Match G.722.1 format in the SDP media offer and answer. This function will match G.722.1 bitrate setting in the SDP format parameter of offer and answer.
Parameters
pool
The memory pool.
offer
The SDP media offer.
o_fmt_idx
Index of the G.722.1 format in the SDP media offer.
answer
The SDP media answer.
a_fmt_idx
Index of the G.722.1 format in the SDP media answer.