Hello,
I tried to transfer an inbound fax to an outband fax as below :
Fax1 -------ITSP-------SIP-trunk--------CUBE--------CUCM -------- SIP-trunk---ITSP-------Fax2
Fax 2 is available when i dial him directly.
When i tried to send a fax from Fax1 to Fax2 there is a cancel in SIP messages
On Cube i just apply this command for T38 and inbound outband faxes works :
voice service voip
address-hiding
mode border-element license capacity 525
allow-connections sip to sip
fax protocol t38 version 0 ls-redundancy 0 hs-redundancy 0 fallback none
sip
rel1xx disable
session refresh
header-passing
error-passthru
asserted-id pai
privacy pstn
early-offer forced
midcall-signaling passthru
privacy-policy passthru
Below some SIP messages ( in attach complete logs):
Received:
INVITE sip:+331708XXXXX@21.159.X.X:5060 SIP/2.0
Via: SIP/2.0/UDP 21.159.X.X:5060;branch=z9hG4bK0cBdd041bcd4da81538
From: <sip:+337XXXXXX@21.159.X.X>;tag=gK0c64f835
To: <sip:+33170xXXXXX@21.159.X.X>
Call-ID: 755798237_121622568@21.159.X.X
CSeq: 2123 INVITE
Max-Forwards: 70
Allow: INVITE,ACK,CANCEL,BYE,REGISTER,REFER,INFO,SUBSCRIBE,NOTIFY,PRACK,UPDATE,OPTIONS
Accept: application/sdp, application/isup, application/dtmf, application/dtmf-relay, multipart/mixed
Contact: <sip:+3375XXXXXX@21.159.X.X:5060>
Supported: timer,100rel
Session-Expires: 1800
Min-SE: 90
Content-Length: 310
Content-Disposition: session; handling=required
Content-Type: application/sdp
v=0
o=Sonus_UAC 21749 2003 IN IP4 21.159.X.X
s=SIP Media Capabilities
c=IN IP4 21.159.236.196
t=0 0
m=audio 16330 RTP/AVP 18 2 8 101
a=rtpmap:18 G729/8000
a=fmtp:18 annexb=no
a=rtpmap:2 G726-32/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
a=sendrecv
a=ptime:20
*****************************************************************************************
Invite with divertion header
INVITE sip:+331408XXXXX@21.159.236.57 SIP/2.0
Via: SIP/2.0/UDP 21.159.X.X:5060;branch=z9hG4bK479731ED2
From: <sip:+337XXXXXX@21.159.X.X>;tag=7875C030-4EF
To: <sip:+331408XXXXXX@21.159.X.X>
Date: Thu, 23 Mar 2017 17:48:47 GMT
Call-ID: CCCE8F52-F2711E7-BE8DA4FF-C9587607@21.159.X.X
Supported: timer,resource-priority,replaces,sdp-anat
Min-SE: 1800
Cisco-Guid: 4124897024-0000065536-0000086622-1862304021
User-Agent: Cisco-SIPGateway/IOS-15.5.3.S3
Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, UPDATE, REFER, SUBSCRIBE, NOTIFY, INFO, REGISTER
CSeq: 101 INVITE
Timestamp: 1490291327
Contact: <sip:+33751808@21.159.X.X:5060>
Expires: 180
Allow-Events: kpml, telephone-event
Max-Forwards: 67
P-Asserted-Identity: <sip:+337XXXXXXX@21.159.X.X>
Diversion: "Test Fax"<sip:+331708XXXXX@21.159.X.X>;privacy=off;reason=unconditional;screen=yes
Session-Expires: 1800
Content-Type: application/sdp
Content-Disposition: session;handling=required
Content-Length: 247
v=0
o=CiscoSystemsSIP-GW-UserA
4431-LON2-01F-CUBE-U1#gent 7173 7938 IN IP4 21.159.X.X
s=SIP Call
c=IN IP4 21.159.X.X
t=0 0
m=audio 16954 RTP/AVP 8 101
c=IN IP4 21.159.X.X
a=rtpmap:8 PCMA/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
a=ptime:20
*********************************************************************
Received:
SUBSCRIBE sip:+3314087XXXXX21.138.0.30:5060 SIP/2.0
Via: SIP/2.0/UDP 21.129.X.X:5060;branch=z9hG4bK72a1db7a9b91c7
From: <sip:+337XXXXXXXX@21.129.X.X>;tag=153710321~1f78a770-7fe4-81a3-46fb-0d284cb2492c-39200425
To: <sip:+3314087XXXX@21.138.X.X>;tag=7875C2AF-1457
Call-ID: f5dcef00-8d410a7f-5a4b12-6f008115@21.129.X.X
CSeq: 102 SUBSCRIBE
Date: Thu, 23 Mar 2017 17:48:47 GMT
User-Agent: Cisco-CUCM10.5
Event: kpml
Expires: 7200
Contact: <sip:21.129.X.X:5060>
P-Asserted-Identity: <sip:+337XXXXXXXX@21.129.X.X>
Accept: application/kpml-response+xml
Max-Forwards: 70
Content-Type: application/kpml-request+xml
Content-Length: 370
<?xml version="1.0" encoding="UTF-8" ?>
<kpml-request xmlns="urn:ietf:params:xml:ns:kpml-request" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:ietf:params:xml:ns:kpml-request kpml-request.xsd" version="1.0">
<pattern interdigittimer="7260000" persist="persist">
<regex tag="dtmf">[x*#ABCD]</regex>
</pattern>
</kpml-request>
May i need to enable Fax Relay or something else (passtrought)?
Regards
Thomas
