IOS-XE VoIP

Codec Configurations

You can perform the codec configuration, using the ios-voice:codec configuration mode. The ios-voice:codec configuration mode is a part of Cisco-IOS-XE-voice module. The following operations are allowed in the ios-voice:codec configuration mode.

Operations X-path
get, get-config, edit-config /native/ios-voice:codec

Select Codec Configuration Mode

To enter into the ios-voice:codec configuration mode, follow the x-path provided in the below table.

Object X-path
ios-voice:codec /native/ios-voice:codec

Configuration Recommendations

The codec profile can be configured as follows:

  • codec profile <1-1000000> profile

The ios-voice:codec configuration mode allows you to perform the following codec configurations.

Newly Added YANG Models in Release Cisco IOS XE 17.7.1

The following YANG models are supported from Cisco IOS XE 17.7.1:

  • codec type
  • codec profile

Codec configurations and X-path details

Object Description X-path Value Prerequisites Remarks
codec profile To define profile for the codec. /native/ios-voice:codec/ios-voice:profile N/A N/A N/A
id To define profile tag for the codec. /native/ios-voice:codec/ios-voice:profile/ios-voice:id 1-1000000 N/A N/A
codec-type To name an audio and video codec. /native/ios-voice:codec/ios-voice:profile/ios-voice:codec-type aacld, h263, h263+, h264, mp4a-latm, opus N/A N/A
clock-rate To set clock rate for codec. /native/ios-voice:codec/ios-voice:profile/ios-voice:clock-rate 0-1000000 N/A N/A
fmtp To set fmtp string for this codec. /native/ios-voice:codec/ios-voice:profile/ios-voice:fmtp N/A N/A N/A

Examples: Codec Configuration

Code Snippet
CopyRequesting 'EditConfig'
Sending:

# 1121
<nc:rpc xmlns:nc="urn:ietf:params:xml:ns:netconf:base:1.0" message-id="urn:uuid:1f89fce3-74f0-4ae6-a6ac-0246981d3f1e">
<nc:edit-config>
<nc:target>
<nc:running/>
</nc:target>
<nc:config>
<native xmlns="http://cisco.com/ns/yang/Cisco-IOS-XE-native">
<voice xmlns="http://cisco.com/ns/yang/Cisco-IOS-XE-voice">
<class>
<codec>
<codec-tag>10</codec-tag>
<codec>
<preference>
<preference-tag>1</preference-tag>
<codec-type>mp4a-latm</codec-type>
<profile>1</profile>
<fmtp-select-one>
<bitrate>16000</bitrate>
</fmtp-select-one>
</preference>
</codec>
<video>
<codec>
<codec-type>h263</codec-type>
<profile>2</profile>
</codec>
</video>
</codec>
</class>
</voice>
<dial-peer xmlns="http://cisco.com/ns/yang/Cisco-IOS-XE-voice">
<voice>
<dialpeertag>1</dialpeertag>
<type>voip</type>
<rtp>
<payload-type>
<opus>120</opus>
</payload-type>
</rtp>
</voice>
</dial-peer>
<codec xmlns="http://cisco.com/ns/yang/Cisco-IOS-XE-voice">
<profile>
<id>1</id>
<codec-type>aacld</codec-type>
<clock-rate>
<range>3</range>
</clock-rate>
<fmtp>
<fmtp-string>cisco123</fmtp-string>
</fmtp>
</profile>
</codec>
</native>
</nc:config>
</nc:edit-config>
</nc:rpc>

##
Received message from host
<?xml version="1.0" ?>
<rpc-reply message-id="urn:uuid:1f89fce3-74f0-4ae6-a6ac-0246981d3f1e" xmlns="urn:ietf:params:xml:ns:netconf:base:1.0" xmlns:nc="urn:ietf:params:xml:ns:netconf:base:1.0">
<ok/>
</rpc-reply>
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