Hi,

I have not heard on my last reply (it went in moderation). So, I am posting one ngrep result here, Please let me know on this:

interface: any
filter: (ip or ip6) and ( port 5060 )
#
T 2014/09/04 12:51:26.423430 182.64.39.131:3207 -> 172.31.47.138:5060 [AP]
INVITE sip:hari@abc.com SIP/2.0.
Via: SIP/2.0/TCP 192.168.0.3:3207;rport;branch=z9hG4bKPj26fb26ab22104aac842ae38bd3fea246;alias.
Max-Forwards: 70.
From: "abhishek" <sip:admin@abc.com>;tag=93d6b660540f40338f9ed66f946ae11a.
To: <sip:hari@abc.com>.
Contact: <sip:48795260@192.168.0.3:1941;transport=tcp>.
Call-ID: b0cac02326d44105aa008f9edd352e8e.
CSeq: 14955 INVITE.
Allow: SUBSCRIBE, NOTIFY, PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, MESSAGE, REFER.
Supported: 100rel, replaces, norefersub, gruu.
User-Agent: Blink 0.9.1.2 (Windows).
Content-Type: application/sdp.
Content-Length:   639.
.
v=0.
o=- 3618843694 3618843694 IN IP4 192.168.0.3.
s=Blink 0.9.1.2 (Windows).
t=0 0.
m=audio 50036 RTP/AVP 113 9 104 103 3 109 0 8 101.
c=IN IP4 192.168.0.3.
a=rtcp:50037.
a=rtpmap:113 opus/48000.
a=fmtp:113 useinbandfec=1.
a=rtpmap:9 G722/8000.
a=rtpmap:104 speex/32000.
a=rtpmap:103 speex/16000.
a=rtpmap:3 GSM/8000.
a=rtpmap:109 iLBC/8000.
a=fmtp:109 mode=20.
a=rtpmap:0 PCMU/8000.
a=rtpmap:8 PCMA/8000.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-15.
a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:fpeIqd7S4YbsjlTI+T3r/LBXQ+pAXB8j6upIi/zT.
a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:0lfQvO4gCr+Mx/177aH0128j8ghvylp7Ai8sovJF.
a=sendrecv.

#
T 2014/09/04 12:51:26.424351 172.31.47.138:5060 -> 182.64.39.131:3207 [AP]
SIP/2.0 407 Proxy Authentication Required.
Via: SIP/2.0/TCP 192.168.0.3:3207;rport=3207;branch=z9hG4bKPj26fb26ab22104aac842ae38bd3fea246;alias;received=182.64.39.131.
From: "abhishek" <sip:admin@abc.com>;tag=93d6b660540f40338f9ed66f946ae11a.
To: <sip:hari@abc.com>;tag=16061544dcc5db830f3ff5cfaeeb9db0.95b0.
Call-ID: b0cac02326d44105aa008f9edd352e8e.
CSeq: 14955 INVITE.
Proxy-Authenticate: Digest realm="abc.com", nonce="VAhhelQIYE7RYMryoXu3/3LAv3hJc0hc".
Server: kamailio (4.1.5 (x86_64/linux)).
Content-Length: 0.
.

#
T 2014/09/04 12:51:26.761371 182.64.39.131:3207 -> 172.31.47.138:5060 [AP]
ACK sip:hari@abc.com SIP/2.0.
Via: SIP/2.0/TCP 192.168.0.3:3207;rport;branch=z9hG4bKPj26fb26ab22104aac842ae38bd3fea246;alias.
Max-Forwards: 70.
From: "abhishek" <sip:admin@abc.com>;tag=93d6b660540f40338f9ed66f946ae11a.
To: <sip:hari@abc.com>;tag=16061544dcc5db830f3ff5cfaeeb9db0.95b0.
Call-ID: b0cac02326d44105aa008f9edd352e8e.
CSeq: 14955 ACK.
User-Agent: Blink 0.9.1.2 (Windows).
Content-Length:  0.
.

##
T 2014/09/04 12:51:27.144744 182.64.39.131:3207 -> 172.31.47.138:5060 [AP]
INVITE sip:hari@abc.com SIP/2.0.
Via: SIP/2.0/TCP 192.168.0.3:3207;rport;branch=z9hG4bKPj4a167a7a11654ba7b08ac6dcefa85845;alias.
Max-Forwards: 70.
From: "abhishek" <sip:admin@abc.com>;tag=93d6b660540f40338f9ed66f946ae11a.
To: <sip:hari@abc.com>.
Contact: <sip:48795260@192.168.0.3:1941;transport=tcp>.
Call-ID: b0cac02326d44105aa008f9edd352e8e.
CSeq: 14956 INVITE.
Allow: SUBSCRIBE, NOTIFY, PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, MESSAGE, REFER.
Supported: 100rel, replaces, norefersub, gruu.
User-Agent: Blink 0.9.1.2 (Windows).
Proxy-Authorization: Digest username="admin", realm="abc.com", nonce="VAhhelQIYE7RYMryoXu3/3LAv3hJc0hc", uri="sip:hari@abc.com", response="f3286a5acf46bf90ae6962ab9fe37f25".
Content-Type: application/sdp.
Content-Length:   639.
.
v=0.
o=- 3618843694 3618843694 IN IP4 192.168.0.3.
s=Blink 0.9.1.2 (Windows).
t=0 0.
m=audio 50036 RTP/AVP 113 9 104 103 3 109 0 8 101.
c=IN IP4 192.168.0.3.
a=rtcp:50037.
a=rtpmap:113 opus/48000.
a=fmtp:113 useinbandfec=1.
a=rtpmap:9 G722/8000.
a=rtpmap:104 speex/32000.
a=rtpmap:103 speex/16000.
a=rtpmap:3 GSM/8000.
a=rtpmap:109 iLBC/8000.
a=fmtp:109 mode=20.
a=rtpmap:0 PCMU/8000.
a=rtpmap:8 PCMA/8000.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-15.
a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:fpeIqd7S4YbsjlTI+T3r/LBXQ+pAXB8j6upIi/zT.
a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:0lfQvO4gCr+Mx/177aH0128j8ghvylp7Ai8sovJF.
a=sendrecv.

