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Joined: Aug 2004
Posts: 1,639 Likes: 29
Admin
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Admin
Joined: Aug 2004
Posts: 1,639 Likes: 29 |
Usually it's one or the other - Inband or RFC2833. If possible, try turning Inband off while leaving RFC2833 on. We've seen a number of Cisco PBX's around here that don't interpret Inband DTMF when connected to a certain local SIP trunk provider.
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