100REL_Enable_1_>
• In the phone web page, select Yes to enable the
feature.
Allowed values: Yes|No
Default: No
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