##
T 2014/09/04 12:51:27.146564 172.31.47.138:5060 -> 182.64.39.131:3207 [AP]
SIP/2.0 100 trying -- your call is important to us.
Via: SIP/2.0/TCP 192.168.0.3:3207;rport=3207;branch=z9hG4bKPj4a167a7a11654ba7b08ac6dcefa85845;alias;received=182.64.39.131.
From: "abhishek" <sip:admin@abc.com>;tag=93d6b660540f40338f9ed66f946ae11a.
To: <sip:hari@abc.com>.
Call-ID: b0cac02326d44105aa008f9edd352e8e.
CSeq: 14956 INVITE.
Server: kamailio (4.1.5 (x86_64/linux)).
Content-Length: 0.
.

#
T 2014/09/04 12:51:27.147226 172.31.47.138:5060 -> 182.64.39.131:59181 [A]
INVITE sip:80523769@192.168.0.6:59180;transport=tcp SIP/2.0.
Record-Route: <sip:54.191.193.239;transport=tcp;lr=on;nat=yes>.
Via: SIP/2.0/TCP 54.191.193.239:5060;branch=z9hG4bKd247.56bfe8f59f4bfc2c5f783d4adb3e72e1.0;i=f5.
Via: SIP/2.0/TCP 192.168.0.3:3207;received=182.64.39.131;rport=3207;branch=z9hG4bKPj4a167a7a11654ba7b08ac6dcefa85845;alias.
Max-Forwards: 69.
From: "abhishek" <sip:admin@abc.com>;tag=93d6b660540f40338f9ed66f946ae11a.
To: <sip:hari@abc.com>.
Contact: <sip:48795260@192.168.0.3:1941;transport=tcp;alias=182.64.39.131~3207~2>.
Call-ID: b0cac02326d44105aa008f9edd352e8e.
CSeq: 14956 INVITE.
Allow: SUBSCRIBE, NOTIFY, PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, MESSAGE, REFER.
Supported: 100rel, replaces, norefersub, gruu.
User-Agent: Blink 0.9.1.2 (Windows).
Content-Type: application/sdp.
Content-Length:   639.
.
v=0.
o=- 3618843694 3618843694 IN IP4 192.168.0.3.
s=Blink 0.9.1.2 (Windows).
t=0 0.
m=audio 50036 RTP/AVP 113 9 104 103 3 109 0 8 101.
c=IN IP4 192.168.0.3.
a=rtcp:50037.
a=rtpmap:113 opus/48000.
a=fmtp:113 useinbandfec=1.
a=rtpmap:9 G722/8000.
a=rtpmap:104 speex/32000.
a=rtpmap:103 speex/16000.
a=rtpmap:3 GSM/8000.
a=rtpmap:109 iLBC/8000.
a=fmtp:109 mode=20.
a=rtpmap:0 PCMU/8000.
a=rtpmap:8 PCMA/8000.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-15.
a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:fpeIqd7S4YbsjlTI+T3r/LBXQ+pAXB8j6upIi/zT.
a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:0lfQvO4gCr+Mx/177aH0128j8ghvylp7A
#
T 2014/09/04 12:51:27.147238 172.31.47.138:5060 -> 182.64.39.131:59181 [AP]
i8sovJF.
a=sendrecv.

#
T 2014/09/04 12:51:27.465870 182.64.39.131:59181 -> 172.31.47.138:5060 [A]
......
#
T 2014/09/04 12:51:27.475358 182.64.39.131:59181 -> 172.31.47.138:5060 [AP]
SIP/2.0 100 Trying.
Via: SIP/2.0/TCP 54.191.193.239:5060;received=54.191.193.239;branch=z9hG4bKd247.56bfe8f59f4bfc2c5f783d4adb3e72e1.0;i=f5.
Via: SIP/2.0/TCP 192.168.0.3:3207;rport=3207;received=182.64.39.131;branch=z9hG4bKPj4a167a7a11654ba7b08ac6dcefa85845;alias.
Record-Route: <sip:54.191.193.239;transport=tcp;lr;nat=yes>.
Call-ID: b0cac02326d44105aa008f9edd352e8e.
From: "abhishek" <sip:admin@abc.com>;tag=93d6b660540f40338f9ed66f946ae11a.
To: <sip:hari@abc.com>.
CSeq: 14956 INVITE.
Server: Blink 0.9.1.2 (Windows).
Content-Length:  0.
.

##
T 2014/09/04 12:51:27.681136 182.64.39.131:3207 -> 172.31.47.138:5060 [A]
......
#
T 2014/09/04 12:51:27.839852 182.64.39.131:59181 -> 172.31.47.138:5060 [AP]
SIP/2.0 180 Ringing.
Via: SIP/2.0/TCP 54.191.193.239:5060;received=54.191.193.239;branch=z9hG4bKd247.56bfe8f59f4bfc2c5f783d4adb3e72e1.0;i=f5.
Via: SIP/2.0/TCP 192.168.0.3:3207;rport=3207;received=182.64.39.131;branch=z9hG4bKPj4a167a7a11654ba7b08ac6dcefa85845;alias.
Record-Route: <sip:54.191.193.239;transport=tcp;lr;nat=yes>.
Call-ID: b0cac02326d44105aa008f9edd352e8e.
From: "abhishek" <sip:admin@abc.com>;tag=93d6b660540f40338f9ed66f946ae11a.
To: <sip:hari@abc.com>;tag=94d1930ec5b84d5bbd1241ce9feab364.
CSeq: 14956 INVITE.
Server: Blink 0.9.1.2 (Windows).
Contact: <sip:80523769@192.168.0.6:59180;transport=tcp>.
Allow: SUBSCRIBE, NOTIFY, PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, MESSAGE, REFER.
Content-Length:  0.
.

##
T 2014/09/04 12:51:27.840499 172.31.47.138:5060 -> 182.64.39.131:3207 [AP]
SIP/2.0 180 Ringing.
Via: SIP/2.0/TCP 192.168.0.3:3207;rport=3207;received=182.64.39.131;branch=z9hG4bKPj4a167a7a11654ba7b08ac6dcefa85845;alias.
Record-Route: <sip:54.191.193.239;transport=tcp;lr;nat=yes>.
Call-ID: b0cac02326d44105aa008f9edd352e8e.
From: "abhishek" <sip:admin@abc.com>;tag=93d6b660540f40338f9ed66f946ae11a.
To: <sip:hari@abc.com>;tag=94d1930ec5b84d5bbd1241ce9feab364.
CSeq: 14956 INVITE.
Server: Blink 0.9.1.2 (Windows).
Contact: <sip:80523769@192.168.0.6:59180;transport=tcp;alias=182.64.39.131~59181~2>.
Allow: SUBSCRIBE, NOTIFY, PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, MESSAGE, REFER.
Content-Length:  0.
.

