[SIPForum-discussion] Call Failed with SIP 486 Busy for G.723 codec

[amit salunkhe]

Hi All

Can anybody tell me is this possible if we orginate call with G723 codec for
PLMN/PSTN mobile number, then that call will failed from destination side
within 1/2 ring with SIP response 486 Busy?

Here call flow is described below.

USEE A---->SBC1----->SBC2------>TDM g/w1-------->mobile MSC--------->USER B


Please lte me know what aree the different reasons for such call failure
within 1 or 1/2 ring


Regards
Amit--
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