This feature allows you to configure whether the IMG or the remote gateway takes priority when selecting a codec.
If the IMG has a CODEC list of:
and a remote gateway offers:
If the Codec Negotiation Priority is set to Local, the IMG will answer with g711u.
If the Codec Negotiation Priority is set to Remote, the IMG will answer with g729.
The feature gives you the flexibility to choose CODEC priority on either IMG or the far end gateway.
You configure CODEC Negotiation Priority to either Local or Remote in the IMG 1010 - SIP Profile - 10.5.3 pane.