Hi all!
There was a problem with a fax assurance of receipt. According to the standard t.38 after fax reception message MCF should go, however Cisco AS5400xm it does not send. Because of it softswitch MERA does not confirm fax reception.
What problem may be?
!
dial-peer voice 87626700 voip
answer-address 8762670.
destination-pattern 8762670.
session protocol sipv2
session target ipv4:x.x.x.x
dtmf-relay rtp-nte
codec g711alaw
fax-relay ecm disable
fax rate 9600
fax protocol t38 ls-redundancy 0 hs-redundancy 0 fallback none
no vad
!
dial-peer voice 2000 pots
destination-pattern 2017
progress_ind setup enable 3
progress_ind alert enable 8
no digit-strip
direct-inward-dial
port 5/0:D
Mar 19 10:06:02.998: 5/0:D (531) 562683315 fr-entered (20ms)
Mar 19 10:06:24.574: 5/0:D (531) 562855972 state_code: fr-msg-det V21, t30_msg: NSF
Mar 19 10:06:25.318: 5/0:D (531) 562861941 state_code: fr-msg-det V21, t30_msg: CSI
Mar 19 10:06:25.690: 5/0:D (531) 562864929 state_code: fr-msg-det V21, t30_msg: DIS
Mar 19 10:06:27.334: 5/0:D (531) 562878087 state_code: fr-msg-tx V21, t30_msg: TSI
Mar 19 10:06:27.546: 5/0:D (531) 562879757 state_code: fr-msg-tx V21, t30_msg: DCS
Mar 19 10:06:32.262: 5/0:D (531) 562917546 state_code: fr-msg-det V21, t30_msg: CFR
Mar 19 10:08:09.210: FAX_RELAY_DET_STATUS_CHANGE: slot: 3 port: 101 detector mask 0x2
Mar 19 10:08:10.106: 5/0:D (531) 563700610 fr-end
