Cisco SPA 501G Administration Guide

Configuring SIP, SPCP, and NAT
Configuring SIP
Cisco SPA 500 Series and WIP310 IP Phone Administration Guide 94
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Parameter Description
SIP Transport Select from UDP, TCP, or TLS.
Defaults to UDP.
SIP Port Port number of the SIP message listening and transmission
port.
Defaults to 5060.
SIP 100REL Enable To enable the support of 100REL SIP extension for reliable
transmission of provisional responses (18x) and use of PRACK
requests, select yes. Otherwise, select no.
Defaults to no.
EXT SIP Port The external SIP port number.
Auth Resync-Reboot If this feature is enabled, the Cisco IP phone authenticates the
sender when it receives a NOTIFY message with the following
requests:
• resync
• reboot
• report
• restart
• XML-service
To use this feature, select yes. Otherwise, select no.
Defaults to yes.
SIP Proxy-Require The SIP proxy can support a specific extension or behavior
when it sees this header from the user agent. If this field is
configured and the proxy does not support it, it responds with
the message, unsupported. Enter the appropriate header in the
field provided.
SIP Remote-Party-ID To use the Remote-Party-ID header instead of the From header,
select yes. Otherwise, select no.
Defaults to yes.

Cisco SPA 501G Specifications

General

Brand	Cisco
Model	SPA 501G
Category	IP Phone
Language	English