[asterisk-dev] PJSIP signalling issue

Abhay Gupta abhay at avissol.com
Fri Oct 12 07:29:20 CDT 2018 

Hi,

Sorry I send the wrong log by mistake . This is the complete trace .

INVITE sip:+911244510099 at ims.airtel.in <mailto:sip%3A%2B911244510099 at ims.airtel.in> SIP/2.0^M
Via: SIP/2.0/UDP 10.232.130.170:5060;branch=z9hG4bKmt21w13mts9hs12do2buotorb;Role=3;Hpt=8eb2_36;TRC=ffffffff-ffffffff^M
Call-ID: asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in <mailto:asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in>^M
From: <sip:9999056472 at ims.airtel.in <mailto:sip%3A9999056472 at ims.airtel.in>>;tag=a4mtt442^M
To: <sip:+911244510099 at ims.airtel.in <mailto:sip%3A%2B911244510099 at ims.airtel.in>>^M
CSeq: 1 INVITE^M
Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,INFO,PRACK,NOTIFY,MESSAGE,REFER,UPDATE^M
Contact: <sip: <sip:10.232.130.170:5060;Dpt=f02a-200;Hpt=8eb2_16;CxtId=4;TRC=ffffffff-ffffffff>10.232 <sip:10.232.130.170:5060;Dpt=f02a-200;Hpt=8eb2_16;CxtId=4;TRC=ffffffff-ffffffff>. <sip:10.232.130.170:5060;Dpt=f02a-200;Hpt=8eb2_16;CxtId=4;TRC=ffffffff-ffffffff>130.170 <sip:10.232.130.170:5060;Dpt=f02a-200;Hpt=8eb2_16;CxtId=4;TRC=ffffffff-ffffffff>: <sip:10.232.130.170:5060;Dpt=f02a-200;Hpt=8eb2_16;CxtId=4;TRC=ffffffff-ffffffff>5060 <sip:10.232.130.170:5060;Dpt=f02a-200;Hpt=8eb2_16;CxtId=4;TRC=ffffffff-ffffffff>;Dpt=f02a-200;Hpt=8eb2_16;CxtId=4;TRC=ffffffff-ffffffff <sip:10.232.130.170:5060;Dpt=f02a-200;Hpt=8eb2_16;CxtId=4;TRC=ffffffff-ffffffff>>^M
Max-Forwards: 5^M
Supported: timer,100rel,histinfo^M
Session-Expires: 1800^M
Min-SE: 600^M
P-Asserted-Identity: <tel:09999056472 <tel:09999056472>>^M
P-Charging-Vector: icid-value=AE880F241513B2018105191218;orig-ioi=10.232.128.242;term-ioi=SIP_astroscience_929405_4510050^M
Content-Length: 378^M
Content-Type: application/sdp^M

=====================================

SIP/2.0 100 Trying^M
Via: SIP/2.0/UDP 10.232.130.170:5060;rport=5060;received=10.232.130.170;branch=z9hG4bKmt21w13mts9hs12do2buotorb;Role=3;Hpt=8eb2_36;TRC=ffffffff-ffffffff^M
Call-ID: asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in <mailto:asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in>^M
From: <sip:9999056472 at ims.airtel.in <mailto:sip%3A9999056472 at ims.airtel.in>>;tag=a4mtt442^M
To: <sip:+911244510099 at ims.airtel.in <mailto:sip%3A%2B911244510099 at ims.airtel.in>>^M
CSeq: 1 INVITE^M
Server: Asterisk PBX 13.20.0^M
Content-Length:  0^M


===================================

SIP/2.0 200 OK^M
Via: SIP/2.0/UDP 10.232.130.170:5060;rport=5060;received=10.232.130.170;branch=z9hG4bKmt21w13mts9hs12do2buotorb;Role=3;Hpt=8eb2_36;TRC=ffffffff-ffffffff^M
Call-ID: asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in <mailto:asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in>^M
From: <sip:9999056472 at ims.airtel.in <mailto:sip%3A9999056472 at ims.airtel.in>>;tag=a4mtt442^M
To: <sip:+911244510099 at ims.airtel.in <mailto:sip%3A%2B911244510099 at ims.airtel.in>>;tag=8e9db72e-e65f-4a01-b2f3-b4bfae12ff5b^M
CSeq: 1 INVITE^M
Server: Asterisk PBX 13.20.0^M
Contact: <sip:10.165.10.4:5060 <http://10.165.10.4:5060/>>^M
Allow: OPTIONS, SUBSCRIBE, NOTIFY, PUBLISH, INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, REGISTER, REFER, MESSAGE^M
Supported: 100rel, timer, replaces, norefersub^M
Session-Expires: 1800;refresher=uac^M
Require: timer^M
Content-Type: application/sdp^M
Content-Length:   254^M


