Problem with a new carrier

[wenscom]

sorry for my bad english
when i put in hold a line with a telephone Aastra, the connections go down and on the call history see this message:
Codec: G729a, Quality: 2 (good)
Close Reason: CM note: "Not Supported"

[AramK]

Probably the problem is due to your ITSP specifics. We need Quadro logs or SIP traces to find out the real cause of this issue.