I dont think this can be done, but I want to verify with you guys.
1. extension 1111 calls extension 1112, if extension 1111 place on hold, we dont want any music being played.
2. PSTN calls DID extension 1111, when extension 1111 place on hold, PSTN caller should hear music.
If 4.13 doesnt have this feature, how about 6.1??
If extension 1112 should not hear music, then assign them a MRGL that does not have access to the MOH resource. They'll hear tone on hold instead.
If the PSTN should hear music, then assign the gateway a MRGL that has access to the MOH resource.
Does this meet the requirement?