Good day!
I have issue with t38 nse based switchover - no switchover occurs with event 202
topology:
telco----pri-----ISRG2(MGCP)-----cucm------vg224(SCCP)----sg3fax(no ecm,forced 9600baud)
mgcp cfg:
no mgcp fax t38 inh
no mgcp fax t38 ecm
mgcp fax t38 nsf 000000
mgcp fax t38 gateway force
MODEMPASS disabled.
vg224 cfg:
voice service voip
fax protocol t38 nse force version 0 ls-redundancy 0 hs-redundancy 0 fallback none
debug info from vg224:
18:11:51.508 : s=DSP d=VoIP payload 0x64 ssrc 0x1DF0 sequence 0x15FF timestamp 0x4B8672E7
18:11:51.508 : Pt:100 Evt:200 Pkt:00 00 00 <Snd>>>
18:11:51.520 : s=DSP d=VoIP payload 0x64 ssrc 0x1DF0 sequence 0x1600 timestamp 0x4B8672E7
18:11:51.520 : Pt:100 Evt:200 Pkt:00 00 00 <Snd>>>
18:11:51.536 : s=VoIP d=DSP payload 0x63 ssrc 0x25AF82ED sequence 0xDD8 timestamp 0x44276827
18:11:51.536 : <<<Rcv> Pt:99 Evt:202 Pkt:00 00 00
18:11:51.540 : s=DSP d=VoIP payload 0x64 ssrc 0x1DF0 sequence 0x1602 timestamp 0x4B8672E7
18:11:51.540 : Pt:100 Evt:200 Pkt:00 00 00 <Snd>>>
18:11:51.544 : s=VoIP d=DSP payload 0x63 ssrc 0x25AF82ED sequence 0xDD9 timestamp 0x44276827
18:11:51.544 : <<<Rcv> Pt:99 Evt:202 Pkt:00 00 00
18:11:51.564 : s=VoIP d=DSP payload 0x63 ssrc 0x25AF82ED sequence 0xDDB timestamp 0x44276827
18:11:51.564 : <<<Rcv> Pt:99 Evt:202 Pkt:00 00 00