==================================

ACK sip:10.165.10.4:5060 <http://10.165.10.4:5060/> SIP/2.0^M
Via: SIP/2.0/UDP 10.232.130.170:5060;branch=z9hG4bK2wub332w4fo14wdhdm231b3d3;Role=3;Hpt=8eb2_36;TRC=ffffffff-ffffffff^M
Call-ID: asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in <mailto:asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in>^M
From: "09999056472"<tel:9999056472;noa=subscriber;srvattri=national;phone-context=+91 <tel:9999056472;noa=subscriber;srvattri=national;phone-context=+91>>;tag=a4mtt442^M
To: <tel:+911244510099 <tel:+911244510099>>;tag=8e9db72e-e65f-4a01-b2f3-b4bfae12ff5b^M
CSeq: 1 ACK^M
Max-Forwards: 5^M
P-Charging-Vector: icid-value=AE880F241513B2018105191218;orig-ioi=10.232.128.242;term-ioi=SIP_astroscience_929405_4510050^M
Content-Length: 0^M


===================================

INVITE sip:10.165.10.4:5060 <http://10.165.10.4:5060/> SIP/2.0^M
Via: SIP/2.0/UDP 10.232.130.170:5060;branch=z9hG4bK3b1bf4mh9wfrs21dwftmh9wbs;Role=3;Hpt=8eb2_36;TRC=ffffffff-ffffffff^M
Call-ID: asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in <mailto:asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in>^M
From: <sip:9999056472 at ims.airtel.in <mailto:sip%3A9999056472 at ims.airtel.in>>;tag=a4mtt442^M
To: <sip:+911244510099 at ims.airtel.in <mailto:sip%3A%2B911244510099 at ims.airtel.in>>;tag=8e9db72e-e65f-4a01-b2f3-b4bfae12ff5b^M
CSeq: 2 INVITE^M
Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,INFO,PRACK,NOTIFY,MESSAGE,REFER,UPDATE^M
Contact: <sip: <sip:10.232.130.170:5060;Dpt=f02a-200;Hpt=8eb2_16;CxtId=4;TRC=ffffffff-ffffffff>10.232 <sip:10.232.130.170:5060;Dpt=f02a-200;Hpt=8eb2_16;CxtId=4;TRC=ffffffff-ffffffff>. <sip:10.232.130.170:5060;Dpt=f02a-200;Hpt=8eb2_16;CxtId=4;TRC=ffffffff-ffffffff>130.170 <sip:10.232.130.170:5060;Dpt=f02a-200;Hpt=8eb2_16;CxtId=4;TRC=ffffffff-ffffffff>: <sip:10.232.130.170:5060;Dpt=f02a-200;Hpt=8eb2_16;CxtId=4;TRC=ffffffff-ffffffff>5060 <sip:10.232.130.170:5060;Dpt=f02a-200;Hpt=8eb2_16;CxtId=4;TRC=ffffffff-ffffffff>;Dpt=f02a-200;Hpt=8eb2_16;CxtId=4;TRC=ffffffff-ffffffff <sip:10.232.130.170:5060;Dpt=f02a-200;Hpt=8eb2_16;CxtId=4;TRC=ffffffff-ffffffff>>^M
Max-Forwards: 5^M
Supported: timer^M
Session-Expires: 1800;refresher=uac^M
Min-SE: 600^M
P-Charging-Vector: icid-value=AE880F241513B2018105191218;orig-ioi=10.232.128.242;term-ioi=SIP_astroscience_929405_4510050^M
Content-Length: 192^M
Content-Type: application/sdp^M