#
T 2014/09/04 12:51:28.373579 182.64.39.131:3207 -> 172.31.47.138:5060 [A]
......
#
T 2014/09/04 12:51:30.264254 182.64.39.131:3207 -> 172.31.47.138:5060 [AP]
PUBLISH sip:admin@abc.com SIP/2.0.
Via: SIP/2.0/TCP 192.168.0.3:3207;rport;branch=z9hG4bKPj5084fdd1e5714d2d8f3182b9fbb8efc4;alias.
Max-Forwards: 70.
From: "abhishek" <sip:admin@abc.com>;tag=1b4d86568a1a4293bf7b04d0f0a4bb9f.
To: "abhishek" <sip:admin@abc.com>.
Call-ID: 100497fd86d14652a53347f3c5930ef3.
CSeq: 1 PUBLISH.
Event: presence.
Expires: 600.
User-Agent: Blink 0.9.1.2 (Windows).
Content-Type: application/pidf+xml.
Content-Length:   761.
.
<?xml version='1.0' encoding='UTF-8'?>
<presence xmlns:dm="urn:ietf:params:xml:ns:pidf:data-model" xmlns:caps="urn:ietf:params:xml:ns:pidf:caps" xmlns:rpid="urn:ietf:params:xml:ns:pidf:rpid" xmlns:agp-pidf="urn:ag-projects:xml:ns:pidf" xmlns="urn:ietf:params:xml:ns:pidf" entity="sip%3Aadmin%40abc.com"><tuple id="SID-8ee49af9e5034405300e43c6ecc590dd"><status><basic>closed</basic><agp-pidf:extended>offline</agp-pidf:extended></status><caps:servcaps/><contact>sip%3Aadmin%40abc.com</contact><timestamp>2014-09-04T16:17:08.257625+05:30</timestamp></tuple><dm:person id="PID-8ee49af9e5034405300e43c6ecc590dd"><rpid:activities><rpid:other>offline</rpid:other></rpid:activities><dm:timestamp>2014-09-04T16:17:08.257625+05:30</dm:timestamp></dm:person></presence>
#
T 2014/09/04 12:51:30.264906 172.31.47.138:5060 -> 182.64.39.131:3207 [AP]
SIP/2.0 407 Proxy Authentication Required.
Via: SIP/2.0/TCP 192.168.0.3:3207;rport=3207;branch=z9hG4bKPj5084fdd1e5714d2d8f3182b9fbb8efc4;alias;received=182.64.39.131.
From: "abhishek" <sip:admin@abc.com>;tag=1b4d86568a1a4293bf7b04d0f0a4bb9f.
To: "abhishek" <sip:admin@abc.com>;tag=16061544dcc5db830f3ff5cfaeeb9db0.4dd8.
Call-ID: 100497fd86d14652a53347f3c5930ef3.
CSeq: 1 PUBLISH.
Proxy-Authenticate: Digest realm="abc.com", nonce="VAhhflQIYFLstGA4jrcYrZLssnXzkltX".
Server: kamailio (4.1.5 (x86_64/linux)).
Content-Length: 0.
.

#
T 2014/09/04 12:51:30.611704 182.64.39.131:3207 -> 172.31.47.138:5060 [AP]
PUBLISH sip:admin@abc.com SIP/2.0.
Via: SIP/2.0/TCP 192.168.0.3:3207;rport;branch=z9hG4bKPj6a7a9b0d3bcc4d84af4ceaa7c09c1efb;alias.
Max-Forwards: 70.
From: "abhishek" <sip:admin@abc.com>;tag=1b4d86568a1a4293bf7b04d0f0a4bb9f.
To: "abhishek" <sip:admin@abc.com>.
Call-ID: 100497fd86d14652a53347f3c5930ef3.
CSeq: 2 PUBLISH.
Event: presence.
Expires: 600.
User-Agent: Blink 0.9.1.2 (Windows).
Proxy-Authorization: Digest username="admin", realm="abc.com", nonce="VAhhflQIYFLstGA4jrcYrZLssnXzkltX", uri="sip:admin@abc.com", response="ac284e634f819e5db0b8502e4ee8e8bf".
Content-Type: application/pidf+xml.
Content-Length:   761.
.
<?xml version='1.0' encoding='UTF-8'?>
<presence xmlns:dm="urn:ietf:params:xml:ns:pidf:data-model" xmlns:caps="urn:ietf:params:xml:ns:pidf:caps" xmlns:rpid="urn:ietf:params:xml:ns:pidf:rpid" xmlns:agp-pidf="urn:ag-projects:xml:ns:pidf" xmlns="urn:ietf:params:xml:ns:pidf" entity="sip%3Aadmin%40abc.com"><tuple id="SID-8ee49af9e5034405300e43c6ecc590dd"><status><basic>closed</basic><agp-pidf:extended>offline</agp-pidf:extended></status><caps:servcaps/><contact>sip%3Aadmin%40abc.com</contact><timestamp>2014-09-04T16:17:08.257625+05:30</timestamp></tuple><dm:person id="PID-8ee49af9e5034405300e43c6ecc590dd"><rpid:activities><rpid:other>offline</rpid:other></rpid:activities><dm:timestamp>2014-09-04T16:17:08.257625+05:30</dm:timestamp></dm:person></presence>
#
T 2014/09/04 12:51:30.612812 172.31.47.138:5060 -> 182.64.39.131:3207 [AP]
SIP/2.0 404 Not here.
Via: SIP/2.0/TCP 192.168.0.3:3207;rport=3207;branch=z9hG4bKPj6a7a9b0d3bcc4d84af4ceaa7c09c1efb;alias;received=182.64.39.131.
From: "abhishek" <sip:admin@abc.com>;tag=1b4d86568a1a4293bf7b04d0f0a4bb9f.
To: "abhishek" <sip:admin@abc.com>;tag=16061544dcc5db830f3ff5cfaeeb9db0.fc61.
Call-ID: 100497fd86d14652a53347f3c5930ef3.
CSeq: 2 PUBLISH.
Server: kamailio (4.1.5 (x86_64/linux)).
Content-Length: 0.
.

