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SIP Stack (1 of 3)

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20 Aug 2012CPOL3 min read 30.1K   1.7K   4  
SIP Stack Implementation on the basis of RFC SIP 3261 Specification
 
#BEGIN
CANCEL sip:192.168.1.2 SIP/2.0
Via: SIP/2.0/UDP 172.21.10.144;branch=z9hG4bKac150a900000010d4d2fdd330000199e00000002;rport
From: "unknown" <sip:172.21.10.144>;tag=687a4d52a8bd
To: <sip:192.168.1.2>
Call-ID: BBE579A97D0C46A293266D05B528ACD00xac150a90
CSeq: 1 CANCEL
Max-Forwards: 70
User-Agent: SJphone/1.65.377a (SJ Labs)
Content-Length: 0

hatim

#END$
#BEGIN
SIP/2.0 200 OK
Via: SIP/2.0/UDP bigbox3.site3.atlanta.com;branch=z9hG4bK77ef4c2312983.1;received=192.0.2.2
Via: SIP/2.0/UDP pc33.atlanta.com;branch=z9hG4bKnashds8;received=192.0.2.1
To: Bob <sip:bob@biloxi.com>;tag=a6c85cf
From: Alice <sip:alice@atlanta.com>;tag=1928301774
Call-ID: a84b4c76e66710
CSeq: 314159 INVITE
Contact: <sip:bob@192.0.2.4>
Content-Type: application/sdp
Content-Length: 131

a v h 
a b c

#END$
#BEGIN
INVITE sip:192.168.1.2 SIP/2.0
Via: SIP/2.0/UDP 172.21.10.144;branch=z9hG4bKac150a900000001a4d3434b6000079ea00000000;rport
From: "unknown" <sip:172.21.10.144>;tag=5cd45e488344
To: <sip:192.168.1.2>
Contact: <sip:172.21.10.144>
Call-ID: 9BD8CD3BC7BB4876B8A3ADFFAD03569A0xac150a90
CSeq: 1 INVITE
Max-Forwards: 70
User-Agent: SJphone/1.65.377a (SJ Labs)
Content-Length: 368
Content-Type: application/sdp
Supported: replaces,norefersub,timer

v=0
o=- 3504255798 3504255798 IN IP4 172.21.10.144
s=SJphone
c=IN IP4 172.21.10.144
t=0 0
m=audio 49152 RTP/AVP 3 97 98 8 0 101
c=IN IP4 172.21.10.144
a=rtpmap:3 GSM/8000
a=rtpmap:97 iLBC/8000
a=rtpmap:98 iLBC/8000
a=fmtp:98 mode=20
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=setup:active
a=sendrecv

#END$
#BEGIN
INVITE sip:3101@192.168.56.1 SIP/2.0
Via: SIP/2.0/UDP 192.168.56.1:28858;branch=z9hG4bK-d8754z-0fdd951806cd4762-1---d8754z-;rport
Max-Forwards: 70
Contact: <sip:7000@192.168.56.1:28858>
To: <sip:3101@192.168.56.1>
From: "7000"<sip:7000@182.168.1.177>;tag=29dba4f0
Call-ID: NmFmOWRiYzA3ODY0NmE0MmRhOTM0ZTg1YWE1MDEyMDQ.
CSeq: 1 INVITE
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO
Content-Type: application/sdp
Supported: replaces
User-Agent: X-Lite 4 release 4.1 stamp 63214
Content-Length: 410

v=0
o=- 12984212154343685 1 IN IP4 182.168.1.177
s=CounterPath X-Lite 4.1
c=IN IP4 182.168.1.177
t=0 0
a=ice-ufrag:9c047c
a=ice-pwd:e2738cc806342eec10a66f9fef483dcc
m=audio 62398 RTP/AVP 107 0 8 101
a=rtpmap:107 BV32/16000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
a=sendrecv
a=candidate:1 1 UDP 659136 182.168.1.177 62398 typ host
a=candidate:1 2 UDP 659134 182.168.1.177 62399 typ host

#END$
#BEGIN
REGISTER sip:182.168.1.160 SIP/2.0
Via: SIP/2.0/UDP 182.168.1.177:15440;branch=z9hG4bK-d8754z-5e9424f72e4b4e1c-1---d8754z-;rport
Max-Forwards: 70
Contact: <sip:7000@182.168.1.177:15440;rinstance=58f4c616c713dfbe>
To: "7000"<sip:7000@182.168.1.160>
From: "7000"<sip:7000@182.168.1.160>;tag=6623053d
Call-ID: NTYyYzYyMDAyY2VkYjA4MmQ5NTA2N2QyYTk1NmJhYTY.
CSeq: 1 REGISTER
Expires: 3600
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO
User-Agent: X-Lite 4 release 4.1 stamp 63214
Content-Length: 0

