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Hi , I'm having a problem that really bothers me , I have looked for similar cases but couldn't really find an answer . I keep getting messages which says that -- B-channel xx successfully restarted on span x and this causes the calls to be disconnected if somone is already using the channel that is being restarted, plz notice below the under lined text in which I was testing and

So I made the mistake of buying a Carrier Access channel bank without noticing the page on the wiki about the fact that they don't support disconnect supervision (bastards!). However, apart from that, I do have it working fine for incoming calls. Is there some trick to get asterisk to detect the hangup tones from SBC? I've tried busydetect and callprogress as suggested, but neither