#
T 2014/09/04 12:51:31.146313 182.64.39.131:3207 -> 172.31.47.138:5060 [A]
......
#
T 2014/09/04 12:51:34.066168 182.64.39.131:59181 -> 172.31.47.138:5060 [AP]
SIP/2.0 200 OK.
Via: SIP/2.0/TCP 54.191.193.239:5060;received=54.191.193.239;branch=z9hG4bKd247.56bfe8f59f4bfc2c5f783d4adb3e72e1.0;i=f5.
Via: SIP/2.0/TCP 192.168.0.3:3207;rport=3207;received=182.64.39.131;branch=z9hG4bKPj4a167a7a11654ba7b08ac6dcefa85845;alias.
Record-Route: <sip:54.191.193.239;transport=tcp;lr;nat=yes>.
Call-ID: b0cac02326d44105aa008f9edd352e8e.
From: "abhishek" <sip:admin@abc.com>;tag=93d6b660540f40338f9ed66f946ae11a.
To: <sip:hari@abc.com>;tag=94d1930ec5b84d5bbd1241ce9feab364.
CSeq: 14956 INVITE.
Server: Blink 0.9.1.2 (Windows).
Allow: SUBSCRIBE, NOTIFY, PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, MESSAGE, REFER.
Contact: <sip:80523769@192.168.0.6:59180;transport=tcp>.
Supported: 100rel, replaces, norefersub, gruu.
Content-Type: application/sdp.
Content-Length:   352.
.
v=0.
o=- 3618843693 3618843694 IN IP4 192.168.0.6.
s=Blink 0.9.1.2 (Windows).
t=0 0.
m=audio 50000 RTP/AVP 113 101.
c=IN IP4 192.168.0.6.
a=rtcp:50001.
a=rtpmap:113 opus/48000.
a=fmtp:113 useinbandfec=1.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-15.
a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:y2a4eThKFFtUJ8pdGGQMr/MB0PDTDP0/fFkvK+H1.
a=sendrecv.

##
T 2014/09/04 12:51:34.067096 172.31.47.138:5060 -> 182.64.39.131:3207 [AP]
SIP/2.0 200 OK.
Via: SIP/2.0/TCP 192.168.0.3:3207;rport=3207;received=182.64.39.131;branch=z9hG4bKPj4a167a7a11654ba7b08ac6dcefa85845;alias.
Record-Route: <sip:54.191.193.239;transport=tcp;lr;nat=yes>.
Call-ID: b0cac02326d44105aa008f9edd352e8e.
From: "abhishek" <sip:admin@abc.com>;tag=93d6b660540f40338f9ed66f946ae11a.
To: <sip:hari@abc.com>;tag=94d1930ec5b84d5bbd1241ce9feab364.
CSeq: 14956 INVITE.
Server: Blink 0.9.1.2 (Windows).
Allow: SUBSCRIBE, NOTIFY, PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, MESSAGE, REFER.
Contact: <sip:80523769@192.168.0.6:59180;transport=tcp;alias=182.64.39.131~59181~2>.
Supported: 100rel, replaces, norefersub, gruu.
Content-Type: application/sdp.
Content-Length:   352.
.
v=0.
o=- 3618843693 3618843694 IN IP4 192.168.0.6.
s=Blink 0.9.1.2 (Windows).
t=0 0.
m=audio 50000 RTP/AVP 113 101.
c=IN IP4 192.168.0.6.
a=rtcp:50001.
a=rtpmap:113 opus/48000.
a=fmtp:113 useinbandfec=1.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-15.
a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:y2a4eThKFFtUJ8pdGGQMr/MB0PDTDP0/fFkvK+H1.
a=sendrecv.

#
T 2014/09/04 12:51:34.408348 182.64.39.131:3207 -> 172.31.47.138:5060 [AP]
ACK sip:80523769@192.168.0.6:59180;transport=tcp;alias=182.64.39.131~59181~2 SIP/2.0.
Via: SIP/2.0/TCP 192.168.0.3:3207;rport;branch=z9hG4bKPj093d16f04a8a4220b8dfc62cc00897cc;alias.
Max-Forwards: 70.
From: "abhishek" <sip:admin@abc.com>;tag=93d6b660540f40338f9ed66f946ae11a.
To: <sip:hari@abc.com>;tag=94d1930ec5b84d5bbd1241ce9feab364.
Call-ID: b0cac02326d44105aa008f9edd352e8e.
CSeq: 14956 ACK.
Route: <sip:54.191.193.239;transport=tcp;lr;nat=yes>.
User-Agent: Blink 0.9.1.2 (Windows).
Content-Length:  0.
.

#
T 2014/09/04 12:51:34.409438 172.31.47.138:5060 -> 182.64.39.131:59181 [AP]
ACK sip:80523769@192.168.0.6:59180;transport=tcp SIP/2.0.
Via: SIP/2.0/TCP 54.191.193.239:5060;branch=z9hG4bKd247.6fc7f29a9c75230c664d658814fcd105.0;i=f5.
Via: SIP/2.0/TCP 192.168.0.3:3207;received=182.64.39.131;rport=3207;branch=z9hG4bKPj093d16f04a8a4220b8dfc62cc00897cc;alias.
Max-Forwards: 69.
From: "abhishek" <sip:admin@abc.com>;tag=93d6b660540f40338f9ed66f946ae11a.
To: <sip:hari@abc.com>;tag=94d1930ec5b84d5bbd1241ce9feab364.
Call-ID: b0cac02326d44105aa008f9edd352e8e.
CSeq: 14956 ACK.
User-Agent: Blink 0.9.1.2 (Windows).
Content-Length:  0.
.

