To dial from a Tieline codec to a non-Tieline codec it is necessary to disable ‘Session Data’ and use an algorithm like G.722 or MPEG Layer 2 for compatibility. The same settings must be configured at both ends for:
•Mono or stereo
•Encoding (Algorithm)
•Sample Rate
•Other relevant settings on the non-Tieline codecFollowing are configuration instructions for dialing to several non-Tieline codec brands over ISDN.