Media Lists allow you to specify a set of codecs and fax profiles that are allowed on a given SIP Signaling Group. They contain one or more Media Profiles, which must first be defined in Media Profiles. These lists allow you to accommodate specific transmission requirements, and SIP devices that only implement a subset of the available voice codecs. See Working with Media for general information about SIP media. To use a Media List, select it from the Media List field of a SIP Signaling Group or Call Routing Table entry.
In the left navigation pane, go to Media > Media Lists.
To view a media list's properties:
To delete an entry, select the checkbox next to the entry and then click the Delete () icon.