##
T 2014/09/04 12:51:34.573751 182.64.39.131:59181 -> 172.31.47.138:5060 [AP]
SIP/2.0 200 OK.
Via: SIP/2.0/TCP 54.191.193.239:5060;received=54.191.193.239;branch=z9hG4bKd247.56bfe8f59f4bfc2c5f783d4adb3e72e1.0;i=f5.
Via: SIP/2.0/TCP 192.168.0.3:3207;rport=3207;received=182.64.39.131;branch=z9hG4bKPj4a167a7a11654ba7b08ac6dcefa85845;alias.
Record-Route: <sip:54.191.193.239;transport=tcp;lr;nat=yes>.
Call-ID: b0cac02326d44105aa008f9edd352e8e.
From: "abhishek" <sip:admin@abc.com>;tag=93d6b660540f40338f9ed66f946ae11a.
To: <sip:hari@abc.com>;tag=94d1930ec5b84d5bbd1241ce9feab364.
CSeq: 14956 INVITE.
Server: Blink 0.9.1.2 (Windows).
Allow: SUBSCRIBE, NOTIFY, PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, MESSAGE, REFER.
Contact: <sip:80523769@192.168.0.6:59180;transport=tcp>.
Supported: 100rel, replaces, norefersub, gruu.
Content-Type: application/sdp.
Content-Length:   352.
.
v=0.
o=- 3618843693 3618843694 IN IP4 192.168.0.6.
s=Blink 0.9.1.2 (Windows).
t=0 0.
m=audio 50000 RTP/AVP 113 101.
c=IN IP4 192.168.0.6.
a=rtcp:50001.
a=rtpmap:113 opus/48000.
a=fmtp:113 useinbandfec=1.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-15.
a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:y2a4eThKFFtUJ8pdGGQMr/MB0PDTDP0/fFkvK+H1.
a=sendrecv.

##
T 2014/09/04 12:51:34.574344 172.31.47.138:5060 -> 182.64.39.131:3207 [AP]
SIP/2.0 200 OK.
Via: SIP/2.0/TCP 192.168.0.3:3207;rport=3207;received=182.64.39.131;branch=z9hG4bKPj4a167a7a11654ba7b08ac6dcefa85845;alias.
Record-Route: <sip:54.191.193.239;transport=tcp;lr;nat=yes>.
Call-ID: b0cac02326d44105aa008f9edd352e8e.
From: "abhishek" <sip:admin@abc.com>;tag=93d6b660540f40338f9ed66f946ae11a.
To: <sip:hari@abc.com>;tag=94d1930ec5b84d5bbd1241ce9feab364.
CSeq: 14956 INVITE.
Server: Blink 0.9.1.2 (Windows).
Allow: SUBSCRIBE, NOTIFY, PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, MESSAGE, REFER.
Contact: <sip:80523769@192.168.0.6:59180;transport=tcp;alias=182.64.39.131~59181~2>.
Supported: 100rel, replaces, norefersub, gruu.
Content-Type: application/sdp.
Content-Length:   352.
.
v=0.
o=- 3618843693 3618843694 IN IP4 192.168.0.6.
s=Blink 0.9.1.2 (Windows).
t=0 0.
m=audio 50000 RTP/AVP 113 101.
c=IN IP4 192.168.0.6.
a=rtcp:50001.
a=rtpmap:113 opus/48000.
a=fmtp:113 useinbandfec=1.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-15.
a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:y2a4eThKFFtUJ8pdGGQMr/MB0PDTDP0/fFkvK+H1.
a=sendrecv.

#
T 2014/09/04 12:51:34.778979 182.64.39.131:59181 -> 172.31.47.138:5060 [A]
......
#
T 2014/09/04 12:51:34.912960 182.64.39.131:3207 -> 172.31.47.138:5060 [AP]
ACK sip:80523769@192.168.0.6:59180;transport=tcp;alias=182.64.39.131~59181~2 SIP/2.0.
Via: SIP/2.0/TCP 192.168.0.3:3207;rport;branch=z9hG4bKPj093d16f04a8a4220b8dfc62cc00897cc;alias.
Max-Forwards: 70.
From: "abhishek" <sip:admin@abc.com>;tag=93d6b660540f40338f9ed66f946ae11a.
To: <sip:hari@abc.com>;tag=94d1930ec5b84d5bbd1241ce9feab364.
Call-ID: b0cac02326d44105aa008f9edd352e8e.
CSeq: 14956 ACK.
Route: <sip:54.191.193.239;transport=tcp;lr;nat=yes>.
User-Agent: Blink 0.9.1.2 (Windows).
Content-Length:  0.
.

##
T 2014/09/04 12:51:34.913953 172.31.47.138:5060 -> 182.64.39.131:59181 [AP]
ACK sip:80523769@192.168.0.6:59180;transport=tcp SIP/2.0.
Via: SIP/2.0/TCP 54.191.193.239:5060;branch=z9hG4bKd247.6fc7f29a9c75230c664d658814fcd105.0;i=f5.
Via: SIP/2.0/TCP 192.168.0.3:3207;received=182.64.39.131;rport=3207;branch=z9hG4bKPj093d16f04a8a4220b8dfc62cc00897cc;alias.
Max-Forwards: 69.
From: "abhishek" <sip:admin@abc.com>;tag=93d6b660540f40338f9ed66f946ae11a.
To: <sip:hari@abc.com>;tag=94d1930ec5b84d5bbd1241ce9feab364.
Call-ID: b0cac02326d44105aa008f9edd352e8e.
CSeq: 14956 ACK.
User-Agent: Blink 0.9.1.2 (Windows).
Content-Length:  0.
.

#
T 2014/09/04 12:51:35.502496 172.31.47.138:5060 -> 182.64.39.131:59181 [AP]
ACK sip:80523769@192.168.0.6:59180;transport=tcp SIP/2.0.
Via: SIP/2.0/TCP 54.191.193.239:5060;branch=z9hG4bKd247.6fc7f29a9c75230c664d658814fcd105.0;i=f5.
Via: SIP/2.0/TCP 192.168.0.3:3207;received=182.64.39.131;rport=3207;branch=z9hG4bKPj093d16f04a8a4220b8dfc62cc00897cc;alias.
Max-Forwards: 69.
From: "abhishek" <sip:admin@abc.com>;tag=93d6b660540f40338f9ed66f946ae11a.
To: <sip:hari@abc.com>;tag=94d1930ec5b84d5bbd1241ce9feab364.
Call-ID: b0cac02326d44105aa008f9edd352e8e.
CSeq: 14956 ACK.
User-Agent: Blink 0.9.1.2 (Windows).
Content-Length:  0.
.

