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Table of Contents
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Overview:

Feature 1261 adds to the IMG support for the Clear Channel Codec described as "Clear Mode" or "Clear Channel Data" in RFC4040 - RTP Payload Format for a 64 kbit/s Transparent Call. This Codec will be added to the list of Codecs supported and follow the same rules as the answer/offer model and Codec overlap currently supported. The second portion to this feature is that the IMG will examine the Bearer Capabilities on an incoming TDM call. If the Bearer Capability value of the incoming call matches a certain set of requirements and the 'Clear Channel Override' field in the SIP SGP Profile pane on the outgoing side is set to "enable" then the IMG will force the outgoing Codec to be clear channel. The clear channel Codec is supported on Mindspeed VoIP modules only. Below is information on the second portion which is forcing the outgoing Codec to Clear Channel.

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