=================================

SIP/2.0 491 Request Pending^M
Via: SIP/2.0/UDP 10.232.130.170:5060;rport=5060;received=10.232.130.170;branch=z9hG4bK3b1bf4mh9wfrs21dwftmh9wbs;Role=3;Hpt=8eb2_36;TRC=ffffffff-ffffffff^M
Call-ID: asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in <mailto:asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in>^M
From: <sip:9999056472 at ims.airtel.in <mailto:sip%3A9999056472 at ims.airtel.in>>;tag=a4mtt442^M
To: <sip:+911244510099 at ims.airtel.in <mailto:sip%3A%2B911244510099 at ims.airtel.in>>;tag=8e9db72e-e65f-4a01-b2f3-b4bfae12ff5b^M
CSeq: 2 INVITE^M
Server: Asterisk PBX 13.20.0^M
Content-Length:  0^M
^M


================================

ACK sip:10.165.10.4:5060 <http://10.165.10.4:5060/> SIP/2.0^M
Via: SIP/2.0/UDP 10.232.130.170:5060;branch=z9hG4bK3b1bf4mh9wfrs21dwftmh9wbs;Role=3;Hpt=8eb2_36;TRC=ffffffff-ffffffff^M
Call-ID: asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in <mailto:asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in>^M
From: <sip:9999056472 at ims.airtel.in <mailto:sip%3A9999056472 at ims.airtel.in>>;tag=a4mtt442^M
To: <sip:+911244510099 at ims.airtel.in <mailto:sip%3A%2B911244510099 at ims.airtel.in>>;tag=8e9db72e-e65f-4a01-b2f3-b4bfae12ff5b^M
CSeq: 2 ACK^M
Max-Forwards: 70^M
Content-Length: 0^M


=================================

SIP/2.0 200 OK^M
Via: SIP/2.0/UDP 10.232.130.170:5060;rport=5060;received=10.232.130.170;branch=z9hG4bKmt21w13mts9hs12do2buotorb;Role=3;Hpt=8eb2_36;TRC=ffffffff-ffffffff^M
Call-ID: asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in <mailto:asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in>^M
From: <sip:9999056472 at ims.airtel.in <mailto:sip%3A9999056472 at ims.airtel.in>>;tag=a4mtt442^M
To: <sip:+911244510099 at ims.airtel.in <mailto:sip%3A%2B911244510099 at ims.airtel.in>>;tag=8e9db72e-e65f-4a01-b2f3-b4bfae12ff5b^M
CSeq: 1 INVITE^M
Server: Asterisk PBX 13.20.0^M
Contact: <sip:10.165.10.4:5060 <http://10.165.10.4:5060/>>^M
Allow: OPTIONS, SUBSCRIBE, NOTIFY, PUBLISH, INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, REGISTER, REFER, MESSAGE^M
Supported: 100rel, timer, replaces, norefersub^M
Session-Expires: 1800;refresher=uac^M
Require: timer^M
Content-Type: application/sdp^M
Content-Length:   254^M


=================================

ACK sip:10.165.10.4:5060 <http://10.165.10.4:5060/> SIP/2.0^M
Via: SIP/2.0/UDP 10.232.130.170:5060;branch=z9hG4bK2wub332w4fo14wdhdm231b3d3;Role=3;Hpt=8eb2_36;TRC=ffffffff-ffffffff^M
Call-ID: asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in <mailto:asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in>^M
From: "09999056472"<tel:9999056472;noa=subscriber;srvattri=national;phone-context=+91 <tel:9999056472;noa=subscriber;srvattri=national;phone-context=+91>>;tag=a4mtt442^M
To: <tel:+911244510099 <tel:+911244510099>>;tag=8e9db72e-e65f-4a01-b2f3-b4bfae12ff5b^M
CSeq: 1 ACK^M
Max-Forwards: 5^M
P-Charging-Vector: icid-value=AE880F241513B2018105191218;orig-ioi=10.232.128.242;term-ioi=SIP_astroscience_929405_4510050^