#
T 2014/09/04 12:51:36.094501 172.31.47.138:5060 -> 182.64.39.131:59181 [AP]
ACK sip:80523769@192.168.0.6:59180;transport=tcp SIP/2.0.
Via: SIP/2.0/TCP 54.191.193.239:5060;branch=z9hG4bKd247.6fc7f29a9c75230c664d658814fcd105.0;i=f5.
Via: SIP/2.0/TCP 192.168.0.3:3207;received=182.64.39.131;rport=3207;branch=z9hG4bKPj093d16f04a8a4220b8dfc62cc00897cc;alias.
Max-Forwards: 69.
From: "abhishek" <sip:admin@abc.com>;tag=93d6b660540f40338f9ed66f946ae11a.
To: <sip:hari@abc.com>;tag=94d1930ec5b84d5bbd1241ce9feab364.
Call-ID: b0cac02326d44105aa008f9edd352e8e.
CSeq: 14956 ACK.
User-Agent: Blink 0.9.1.2 (Windows).
Content-Length:  0.
.

###
T 2014/09/04 12:51:44.484915 182.64.39.131:3207 -> 172.31.47.138:5060 [AP]
BYE sip:80523769@192.168.0.6:59180;transport=tcp;alias=182.64.39.131~59181~2 SIP/2.0.
Via: SIP/2.0/TCP 192.168.0.3:3207;rport;branch=z9hG4bKPj7f11c7ed0bae49b285640607420e8251;alias.
Max-Forwards: 70.
From: "abhishek" <sip:admin@abc.com>;tag=93d6b660540f40338f9ed66f946ae11a.
To: <sip:hari@abc.com>;tag=94d1930ec5b84d5bbd1241ce9feab364.
Call-ID: b0cac02326d44105aa008f9edd352e8e.
CSeq: 14957 BYE.
Route: <sip:54.191.193.239;transport=tcp;lr;nat=yes>.
User-Agent: Blink 0.9.1.2 (Windows).
Content-Length:  0.
.

##
T 2014/09/04 12:51:44.486679 172.31.47.138:5060 -> 182.64.39.131:59181 [AP]
BYE sip:80523769@192.168.0.6:59180;transport=tcp SIP/2.0.
Via: SIP/2.0/TCP 54.191.193.239:5060;branch=z9hG4bKe247.6a1626e164da46d628f73b13d708c96b.0;i=f5.
Via: SIP/2.0/TCP 192.168.0.3:3207;received=182.64.39.131;rport=3207;branch=z9hG4bKPj7f11c7ed0bae49b285640607420e8251;alias.
Max-Forwards: 69.
From: "abhishek" <sip:admin@abc.com>;tag=93d6b660540f40338f9ed66f946ae11a.
To: <sip:hari@abc.com>;tag=94d1930ec5b84d5bbd1241ce9feab364.
Call-ID: b0cac02326d44105aa008f9edd352e8e.
CSeq: 14957 BYE.
User-Agent: Blink 0.9.1.2 (Windows).
Content-Length:  0.
.

#
T 2014/09/04 12:51:44.815901 182.64.39.131:59181 -> 172.31.47.138:5060 [AP]
SIP/2.0 200 OK.
Via: SIP/2.0/TCP 54.191.193.239:5060;received=54.191.193.239;branch=z9hG4bKe247.6a1626e164da46d628f73b13d708c96b.0;i=f5.
Via: SIP/2.0/TCP 192.168.0.3:3207;rport=3207;received=182.64.39.131;branch=z9hG4bKPj7f11c7ed0bae49b285640607420e8251;alias.
Call-ID: b0cac02326d44105aa008f9edd352e8e.
From: "abhishek" <sip:admin@abc.com>;tag=93d6b660540f40338f9ed66f946ae11a.
To: <sip:hari@abc.com>;tag=94d1930ec5b84d5bbd1241ce9feab364.
CSeq: 14957 BYE.
Server: Blink 0.9.1.2 (Windows).
Content-Length:  0.
.

##
T 2014/09/04 12:51:44.816640 172.31.47.138:5060 -> 182.64.39.131:3207 [AP]
SIP/2.0 200 OK.
Via: SIP/2.0/TCP 192.168.0.3:3207;rport=3207;received=182.64.39.131;branch=z9hG4bKPj7f11c7ed0bae49b285640607420e8251;alias.
Call-ID: b0cac02326d44105aa008f9edd352e8e.
From: "abhishek" <sip:admin@abc.com>;tag=93d6b660540f40338f9ed66f946ae11a.
To: <sip:hari@abc.com>;tag=94d1930ec5b84d5bbd1241ce9feab364.
CSeq: 14957 BYE.
Server: Blink 0.9.1.2 (Windows).
Content-Length:  0.
.

#
T 2014/09/04 12:51:45.352809 182.64.39.131:3207 -> 172.31.47.138:5060 [A]
......
#
T 2014/09/04 12:51:47.241230 182.64.39.131:59181 -> 172.31.47.138:5060 [AP]
PUBLISH sip:hari@abc.com SIP/2.0.
Via: SIP/2.0/TCP 192.168.0.6:59181;rport;branch=z9hG4bKPjd05739db2b0d4e50a4917e5a0c86d4b8;alias.
Max-Forwards: 70.
From: "Hari" <sip:hari@abc.com>;tag=6ff49f144b63465ba09cf2152389be9d.
To: "Hari" <sip:hari@abc.com>.
Call-ID: 47794de446374174a07d801f1f2a0965.
CSeq: 1 PUBLISH.
Event: presence.
Expires: 600.
User-Agent: Blink 0.9.1.2 (Windows).
Content-Type: application/pidf+xml.
Content-Length:   759.
.
<?xml version='1.0' encoding='UTF-8'?>
<presence xmlns:dm="urn:ietf:params:xml:ns:pidf:data-model" xmlns:caps="urn:ietf:params:xml:ns:pidf:caps" xmlns:rpid="urn:ietf:params:xml:ns:pidf:rpid" xmlns:agp-pidf="urn:ag-projects:xml:ns:pidf" xmlns="urn:ietf:params:xml:ns:pidf" entity="sip%3Ahari%40abc.com"><tuple id="SID-423f2424f8cc3a5eacb0ebcb52eef7ea"><status><basic>closed</basic><agp-pidf:extended>offline</agp-pidf:extended></status><caps:servcaps/><contact>sip%3Ahari%40abc.com</contact><timestamp>2014-09-04T18:17:14.328500+05:30</timestamp></tuple><dm:person id="PID-423f2424f8cc3a5eacb0ebcb52eef7ea"><rpid:activities><rpid:other>offline</rpid:other></rpid:activities><dm:timestamp>2014-09-04T18:17:14.328500+05:30</dm:timestamp></dm:person></presence>
##
T 2014/09/04 12:51:47.242107 172.31.47.138:5060 -> 182.64.39.131:59181 [AP]
SIP/2.0 407 Proxy Authentication Required.
Via: SIP/2.0/TCP 192.168.0.6:59181;rport=59181;branch=z9hG4bKPjd05739db2b0d4e50a4917e5a0c86d4b8;alias;received=182.64.39.131.
From: "Hari" <sip:hari@abc.com>;tag=6ff49f144b63465ba09cf2152389be9d.
To: "Hari" <sip:hari@abc.com>;tag=16061544dcc5db830f3ff5cfaeeb9db0.682e.
Call-ID: 47794de446374174a07d801f1f2a0965.
CSeq: 1 PUBLISH.
Proxy-Authenticate: Digest realm="abc.com", nonce="VAhhj1QIYGNmIT4Bvfge3Gurx+i9VnaY".
Server: kamailio (4.1.5 (x86_64/linux)).
Content-Length: 0.
.