#END$
#BEGIN
SIP/2.0 401 Unauthorized
Via: SIP/2.0/UDP 182.168.1.177:15440;branch=z9hG4bK-d8754z-5e9424f72e4b4e1c-1---d8754z-;received=182.168.1.177;rport=15440
From: "7000"<sip:7000@182.168.1.160>;tag=6623053d
To: "7000"<sip:7000@182.168.1.160>;tag=as0ff006a0
Call-ID: NTYyYzYyMDAyY2VkYjA4MmQ5NTA2N2QyYTk1NmJhYTY.
CSeq: 1 REGISTER
Server: Asterisk PBX 1.8.11-cert1
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH
Supported: replaces, timer
WWW-Authenticate: Digest algorithm=MD5, realm="asterisk", nonce="01c90dcc"
Content-Length: 0

#END$
#BEGIN
REGISTER sip:182.168.1.160 SIP/2.0
Via: SIP/2.0/UDP 182.168.1.177:15440;branch=z9hG4bK-d8754z-2a2f65990de84256-1---d8754z-;rport
Max-Forwards: 70
Contact: <sip:7000@182.168.1.177:15440;rinstance=58f4c616c713dfbe>
To: "7000"<sip:7000@182.168.1.160>
From: "7000"<sip:7000@182.168.1.160>;tag=6623053d
Call-ID: NTYyYzYyMDAyY2VkYjA4MmQ5NTA2N2QyYTk1NmJhYTY.
CSeq: 2 REGISTER
Expires: 3600
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO
User-Agent: X-Lite 4 release 4.1 stamp 63214
Authorization: Digest username="7000",realm="asterisk",nonce="01c90dcc",uri="sip:182.168.1.160",response="6be6d39582e2f313dac03f765488ce99",algorithm=MD5
Content-Length: 0

#END$
#BEGIN
SIP/2.0 200 OK
Via: SIP/2.0/UDP 182.168.1.177:15440;branch=z9hG4bK-d8754z-2a2f65990de84256-1---d8754z-;received=182.168.1.177;rport=15440
From: "7000"<sip:7000@182.168.1.160>;tag=6623053d
To: "7000"<sip:7000@182.168.1.160>;tag=as0ff006a0
Call-ID: NTYyYzYyMDAyY2VkYjA4MmQ5NTA2N2QyYTk1NmJhYTY.
CSeq: 2 REGISTER
Server: Asterisk PBX 1.8.11-cert1
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH
Supported: replaces, timer
Expires: 3600
Contact: <sip:7000@182.168.1.177:15440;rinstance=58f4c616c713dfbe>;expires=3600
Date: Wed, 13 Jun 2012 07:38:13 GMT
Content-Length: 0

#END$
#BEGIN
INVITE sip:8000@182.168.1.160 SIP/2.0
Via: SIP/2.0/UDP 182.168.1.177:7292;branch=z9hG4bK-d8754z-7ab65b62619df43d-1---d8754z-;rport
Max-Forwards: 70
Contact: <sip:7000@182.168.1.177:7292>
To: <sip:8000@182.168.1.160>
From: "7000"<sip:7000@182.168.1.160>;tag=fa3f2070
Call-ID: Y2E0MjlhNTg4NDRhOGRiMjVlODVlOWM1ZTY1Njk4ZDk.
CSeq: 1 INVITE
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO
Content-Type: application/sdp
Supported: replaces
User-Agent: X-Lite 4 release 4.1 stamp 63214
Content-Length: 410

v=0
o=- 12984488753457975 1 IN IP4 182.168.1.177
s=CounterPath X-Lite 4.1
c=IN IP4 182.168.1.177
t=0 0
a=ice-ufrag:26bed8
a=ice-pwd:ed1c9ddd31054923e4bc1337f1dfe411
m=audio 60608 RTP/AVP 107 0 8 101
a=rtpmap:107 BV32/16000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
a=sendrecv
a=candidate:1 1 UDP 659136 182.168.1.177 60608 typ host
a=candidate:1 2 UDP 659134 182.168.1.177 60609 typ host

