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Reply To: inband signaling

#62458
pix
Guest

hello,
in band signalling means that the signalling is transmitted along with the data : it doesn’t require a separate channel.

out of band signalling : TCH & SACCH. TCH carries voice, SACCH carries signalling. 2 different (logical) channels.

in band signalling : speech frames and TFO. The TFO signalling is sent in the headers of the speech frames.

cheers
pix