================================

SIP/2.0 200 OK^M
Via: SIP/2.0/UDP 10.232.130.170:5060;rport=5060;received=10.232.130.170;branch=z9hG4bKmt21w13mts9hs12do2buotorb;Role=3;Hpt=8eb2_36;TRC=ffffffff-ffffffff^M
Call-ID: asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in <mailto:asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in>^M
From: <sip:9999056472 at ims.airtel.in <mailto:sip%3A9999056472 at ims.airtel.in>>;tag=a4mtt442^M
To: <sip:+911244510099 at ims.airtel.in <mailto:sip%3A%2B911244510099 at ims.airtel.in>>;tag=8e9db72e-e65f-4a01-b2f3-b4bfae12ff5b^M
CSeq: 1 INVITE^M
Server: Asterisk PBX 13.20.0^M
Contact: <sip:10.165.10.4:5060 <http://10.165.10.4:5060/>>^M
Allow: OPTIONS, SUBSCRIBE, NOTIFY, PUBLISH, INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, REGISTER, REFER, MESSAGE^M
Supported: 100rel, timer, replaces, norefersub^M
Session-Expires: 1800;refresher=uac^M
Require: timer^M
Content-Type: application/sdp^M
Content-Length:   254^M


====================================

ACK sip:10.165.10.4:5060 <http://10.165.10.4:5060/> SIP/2.0^M
Via: SIP/2.0/UDP 10.232.130.170:5060;branch=z9hG4bK2wub332w4fo14wdhdm231b3d3;Role=3;Hpt=8eb2_36;TRC=ffffffff-ffffffff^M
Call-ID: asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in <mailto:asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in>^M
From: "09999056472"<tel:9999056472;noa=subscriber;srvattri=national;phone-context=+91 <tel:9999056472;noa=subscriber;srvattri=national;phone-context=+91>>;tag=a4mtt442^M
To: <tel:+911244510099 <tel:+911244510099>>;tag=8e9db72e-e65f-4a01-b2f3-b4bfae12ff5b^M
CSeq: 1 ACK^M
Max-Forwards: 5^M
P-Charging-Vector: icid-value=AE880F241513B2018105191218;orig-ioi=10.232.128.242;term-ioi=SIP_astroscience_929405_4510050^M
Content-Length: 0^M


====================================

SIP/2.0 200 OK^M
Via: SIP/2.0/UDP 10.232.130.170:5060;rport=5060;received=10.232.130.170;branch=z9hG4bKmt21w13mts9hs12do2buotorb;Role=3;Hpt=8eb2_36;TRC=ffffffff-ffffffff^M
Call-ID: asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in <mailto:asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in>^M
From: <sip:9999056472 at ims.airtel.in <mailto:sip%3A9999056472 at ims.airtel.in>>;tag=a4mtt442^M
To: <sip:+911244510099 at ims.airtel.in <mailto:sip%3A%2B911244510099 at ims.airtel.in>>;tag=8e9db72e-e65f-4a01-b2f3-b4bfae12ff5b^M
CSeq: 1 INVITE^M
Server: Asterisk PBX 13.20.0^M
Contact: <sip:10.165.10.4:5060 <http://10.165.10.4:5060/>>^M
Allow: OPTIONS, SUBSCRIBE, NOTIFY, PUBLISH, INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, REGISTER, REFER, MESSAGE^M
Supported: 100rel, timer, replaces, norefersub^M
Session-Expires: 1800;refresher=uac^M
Require: timer^M
Content-Type: application/sdp^M
Content-Length:   254^M


===================================

ACK sip:10.165.10.4:5060 <http://10.165.10.4:5060/> SIP/2.0^M
Via: SIP/2.0/UDP 10.232.130.170:5060;branch=z9hG4bK2wub332w4fo14wdhdm231b3d3;Role=3;Hpt=8eb2_36;TRC=ffffffff-ffffffff^M
Call-ID: asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in <mailto:asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in>^M
From: "09999056472"<tel:9999056472;noa=subscriber;srvattri=national;phone-context=+91 <tel:9999056472;noa=subscriber;srvattri=national;phone-context=+91>>;tag=a4mtt442^M
To: <tel:+911244510099 <tel:+911244510099>>;tag=8e9db72e-e65f-4a01-b2f3-b4bfae12ff5b^M
CSeq: 1 ACK^M
Max-Forwards: 5^M
P-Charging-Vector: icid-value=AE880F241513B2018105191218;orig-ioi=10.232.128.242;term-ioi=SIP_astroscience_929405_4510050^M