#END$
#BEGIN
INVITE sip:8000@182.168.1.160 SIP/2.0
Via: SIP/2.0/UDP 182.168.1.177:7292;branch=z9hG4bK-d8754z-7ab65b62619df43d-1---d8754z-;rport
Max-Forwards: 70
Contact: <sip:7000@182.168.1.177:7292>
To: <sip:8000@182.168.1.160>
From: "7000"<sip:7000@182.168.1.160>;tag=fa3f2070
Call-ID: Y2E0MjlhNTg4NDRhOGRiMjVlODVlOWM1ZTY1Njk4ZDk.
CSeq: 1 INVITE
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO
Content-Type: application/sdp
Supported: replaces
User-Agent: X-Lite 4 release 4.1 stamp 63214
Content-Length: 410

v=0
o=- 12984488753457975 1 IN IP4 182.168.1.177
s=CounterPath X-Lite 4.1
c=IN IP4 182.168.1.177
t=0 0
a=ice-ufrag:26bed8
a=ice-pwd:ed1c9ddd31054923e4bc1337f1dfe411
m=audio 60608 RTP/AVP 107 0 8 101
a=rtpmap:107 BV32/16000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
a=sendrecv
a=candidate:1 1 UDP 659136 182.168.1.177 60608 typ host
a=candidate:1 2 UDP 659134 182.168.1.177 60609 typ host

#END$
#BEGIN
INVITE sip:8000@182.168.1.160 SIP/2.0
Via: SIP/2.0/UDP 182.168.1.177:7292;branch=z9hG4bK-d8754z-7ab65b62619df43d-1---d8754z-;rport
Max-Forwards: 70
Contact: <sip:7000@182.168.1.177:7292>
To: <sip:8000@182.168.1.160>
From: "7000"<sip:7000@182.168.1.160>;tag=fa3f2070
Call-ID: Y2E0MjlhNTg4NDRhOGRiMjVlODVlOWM1ZTY1Njk4ZDk.
CSeq: 1 INVITE
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO
Content-Type: application/sdp
Supported: replaces
User-Agent: X-Lite 4 release 4.1 stamp 63214
Content-Length: 410

v=0
o=- 12984488753457975 1 IN IP4 182.168.1.177
s=CounterPath X-Lite 4.1
c=IN IP4 182.168.1.177
t=0 0
a=ice-ufrag:26bed8
a=ice-pwd:ed1c9ddd31054923e4bc1337f1dfe411
m=audio 60608 RTP/AVP 107 0 8 101
a=rtpmap:107 BV32/16000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
a=sendrecv
a=candidate:1 1 UDP 659136 182.168.1.177 60608 typ host
a=candidate:1 2 UDP 659134 182.168.1.177 60609 typ host

#END$
#BEGIN
REGISTER sip:182.168.1.160 SIP/2.0
Via: SIP/2.0/UDP 182.168.1.177:5060;branch=z9hG4bK-ed82fcbb-3223-47ad-afa3-e2ead4ed0460; rport
Max-Forwards: 70
Contact: <sip:hatim@182.168.1.177:5060>
To: "hatim"<sip:hatim@182.168.1.160:5060>
From: "hatim"<sip:hatim@182.168.1.160:5060>;tag=56e44dfb
Call-ID: 4433f8c4-c27e-4447-9d88-004086939c13
CSeq: 1 REGISTER
Expires: 3600
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO
User-Agent: MySIPClient
Content-Length: 0

#END$
#BEGIN
REGISTER sip:182.168.1.160 SIP/2.0
Via: SIP/2.0/UDP 182.168.1.177:5060;branch=z9hG4bK-d8754z-dd7256a17985956c-1---d8754z-;rport
Max-Forwards: 70
Contact: <sip:7000@182.168.1.177:5060;rinstance=3d0b101e9ac10900>
To: "7000"<sip:7000@182.168.1.160>
From: "7000"<sip:7000@182.168.1.160>;tag=a5e6b42e
Call-ID: NjNkYzM4ZTVkNzBlZDZkYmM2N2NiMjUyNTM4ZTJmYTA.
CSeq: 1 REGISTER
Expires: 3600
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO
User-Agent: X-Lite 4 release 4.1 stamp 63214
Content-Length: 0

#END$
#BEGIN

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Written By
Hatim Haidry
Architect
India India
Hatim Haidry

VC++, Technical Architect

India

haidryhatim@gmail.com

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Posted 20 Aug 2012

Article Copyright 2012 by Hatim Haidry
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