#
T 2014/09/04 12:51:47.575172 182.64.39.131:59181 -> 172.31.47.138:5060 [AP]
PUBLISH sip:hari@abc.com SIP/2.0.
Via: SIP/2.0/TCP 192.168.0.6:59181;rport;branch=z9hG4bKPj51cb838a71654684bc99143ca42d929b;alias.
Max-Forwards: 70.
From: "Hari" <sip:hari@abc.com>;tag=6ff49f144b63465ba09cf2152389be9d.
To: "Hari" <sip:hari@abc.com>.
Call-ID: 47794de446374174a07d801f1f2a0965.
CSeq: 2 PUBLISH.
Event: presence.
Expires: 600.
User-Agent: Blink 0.9.1.2 (Windows).
Proxy-Authorization: Digest username="hari", realm="abc.com", nonce="VAhhj1QIYGNmIT4Bvfge3Gurx+i9VnaY", uri="sip:hari@abc.com", response="30700144d91c2d6f88b35b3dc6272170".
Content-Type: application/pidf+xml.
Content-Length:   759.
.
<?xml version='1.0' encoding='UTF-8'?>
<presence xmlns:dm="urn:ietf:params:xml:ns:pidf:data-model" xmlns:caps="urn:ietf:params:xml:ns:pidf:caps" xmlns:rpid="urn:ietf:params:xml:ns:pidf:rpid" xmlns:agp-pidf="urn:ag-projects:xml:ns:pidf" xmlns="urn:ietf:params:xml:ns:pidf" entity="sip%3Ahari%40abc.com"><tuple id="SID-423f2424f8cc3a5eacb0ebcb52eef7ea"><status><basic>closed</basic><agp-pidf:extended>offline</agp-pidf:extended></status><caps:servcaps/><contact>sip%3Ahari%40abc.com</contact><timestamp>2014-09-04T18:17:14.328500+05:30</timestamp></tuple><dm:person id="PID-423f2424f8cc3a5eacb0ebcb52eef7ea"><rpid:activities><rpid:other>offline</rpid:other></rpid:activities><dm:timestamp>2014-09-04T18:17:14.328500+05:30</dm:timestamp></dm:person></presence>
#
T 2014/09/04 12:51:47.576515 172.31.47.138:5060 -> 182.64.39.131:59181 [AP]
SIP/2.0 404 Not here.
Via: SIP/2.0/TCP 192.168.0.6:59181;rport=59181;branch=z9hG4bKPj51cb838a71654684bc99143ca42d929b;alias;received=182.64.39.131.
From: "Hari" <sip:hari@abc.com>;tag=6ff49f144b63465ba09cf2152389be9d.
To: "Hari" <sip:hari@abc.com>;tag=16061544dcc5db830f3ff5cfaeeb9db0.29b9.
Call-ID: 47794de446374174a07d801f1f2a0965.
CSeq: 2 PUBLISH.
Server: kamailio (4.1.5 (x86_64/linux)).
Content-Length: 0.
.

#
T 2014/09/04 12:51:47.954792 182.64.39.131:59181 -> 172.31.47.138:5060 [A]
......
#
T 2014/09/04 12:51:51.297577 182.64.39.131:59181 -> 172.31.47.138:5060 [AP]
SUBSCRIBE sip:hari@abc.com SIP/2.0.
Via: SIP/2.0/TCP 192.168.0.6:59181;rport;branch=z9hG4bKPje26aae02a5aa421ea9b1dde05a016fd4;alias.
Max-Forwards: 70.
From: "Hari" <sip:hari@abc.com>;tag=bb028567e3c24d6792830754d4894f7d.
To: <sip:hari@abc.com>.
Contact: <sip:80523769@192.168.0.6:59180;transport=tcp>.
Call-ID: 8cb97ab4f8ba4332b0ca5dbc5d88f389.
CSeq: 14041 SUBSCRIBE.
Event: message-summary.
Expires: 600.
Supported: 100rel, replaces, norefersub, gruu.
Accept: application/simple-message-summary.
Allow-Events: conference, message-summary, dialog, presence, presence.winfo, xcap-diff, dialog.winfo, refer.
User-Agent: Blink 0.9.1.2 (Windows).
Content-Length:  0.
.

#
T 2014/09/04 12:51:51.298522 172.31.47.138:5060 -> 182.64.39.131:59181 [AP]
SIP/2.0 407 Proxy Authentication Required.
Via: SIP/2.0/TCP 192.168.0.6:59181;rport=59181;branch=z9hG4bKPje26aae02a5aa421ea9b1dde05a016fd4;alias;received=182.64.39.131.
From: "Hari" <sip:hari@abc.com>;tag=bb028567e3c24d6792830754d4894f7d.
To: <sip:hari@abc.com>;tag=16061544dcc5db830f3ff5cfaeeb9db0.95ac.
Call-ID: 8cb97ab4f8ba4332b0ca5dbc5d88f389.
CSeq: 14041 SUBSCRIBE.
Proxy-Authenticate: Digest realm="abc.com", nonce="VAhhk1QIYGdyckAkr0vq+jaOzndpKg2N".
Server: kamailio (4.1.5 (x86_64/linux)).
Content-Length: 0.
.