=============================

SIP/2.0 200 OK^M
Via: SIP/2.0/UDP 10.232.130.170:5060;rport=5060;received=10.232.130.170;branch=z9hG4bKmt21w13mts9hs12do2buotorb;Role=3;Hpt=8eb2_36;TRC=ffffffff-ffffffff^M
Call-ID: asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in <mailto:asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in>^M
From: <sip:9999056472 at ims.airtel.in <mailto:sip%3A9999056472 at ims.airtel.in>>;tag=a4mtt442^M
To: <sip:+911244510099 at ims.airtel.in <mailto:sip%3A%2B911244510099 at ims.airtel.in>>;tag=8e9db72e-e65f-4a01-b2f3-b4bfae12ff5b^M
CSeq: 1 INVITE^M
Server: Asterisk PBX 13.20.0^M
Contact: <sip:10.165.10.4:5060 <http://10.165.10.4:5060/>>^M
Allow: OPTIONS, SUBSCRIBE, NOTIFY, PUBLISH, INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, REGISTER, REFER, MESSAGE^M
Supported: 100rel, timer, replaces, norefersub^M
Session-Expires: 1800;refresher=uac^M
Require: timer^M
Content-Type: application/sdp^M
Content-Length:   254^M


================================

ACK sip:10.165.10.4:5060 <http://10.165.10.4:5060/> SIP/2.0^M
Via: SIP/2.0/UDP 10.232.130.170:5060;branch=z9hG4bK2wub332w4fo14wdhdm231b3d3;Role=3;Hpt=8eb2_36;TRC=ffffffff-ffffffff^M
Call-ID: asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in <mailto:asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in>^M
From: "09999056472"<tel:9999056472;noa=subscriber;srvattri=national;phone-context=+91 <tel:9999056472;noa=subscriber;srvattri=national;phone-context=+91>>;tag=a4mtt442^M
To: <tel:+911244510099 <tel:+911244510099>>;tag=8e9db72e-e65f-4a01-b2f3-b4bfae12ff5b^M
CSeq: 1 ACK^M
Max-Forwards: 5^M
P-Charging-Vector: icid-value=AE880F241513B2018105191218;orig-ioi=10.232.128.242;term-ioi=SIP_astroscience_929405_4510050^M
Content-Length: 0^M


================================

SIP/2.0 200 OK^M
Via: SIP/2.0/UDP 10.232.130.170:5060;rport=5060;received=10.232.130.170;branch=z9hG4bKmt21w13mts9hs12do2buotorb;Role=3;Hpt=8eb2_36;TRC=ffffffff-ffffffff^M
Call-ID: asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in <mailto:asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in>^M
From: <sip:9999056472 at ims.airtel.in <mailto:sip%3A9999056472 at ims.airtel.in>>;tag=a4mtt442^M
To: <sip:+911244510099 at ims.airtel.in <mailto:sip%3A%2B911244510099 at ims.airtel.in>>;tag=8e9db72e-e65f-4a01-b2f3-b4bfae12ff5b^M
CSeq: 1 INVITE^M
Server: Asterisk PBX 13.20.0^M
Contact: <sip:10.165.10.4:5060 <http://10.165.10.4:5060/>>^M
Allow: OPTIONS, SUBSCRIBE, NOTIFY, PUBLISH, INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, REGISTER, REFER, MESSAGE^M
Supported: 100rel, timer, replaces, norefersub^M
Session-Expires: 1800;refresher=uac^M
Require: timer^M
Content-Type: application/sdp^M
Content-Length:   254^M


=============================

ACK sip:10.165.10.4:5060 <http://10.165.10.4:5060/> SIP/2.0^M
Via: SIP/2.0/UDP 10.232.130.170:5060;branch=z9hG4bK2wub332w4fo14wdhdm231b3d3;Role=3;Hpt=8eb2_36;TRC=ffffffff-ffffffff^M
Call-ID: asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in <mailto:asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in>^M
From: "09999056472"<tel:9999056472;noa=subscriber;srvattri=national;phone-context=+91 <tel:9999056472;noa=subscriber;srvattri=national;phone-context=+91>>;tag=a4mtt442^M
To: <tel:+911244510099 <tel:+911244510099>>;tag=8e9db72e-e65f-4a01-b2f3-b4bfae12ff5b^M
CSeq: 1 ACK^M
Max-Forwards: 5^M
P-Charging-Vector: icid-value=AE880F241513B2018105191218;orig-ioi=10.232.128.242;term-ioi=SIP_astroscience_929405_4510050^M
Content-Length: 0^M


