Cisco Systems VR-561 manual Session transport udp tcp, Udp, Tcp, VR-616

Cisco IOS Voice, Video, and Fax Commands: R Through Sh

session transport

session transport

To configure the VoIP dial peer to use TCP or User Datagram Protocol (UDP) as the underlying transport layer protocol for Session Initiation Protocol (SIP) messages, use the session transport command in dial-peer configuration mode. To reset the value to the default, use the no form of this command.

session transport {udp tcp }

Syntax Description

Defaults

Note

Command Modes

Command History

Usage Guidelines

Examples

udp	Configure the SIP dial peer to use the UDP transport layer protocol. This
	is the default.
tcp	Configure the SIP dial peer to use the TCP transport layer protocol.

The SIP dial peer uses UDP.

The transport protocol specified with the transport command and the one specified with the session transport command must be the same.

Dial-peer configuration

Release	Modification
12.1(1)T	This command was introduced on the Cisco 2600 series and Cisco 3600
	series routers and on the Cisco AS5300 universal access server.

Use show sip-ua status to ensure that the transport protocol that you set using the session transport command matches the protocol set using the transport command.

The following example shows a VoIP dial peer configured to use UDP as the underlying transport layer protocol for SIP messages:

dial-peer voice 102 voip session transport udp

Cisco IOS Voice, Video, Fax Command Reference

VR-616