I have an old setup based in Asterisk 1.8. The carrier is accepting Ulaw in the initial invite, but immediately the call is established they send a re-invite to change to Alaw. This doesnt get transcoded and the user gets no audio from after the re-inv..

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All;I had someone ask me if they received an incoming phone call and it was forwarded off pbx to their cell phone, would the call be strictly between the caller and the cell phone, or would it between the caller, the pbx, and the cell phone where ..

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