===============================

SIP/2.0 200 OK^M
Via: SIP/2.0/UDP 10.232.130.170:5060;rport=5060;received=10.232.130.170;branch=z9hG4bKmt21w13mts9hs12do2buotorb;Role=3;Hpt=8eb2_36;TRC=ffffffff-ffffffff^M
Call-ID: asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in <mailto:asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in>^M
From: <sip:9999056472 at ims.airtel.in <mailto:sip%3A9999056472 at ims.airtel.in>>;tag=a4mtt442^M
To: <sip:+911244510099 at ims.airtel.in <mailto:sip%3A%2B911244510099 at ims.airtel.in>>;tag=8e9db72e-e65f-4a01-b2f3-b4bfae12ff5b^M
CSeq: 1 INVITE^M
Server: Asterisk PBX 13.20.0^M
Contact: <sip:10.165.10.4:5060 <http://10.165.10.4:5060/>>^M
Allow: OPTIONS, SUBSCRIBE, NOTIFY, PUBLISH, INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, REGISTER, REFER, MESSAGE^M
Supported: 100rel, timer, replaces, norefersub^M
Session-Expires: 1800;refresher=uac^M
Require: timer^M
Content-Type: application/sdp^M
Content-Length:   254^M


==================================

ACK sip:10.165.10.4:5060 <http://10.165.10.4:5060/> SIP/2.0^M
Via: SIP/2.0/UDP 10.232.130.170:5060;branch=z9hG4bK2wub332w4fo14wdhdm231b3d3;Role=3;Hpt=8eb2_36;TRC=ffffffff-ffffffff^M
Call-ID: asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in <mailto:asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in>^M
From: "09999056472"<tel:9999056472;noa=subscriber;srvattri=national;phone-context=+91 <tel:9999056472;noa=subscriber;srvattri=national;phone-context=+91>>;tag=a4mtt442^M
To: <tel:+911244510099 <tel:+911244510099>>;tag=8e9db72e-e65f-4a01-b2f3-b4bfae12ff5b^M
CSeq: 1 ACK^M
Max-Forwards: 5^M
P-Charging-Vector: icid-value=AE880F241513B2018105191218;orig-ioi=10.232.128.242;term-ioi=SIP_astroscience_929405_4510050^M
Content-Length: 0^M


===================================

SIP/2.0 200 OK^M
Via: SIP/2.0/UDP 10.232.130.170:5060;rport=5060;received=10.232.130.170;branch=z9hG4bKmt21w13mts9hs12do2buotorb;Role=3;Hpt=8eb2_36;TRC=ffffffff-ffffffff^M
Call-ID: asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in <mailto:asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in>^M
From: <sip:9999056472 at ims.airtel.in <mailto:sip%3A9999056472 at ims.airtel.in>>;tag=a4mtt442^M
To: <sip:+911244510099 at ims.airtel.in <mailto:sip%3A%2B911244510099 at ims.airtel.in>>;tag=8e9db72e-e65f-4a01-b2f3-b4bfae12ff5b^M
CSeq: 1 INVITE^M
Server: Asterisk PBX 13.20.0^M
Contact: <sip:10.165.10.4:5060 <http://10.165.10.4:5060/>>^M
Allow: OPTIONS, SUBSCRIBE, NOTIFY, PUBLISH, INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, REGISTER, REFER, MESSAGE^M
Supported: 100rel, timer, replaces, norefersub^M
Session-Expires: 1800;refresher=uac^M
Require: timer^M
Content-Type: application/sdp^M
Content-Length:   254^M


==================================

ACK sip:10.165.10.4:5060 <http://10.165.10.4:5060/> SIP/2.0^M
Via: SIP/2.0/UDP 10.232.130.170:5060;branch=z9hG4bK2wub332w4fo14wdhdm231b3d3;Role=3;Hpt=8eb2_36;TRC=ffffffff-ffffffff^M
Call-ID: asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in <mailto:asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in>^M
From: "09999056472"<tel:9999056472;noa=subscriber;srvattri=national;phone-context=+91 <tel:9999056472;noa=subscriber;srvattri=national;phone-context=+91>>;tag=a4mtt442^M
To: <tel:+911244510099 <tel:+911244510099>>;tag=8e9db72e-e65f-4a01-b2f3-b4bfae12ff5b^M
CSeq: 1 ACK^M
Max-Forwards: 5^M
P-Charging-Vector: icid-value=AE880F241513B2018105191218;orig-ioi=10.232.128.242;term-ioi=SIP_astroscience_929405_4510050^M
Content-Length: 0^M