#
T 2014/09/04 12:51:51.629211 182.64.39.131:59181 -> 172.31.47.138:5060 [AP]
SUBSCRIBE sip:hari@abc.com SIP/2.0.
Via: SIP/2.0/TCP 192.168.0.6:59181;rport;branch=z9hG4bKPjb18a553f47ab4eec9f511d927a7bdd95;alias.
Max-Forwards: 70.
From: "Hari" <sip:hari@abc.com>;tag=bb028567e3c24d6792830754d4894f7d.
To: <sip:hari@abc.com>.
Contact: <sip:80523769@192.168.0.6:59180;transport=tcp>.
Call-ID: 8cb97ab4f8ba4332b0ca5dbc5d88f389.
CSeq: 14042 SUBSCRIBE.
Event: message-summary.
Expires: 600.
Supported: 100rel, replaces, norefersub, gruu.
Accept: application/simple-message-summary.
Allow-Events: conference, message-summary, dialog, presence, presence.winfo, xcap-diff, dialog.winfo, refer.
User-Agent: Blink 0.9.1.2 (Windows).
Proxy-Authorization: Digest username="hari", realm="abc.com", nonce="VAhhk1QIYGdyckAkr0vq+jaOzndpKg2N", uri="sip:hari@abc.com", response="a231fc305242b93cbdcbf58d36c67376".
Content-Length:  0.
.

#
T 2014/09/04 12:51:51.630383 172.31.47.138:5060 -> 182.64.39.131:59181 [AP]
SIP/2.0 404 No voicemail service.
Via: SIP/2.0/TCP 192.168.0.6:59181;rport=59181;branch=z9hG4bKPjb18a553f47ab4eec9f511d927a7bdd95;alias;received=182.64.39.131.
From: "Hari" <sip:hari@abc.com>;tag=bb028567e3c24d6792830754d4894f7d.
To: <sip:hari@abc.com>;tag=16061544dcc5db830f3ff5cfaeeb9db0.ddf9.
Call-ID: 8cb97ab4f8ba4332b0ca5dbc5d88f389.
CSeq: 14042 SUBSCRIBE.
Server: kamailio (4.1.5 (x86_64/linux)).
Content-Length: 0.
.

#
T 2014/09/04 12:51:52.001491 182.64.39.131:59181 -> 172.31.47.138:5060 [A]
......
 
Regards
 

On Thu, Sep 4, 2014 at 6:54 PM, Abhishek Saini <abhishek.saini@enukesoftware.com> wrote:
Hi,

Please find attached the output of ngrep for three type of combinations/connections:

key: Blink is the desktop sip client and ntw means network.

blink2blink_same_ntw_successful
webrtc2blink_same_ntw_failed
webrtc2webrtc_same_ntw_successful

We also need to enable webrtc to classic sip phone calls, like on iphones/desktops etc. I could not find a good tutorial on rtpengine, and the steps to replace rtpproxy with rtpengine.

Please suggest me on this.

Regards,
Abhishek

 






On Thu, Sep 4, 2014 at 6:02 PM, Daniel-Constantin Mierla <miconda@gmail.com> wrote:
Hello,

maybe you can send to mailing list the output of ngrep so we can look and check if a rtp relay is used.

If you need to bridge webrtc to classic sip phone, you have to use rtpengine.

Cheers,
Daniel


On 04/09/14 13:01, Abhishek Saini wrote:
Hi Daniel,

Thanks, i was able to use the command you provided, but did not find the chunks you have specified(a=nortproxy:yes (iirc)) in the data. Checked by calling from webrtc client to a desktop client(blink).

When is rtpproxy used though? Kamailio says that it only transmits SIP signals and has not much to do with the media(voice or video). So, that means, it utilizes the rtpproxy to transmit the SIP signals(for non-symmetric NAT), If so then i think, the rtpproxy is working fine, as i have always been able to make and receive calls and only the media (voice or video) are not working (cross network).

I have also setup webrtc - it's working fine (firefox to firefox) but when i call from firefox to desktop client, it does not work(only rings, but does not connect).
I read about webrtc_breaker but there does not seem to be a module for that in kamailio.

I think these two issues are somehow interlinked, please suggest me on this.

Regards,
Abhishek


On Thu, Sep 4, 2014 at 1:28 PM, Daniel-Constantin Mierla <miconda@gmail.com> wrote:
Hello,


On 04/09/14 09:20, Abhishek Saini wrote:
Hi Daniel,

Thanks for reply.

I did install patched rtpproxy and did configure it the way you have described (advertising address - found that after posting the comment). But it still does not seem to work.

I don't quite know how can i debug, if rtpproxy is actually being used.
use ngrep to look at sip traffic, like:

ngrep -d any -qt -W byline port 5060

If rtpproxy was enforced, you should see a=nortproxy:yes (iirc) in the SDP. Also, the media IP in SDP should change from incoming INVITE to what is sent out in the IP of rtpproxy.

Cheers,
Daniel



Regards,
Abhishek



On Thu, Sep 4, 2014 at 12:34 PM, Daniel-Constantin Mierla <miconda@gmail.com> wrote:
Hello,

no time to look at config, but if you run the sip server on a private IP behind a port forwarding address, you have to use also rtpproxy with advertising address -- see the second parameter of rtpproxy_manage() or search on the web for a patch to rtpproxy to add advertising address via command line parameter.

Cheers,
Daniel


On 03/09/14 12:23, Abhishek Saini wrote:
Hi,

I have setup kamailio 4.1.0 on an EC2 xlarge instance. The voice and video calls seem to work well when both the devices are connected to the same network, however, when one device connects to a different network (the two devices now are on different networks), they are able to register on SIP server, and even call can be triggered and accepted between the two devices but there is no video/audio transmission.

I have setup rtpproxy but i don't know whether it's working or not.

Any help on this would be highly appreciated.


Following is my kamailio.cfg file:

--
Daniel-Constantin Mierla
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Next Kamailio Advanced Trainings 2014 - http://www.asipto.com
Sep 22-25, Berlin, Germany


_______________________________________________
SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
sr-users@lists.sip-router.org
http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users


-- 
Daniel-Constantin Mierla
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Next Kamailio Advanced Trainings 2014 - http://www.asipto.com
Sep 22-25, Berlin, Germany


-- 
Daniel-Constantin Mierla
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Next Kamailio Advanced Trainings 2014 - http://www.asipto.com
Sep 22-25, Berlin, Germany