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

session protocol (Voice over Frame Relay)

session protocol (Voice over Frame Relay)

Syntax Description

Defaults

Command Modes

Command History

To establish a Voice over Frame Relay protocol for calls between the local and remote routers via the packet network, use the session protocol command in dial-peer configuration mode. To reset the default value, use the no form of this command.

session protocol {cisco-switched frf11-trunk}

no session protocol

cisco-switched

Specifies proprietary Cisco VoFR session protocol. (This is the only valid

 

session protocol for the Cisco 7200 series.)

 

 

frf11-trunk

Specifies FRF.11 session protocol.

 

 

cisco-switched

 

Dial-peer configuration

 

 

 

Release

Modification

 

 

11.3(1)T

This command was introduced for VoIP.

 

 

12.0(3)XG

This command was modified to support VoFR on the Cisco 2600, 3600, and

 

7200 series routers and the Cisco MC3810 multiservice concentrator.

 

 

12.0(4)T

The cisco-switchedand frf11-trunkkeywords were added for VoFR dial

 

peers.

 

 

Usage Guidelines

For Cisco-to-Cisco dial peer connections, Cisco recommends that you use the default session protocol

 

 

 

because of the advantages it offers over a pure FRF.11 implementation. When connecting to

 

 

 

FRF.11-compliant equipment from other vendors, use the FRF.11session protocol.

 

 

 

 

 

 

Note

When using the FRF.11 session protocol on Cisco 2600 series and 3600 series routers, you must also

 

 

 

use the called-numbercommand.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Examples

The following example shows how to configure the FRF.11 session protocol on a Cisco 2600 series or

 

 

 

3600 series router for VoFR dial peer 200:

 

 

 

dial-peer voice 200 vofr

 

 

 

 

session protocol frf11-trunk

 

 

 

 

called-number 5552150

 

 

 

The following example shows how to configure the FRF.11 session protocol on a Cisco MC3810

 

 

 

multiservice concentrator for VoFR dial peer 200:

 

 

 

dial-peer voice 200 vofr

 

 

 

 

session protocol frf11-trunk

 

 

 

 

Cisco IOS Voice, Video, Fax Command Reference

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VR-603

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Cisco Systems VR-561 manual Session protocol Voice over Frame Relay, Frf11-trunk, VR-603