==================================

SIP/2.0 200 OK^M
Via: SIP/2.0/UDP 10.232.130.170:5060;rport=5060;received=10.232.130.170;branch=z9hG4bKmt21w13mts9hs12do2buotorb;Role=3;Hpt=8eb2_36;TRC=ffffffff-ffffffff^M
Call-ID: asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in <mailto:asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in>^M
From: <sip:9999056472 at ims.airtel.in <mailto:sip%3A9999056472 at ims.airtel.in>>;tag=a4mtt442^M
To: <sip:+911244510099 at ims.airtel.in <mailto:sip%3A%2B911244510099 at ims.airtel.in>>;tag=8e9db72e-e65f-4a01-b2f3-b4bfae12ff5b^M
CSeq: 1 INVITE^M
Server: Asterisk PBX 13.20.0^M
Contact: <sip:10.165.10.4:5060 <http://10.165.10.4:5060/>>^M
Allow: OPTIONS, SUBSCRIBE, NOTIFY, PUBLISH, INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, REGISTER, REFER, MESSAGE^M
Supported: 100rel, timer, replaces, norefersub^M
Session-Expires: 1800;refresher=uac^M
Require: timer^M
Content-Type: application/sdp^M
Content-Length:   254^M

================================

ACK sip:10.165.10.4:5060 <http://10.165.10.4:5060/> SIP/2.0^M
Via: SIP/2.0/UDP 10.232.130.170:5060;branch=z9hG4bK2wub332w4fo14wdhdm231b3d3;Role=3;Hpt=8eb2_36;TRC=ffffffff-ffffffff^M
Call-ID: asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in <mailto:asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in>^M
From: "09999056472"<tel:9999056472;noa=subscriber;srvattri=national;phone-context=+91 <tel:9999056472;noa=subscriber;srvattri=national;phone-context=+91>>;tag=a4mtt442^M
To: <tel:+911244510099 <tel:+911244510099>>;tag=8e9db72e-e65f-4a01-b2f3-b4bfae12ff5b^M
CSeq: 1 ACK^M
Max-Forwards: 5^M
P-Charging-Vector: icid-value=AE880F241513B2018105191218;orig-ioi=10.232.128.242;term-ioi=SIP_astroscience_929405_4510050^M
Content-Length: 0^M


==================================

SIP/2.0 200 OK^M
Via: SIP/2.0/UDP 10.232.130.170:5060;rport=5060;received=10.232.130.170;branch=z9hG4bKmt21w13mts9hs12do2buotorb;Role=3;Hpt=8eb2_36;TRC=ffffffff-ffffffff^M
Call-ID: asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in <mailto:asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in>^M
From: <sip:9999056472 at ims.airtel.in <mailto:sip%3A9999056472 at ims.airtel.in>>;tag=a4mtt442^M
To: <sip:+911244510099 at ims.airtel.in <mailto:sip%3A%2B911244510099 at ims.airtel.in>>;tag=8e9db72e-e65f-4a01-b2f3-b4bfae12ff5b^M
CSeq: 1 INVITE^M
Server: Asterisk PBX 13.20.0^M
Contact: <sip:10.165.10.4:5060 <http://10.165.10.4:5060/>>^M
Allow: OPTIONS, SUBSCRIBE, NOTIFY, PUBLISH, INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, REGISTER, REFER, MESSAGE^M
Supported: 100rel, timer, replaces, norefersub^M
Session-Expires: 1800;refresher=uac^M
Require: timer^M
Content-Type: application/sdp^M
Content-Length:   254^M


=================================

ACK sip:10.165.10.4:5060 <http://10.165.10.4:5060/> SIP/2.0^M
Via: SIP/2.0/UDP 10.232.130.170:5060;branch=z9hG4bK2wub332w4fo14wdhdm231b3d3;Role=3;Hpt=8eb2_36;TRC=ffffffff-ffffffff^M
Call-ID: asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in <mailto:asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in>^M
From: "09999056472"<tel:9999056472;noa=subscriber;srvattri=national;phone-context=+91 <tel:9999056472;noa=subscriber;srvattri=national;phone-context=+91>>;tag=a4mtt442^M
To: <tel:+911244510099 <tel:+911244510099>>;tag=8e9db72e-e65f-4a01-b2f3-b4bfae12ff5b^M
CSeq: 1 ACK^M
Max-Forwards: 5^M
P-Charging-Vector: icid-value=AE880F241513B2018105191218;orig-ioi=10.232.128.242;term-ioi=SIP_astroscience_929405_4510050^M


