Fax Machine

[Faisal.Saoud]

Hi,

I have 2 site, one is HQ and second is Site B, HQ have fax machine (688) connected on a FXS during router, and Site B have router have FXS and connected fax machine (7614), I tried to send fax from Site B (7614) to HQ (688) but failed. and from (688) to (7614) is working proberly.

In attachment sh run for 2 site and debug voice ccapi inout for Site B

[Abhay Singh Reyal]

As per the debugs below is the analysis
++++++
Guid=D139B9CC-96CC-11E7-97F9-AFD5FE90BEC1, Outgoing Dial-peer=689
Sep 12 08:40:13.596: //251574/D139B9CC97F9/CCAPI/cc_api_display_ie_subfields:
ccCallSetupRequest:
cisco-username=
----- ccCallInfo IE subfields -----
cisco-ani=7614
cisco-anitype=0
cisco-aniplan=0
cisco-anipi=0
cisco-anisi=0
dest=688

Outgoing dial-peer which gets selected is Outgoing Dial-peer=689
+++++++
dial-peer voice 689 voip
preference 3
destination-pattern 688
session protocol sipv2
session target ipv4:10.10.11.254
voice-class sip bind control source-interface GigabitEthernet0/0
voice-class sip bind media source-interface GigabitEthernet0/0

+++++++
It gets disconnected
Sep 12 08:40:13.644: //251575/D139B9CC97F9/CCAPI/cc_api_call_disconnected:
Cause Value=127, Interface=0x492594D0, Call Id=251575

Then it searches another outbound dial-peer as Outgoing Dial-peer=100
+++++++
dial-peer voice 100 voip
destination-pattern 6..
modem passthrough nse codec g711ulaw
session target ipv4:10.10.20.1
incoming called-number 7...
dtmf-relay cisco-rtp rtp-nte h245-signal h245-alphanumeric
fax rate disable
no vad

+++++++
Call gets disconnected as Media negotiation failure

Sep 12 08:40:13.680: //251576/D139B9CC97F9/CCAPI/cc_api_call_disconnected:
Cause Value=65, Interface=0x491EA658, Call Id=251576

------->>>>
Try adding below command to DP 689

dial-peer voice 689 voip
modem passthrough nse codec g711ulaw

HTH
Regards
Abhay

[Faisal.Saoud]

Hi Abhay,

I tried but busy tone not ringing. and i tried to add this dial-peer also

!

dial-peer voice 688 voip
 destination-pattern 688
 session protocol sipv2
 session target ipv4:10.10.11.254
 dtmf-relay cisco-rtp rtp-nte h245-signal h245-alphanumeric
 codec g711ulaw
 fax rate disable
 fax protocol t38 version 0 ls-redundancy 0 hs-redundancy 0 fallback cisco
 no vad

!

and the dest fax rings but no answer. in attachment the debug on two router HQ and Site B.

You should to know the router HQ is registered on CUCM v10.5

Thanks

[Faisal.Saoud]

any update.