Hello,
i have a setup of an existing functional VoIP network using a PRI for outbound and inbound communication
There is a fax machine connected to a router on a fxo card which is setup to route to our primary voice router to send outbound faxes
This setup was functional up until a few days ago when our telco upgraded the equipment in our DMARC room.
i am unsure if this is a configuration issue and I am having a hard time determining the cause. any input and help is greatly appreciated.
when attempting to send a fax i get a busy tone then get disconnected
below are the configuration of our routers and attached are debug readouts from both routers capturing the logs from an attempted outbound fax
Fax Machine <Connects to fxo 1/0/2 on> FaxRTR <Routes to> PRI-RTR <then out to telco>
Configurations
FAX Router IP:192.168.77.8
--------------------------------------------
voice-card 0
no dspfarm
!
voice-card 1
no dspfarm
!
voice rtp send-recv
!
voice service voip
fax protocol t38 ls-redundancy 0 hs-redundancy 0 fallback cisco
!
voice class codec 1
codec preference 1 g711ulaw
codec preference 2 g729r8
!
voice class h323 1
h225 timeout tcp establish 3
!
voice-port 1/0/0
!
voice-port 1/0/1
!
voice-port 1/0/2
description Fax Machine
!
voice-port 1/0/3
!
dial-peer voice 30 pots
destination-pattern 7111
port 1/0/2
!
dial-peer voice 7111 voip
description To Voice Gateway
destination-pattern .T
session target ipv4:192.168.77.2
dtmf-relay h245-alphanumeric
codec g711ulaw
!
num-exp 6484... 4...
!
call-manager-fallback
max-conferences 8 gain -6
transfer-system full-consult
max-ephones 42
max-dn 90
!
PRI Router IP:192.168.77.2
----------------------------------------
voice-port 0/0/0:23
!
dial-peer voice 911 pots
destination-pattern 911
port 0/0/0:23
prefix 911
!
dial-peer voice 1 pots
incoming called-number .
direct-inward-dial
port 0/0/0:23
!
dial-peer voice 20 pots
destination-pattern 8T
fax rate disable
port 0/0/0:23
!
dial-peer voice 100 voip
preference 2
destination-pattern 3...
session target ipv4:192.168.78.2
dtmf-relay h245-alphanumeric
codec g711ulaw
!
dial-peer voice 22 pots
destination-pattern 92603355
port 0/0/0:23
forward-digits 7
!
dial-peer voice 101 voip
destination-pattern 4...
session target ipv4:192.168.78.2
dtmf-relay h245-alphanumeric
codec g711ulaw
!
dial-peer voice 23 voip
preference 1
destination-pattern 4...
session target ipv4:192.168.78.4
dtmf-relay h245-alphanumeric
codec g711ulaw
!
dial-peer voice 25 voip
destination-pattern 6484...
session target ipv4:192.168.78.2
!
dial-peer voice 12 pots
destination-pattern 22222
!
dial-peer voice 24 voip
preference 1
destination-pattern 3...
session target ipv4:192.168.78.4
dtmf-relay h245-alphanumeric
codec g711ulaw
!
dial-peer voice 125 voip
destination-pattern 5206484159
progress_ind setup enable 3
session target ipv4:10.10.1.110
incoming called-number .
dtmf-relay h245-signal
codec g711ulaw
fax rate 14400
fax protocol t38 ls-redundancy 0 hs-redundancy 0 fallback cisco
no vad
!
dial-peer voice 126 voip
destination-pattern 5206484107
session target ipv4:10.10.1.110
incoming called-number .
dtmf-relay h245-signal
codec g711ulaw
fax rate 14400
fax protocol t38 ls-redundancy 0 hs-redundancy 0 fallback cisco
no vad
!
dial-peer voice 7111 voip
description To Fax machine
destination-pattern 7111
session target ipv4:192.168.77.8
dtmf-relay h245-alphanumeric
codec g711ulaw
!
dial-peer voice 1001 voip
destination-pattern 520.......
session target ipv4:192.168.78.2
dtmf-relay h245-alphanumeric
codec g711ulaw
!
!
num-exp 6484... 4...
!
call-manager-fallback
max-conferences 8 gain -6
transfer-system full-consult
max-ephones 42
max-dn 90
!
!