==============================

SIP/2.0 200 OK^M
Via: SIP/2.0/UDP 10.232.130.170:5060;rport=5060;received=10.232.130.170;branch=z9hG4bKmt21w13mts9hs12do2buotorb;Role=3;Hpt=8eb2_36;TRC=ffffffff-ffffffff^M
Call-ID: asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in <mailto:asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in>^M
From: <sip:9999056472 at ims.airtel.in <mailto:sip%3A9999056472 at ims.airtel.in>>;tag=a4mtt442^M
To: <sip:+911244510099 at ims.airtel.in <mailto:sip%3A%2B911244510099 at ims.airtel.in>>;tag=8e9db72e-e65f-4a01-b2f3-b4bfae12ff5b^M
CSeq: 1 INVITE^M
Server: Asterisk PBX 13.20.0^M
Contact: <sip:10.165.10.4:5060 <http://10.165.10.4:5060/>>^M
Allow: OPTIONS, SUBSCRIBE, NOTIFY, PUBLISH, INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, REGISTER, REFER, MESSAGE^M
Supported: 100rel, timer, replaces, norefersub^M
Session-Expires: 1800;refresher=uac^M
Require: timer^M
Content-Type: application/sdp^M
Content-Length:   254^M
^M


================================


ACK sip:10.165.10.4:5060 <http://10.165.10.4:5060/> SIP/2.0^M
Via: SIP/2.0/UDP 10.232.130.170:5060;branch=z9hG4bK2wub332w4fo14wdhdm231b3d3;Role=3;Hpt=8eb2_36;TRC=ffffffff-ffffffff^M
Call-ID: asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in <mailto:asbc52d2tt928058dddd8m75ss9189t0rlt1 at B.5.229.ims.airtel.in>^M
From: "09999056472"<tel:9999056472;noa=subscriber;srvattri=national;phone-context=+91 <tel:9999056472;noa=subscriber;srvattri=national;phone-context=+91>>;tag=a4mtt442^M
To: <tel:+911244510099 <tel:+911244510099>>;tag=8e9db72e-e65f-4a01-b2f3-b4bfae12ff5b^M
CSeq: 1 ACK^M
Max-Forwards: 5^M
P-Charging-Vector: icid-value=AE880F241513B2018105191218;orig-ioi=10.232.128.242;term-ioi=SIP_astroscience_929405_4510050^M

Regards,

Abhay Gupta


> On 09-Oct-2018, at 5:49 PM, Joshua Colp <jcolp at digium.com> wrote:
> 
> On Tue, Oct 9, 2018, at 9:11 AM, Abhay Gupta wrote:
>> Hi,
>> 
>> We are having problem with Airtel service provider in India .
>> 
>> Asterisk sends SIP 200OK —> Airtel responds with ACK but asterisk does 
>> not recognises the same . Though the same works with chan_sip 
> 
> I see no problem with this. It's not a retransmission, those are two separate calls. You can tell based on the Call-ID being different. The first is "asbcwnc0a1gca6padwqawgqpwv8gqplbn1p1 at B.5.268.ims.airtel.in" the second is "asbcjhwwc6h5slz6hjlr5coi74j46ozwh2hl at B.5.140.ims.airtel.in". It appears as though the ACKs were handled appropriately. If there is something else then you'd need to be more specific about what is happening.
> 
> -- 
> Joshua Colp
> Digium - A Sangoma Company | Senior Software Developer
> 445 Jan Davis Drive NW - Huntsville, AL 35806 - US
> Check us out at: www.digium.com & www.asterisk.org
> 
> -- 
> _____________________________________________________________________
> -- Bandwidth and Colocation Provided by http://www.api-digital.com --
> 
> Astricon is coming up October 9-11!  Signup is available at: https://www.asterisk.org/community/astricon-user-conference
> 
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