Cisco Cisco IOS Software Release 12.4(6)T

To configure URLs to either the Session Initiation Protocol (SIP), SIP security (SIPS), or telephone 
(TEL) format for your dial-peer SIP calls, use the voice-class sip url command in dial-peer 
configuration mode. To reset to the default value (system), use the no form of this command.

voice-class sip url {sip | sips | system | tel}

Dial-peer configuration

This command affects only user-agent clients (UACs), because it causes the use of a SIP, SIPS, or 
TEL URL in the request line of outgoing SIP INVITE requests. SIP URLs indicate the originator, 
recipient, and destination of the SIP request; TEL URLs indicate voice-call connections.

The voice-class sip url command, in dial-peer configuration mode, takes precedence over the url 
command in SIP global-configuration mode. However, if the voice-class sip url command is used with 
the system keyword, the gateway uses what was globally configured under the url command.

The following example shows how to set up the voice-class sip url command to generate URLs in the 
SIP format:

dial-peer voice 102 voip

voice-class sip url sip

Generates URLs in the SIP format for calls on a dial-peer basis.

Generates URLs in the SIPS format for calls on a dial-peer basis.

Uses the system value. This is the default.

Generates URLs in the TEL format for calls on a dial-peer basis.

12.2(2)XB

This command was introduced.

12.2(2)XB1

This command was implemented on Cisco AS5850.

12.2(8)T

This command was integrated into Cisco IOS Release 12.2(8)T. Support for the 
Cisco AS5300, Cisco AS5350, Cisco AS5400, and Cisco AS5850 was not 
included in this release.

12.2(11)T

This command was implemented on the Cisco AS5300, Cisco AS5350, and 
Cisco AS5400 platforms.

12.4(6)T

The sips keyword was added to the command.