I use ATA 187 (firmware ATA187.9-03-0) with cucm 8.0.3.20000-2 for fax. the topo below
PSTN---- T1---- GW ---H323(g711 u-law) T38 -----CUCM ----SIP-t38----ATA 187 ------FAXServer ( Brother 2920).
I used fax relay with T38 protocol and fax rate set to 9600 bps.Fax sending is ok. But having trouble with receiving, sometime success some time failed. Letters show a lack , not clearly.
I tried fax pass-through but i hear a busy tone when i called to fax number.
I saw in the forum have alot of issed with ATA187.
This is GW configure:
dial-peer voice 4001 voip
description To Oslo Pub FAX
destination-pattern XXXXXXX
session target ipv4:XXXXXXX
voice-class h323 1
dtmf-relay h245-alphanumeric
codec g711ulaw
fax-relay ecm disable
fax rate 9600
fax protocol t38 ls-redundancy 2 hs-redundancy 2 fallback pass-through g711ulaw
ip qos dscp cs3 signaling
no vad
Please help me
Thanks alot
