06:28:16.964209 IP (tos 0x68, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 1286)
    localhost..6060 > localhost..5060: SIP, length: 1258
	INVITE sip:op2@192.168.20.50 SIP/2.0
	Via: SIP/2.0/UDP 127.0.0.1:6060;rport;branch=z9hG4bK1303151064
	From: <sip:00@192.168.20.40>;tag=1337086100
	To: <sip:op2@192.168.20.50>
	Call-ID: 1509161711
	CSeq: 20 INVITE
	Contact: <sip:00@127.0.0.1:6060>
	Content-Type: application/sdp
	Allow: INVITE,ACK,BYE,CANCEL,OPTIONS,REFER,NOTIFY,INFO,UPDATE,PRACK,SUBSCRIBE
	Max-Forwards: 70
	User-Agent: eXosip/5.3.0
	X-Endpoint-Type: DS
	Allow-Events: conference
	Supported: replaces,timer,100rel
	Content-Length:   750
	
	v=0
	o=gateway 0 20 IN IP4 192.168.20.50
	s=conversation
	c=IN IP4 192.168.20.50
	t=0 0
	m=audio 10004 RTP/SAVP 8 0 4 18 101 13 98
	a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:bKid/p07SuKxbfAzMdht7cmvMItWXLNnvF/HB8iW
	a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:fpp8ZN7SRwAKdg5TQbZxcEUDL+2W+oeu352s2Eyz
	a=rtpmap:8 PCMA/8000
	a=rtpmap:0 PCMU/8000
	a=rtpmap:4 G723/8000
	a=rtpmap:18 G729/8000
	a=rtpmap:101 telephone-event/8000
	a=fmtp:101 0-15
	a=rtpmap:13 CN/8000
	a=rtpmap:98 PCMA/8000
	a=gpmd:98 vbd=yes
	m=audio 10004 RTP/AVP 8 0 4 18 101 13 98
	a=rtpmap:8 PCMA/8000
	a=rtpmap:0 PCMU/8000
	a=rtpmap:4 G723/8000
	a=rtpmap:18 G729/8000
	a=rtpmap:101 telephone-event/8000
	a=fmtp:101 0-15
	a=rtpmap:13 CN/8000
	a=rtpmap:98 PCMA/8000
	a=gpmd:98 vbd=yes
06:28:16.984378 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 1480)
    localhost..5060 > localhost..6060: SIP, length: 1452
	INVITE sip:op2@127.0.0.1:6060;transport=udp SIP/2.0
	Via: SIP/2.0/UDP 127.0.0.1:5060;branch=z9hG4bK-524287-1---f1ec80536f884a69;rport
	Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK1303151064
	Max-Forwards: 69
	Record-Route: <sip:192.168.20.50:5060;transport=udp;lr>
	Contact: <sip:00@127.0.0.1:6060>
	To: <sip:op2@192.168.20.50>
	From: <sip:00@192.168.20.40>;tag=1337086100
	Call-ID: 1509161711
	CSeq: 20 INVITE
	Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, REFER, NOTIFY, INFO, UPDATE, PRACK, SUBSCRIBE
	Content-Type: application/sdp
	Supported: replaces, timer, 100rel
	User-Agent: eXosip/5.3.0
	Allow-Events: conference
	X-Endpoint-Type: DS
	X-Secure-Transport: yes
	Content-Length: 750
	
	v=0
	o=gateway 0 20 IN IP4 192.168.20.50
	s=conversation
	c=IN IP4 192.168.20.50
	t=0 0
	m=audio 10004 RTP/SAVP 8 0 4 18 101 13 98
	a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:bKid/p07SuKxbfAzMdht7cmvMItWXLNnvF/HB8iW
	a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:fpp8ZN7SRwAKdg5TQbZxcEUDL+2W+oeu352s2Eyz
	a=rtpmap:8 PCMA/8000
	a=rtpmap:0 PCMU/8000
	a=rtpmap:4 G723/8000
	a=rtpmap:18 G729/8000
	a=rtpmap:101 telephone-event/8000
	a=fmtp:101 0-15
	a=rtpmap:13 CN/8000
	a=rtpmap:98 PCMA/8000
	a=gpmd:98 vbd=yes
	m=audio 10004 RTP/AVP 8 0 4 18 101 13 98
	a=rtpmap:8 PCMA/8000
	a=rtpmap:0 PCMU/8000
	a=rtpmap:4 G723/8000
	a=rtpmap:18 G729/8000
	a=rtpmap:101 telephone-event/8000
	a=fmtp:101 0-15
	a=rtpmap:13 CN/8000
	a=rtpmap:98 PCMA/8000
	a=gpmd:98 vbd=yes
06:28:16.994422 IP (tos 0x68, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 363)
    localhost..6060 > localhost..5060: SIP, length: 335
	SIP/2.0 100 Trying
	Via: SIP/2.0/UDP 127.0.0.1:5060;branch=z9hG4bK-524287-1---f1ec80536f884a69;rport=5060
	Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK1303151064
	From: <sip:00@192.168.20.40>;tag=1337086100
	To: <sip:op2@192.168.20.50>
	Call-ID: 1509161711
	CSeq: 20 INVITE
	User-Agent: eXosip/5.3.0
	Content-Length: 0
	
06:28:17.040422 IP (tos 0x68, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 683)
    localhost..6060 > localhost..5060: SIP, length: 655
	SIP/2.0 180 Ringing
	Via: SIP/2.0/UDP 127.0.0.1:5060;branch=z9hG4bK-524287-1---f1ec80536f884a69;rport=5060
	Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK1303151064
	Record-Route: <sip:192.168.20.50:5060;transport=udp;lr>
	From: <sip:00@192.168.20.40>;tag=1337086100
	To: <sip:op2@192.168.20.50>;tag=262572050
	Call-ID: 1509161711
	CSeq: 20 INVITE
	Contact: <sip:op2@127.0.0.1:6060>
	Allow: INVITE,ACK,BYE,CANCEL,OPTIONS,REFER,NOTIFY,INFO,UPDATE,PRACK,SUBSCRIBE
	User-Agent: eXosip/5.3.0
	Allow-Events: conference
	Supported: replaces,timer,100rel
	P-Asserted-Identity: <sip:op2@192.168.20.50>
	Require: 100rel
	RSeq: 100
	Content-Length: 0
	
06:28:17.056229 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 250)
    localhost..5060 > localhost..6060: SIP, length: 222
	SIP/2.0 100 Trying
	Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK1303151064
	To: <sip:op2@192.168.20.50>
	From: <sip:00@192.168.20.40>;tag=1337086100
	Call-ID: 1509161711
	CSeq: 20 INVITE
	Content-Length: 0
	
06:28:17.058952 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 608)
    localhost..5060 > localhost..6060: SIP, length: 580
	SIP/2.0 180 Ringing
	Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK1303151064
	Record-Route: <sip:192.168.20.50:5060;transport=udp;lr>
	Require: 100rel
	Contact: <sip:op2@127.0.0.1:6060>
	To: <sip:op2@192.168.20.50>;tag=262572050
	From: <sip:00@192.168.20.40>;tag=1337086100
	Call-ID: 1509161711
	CSeq: 20 INVITE
	Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, REFER, NOTIFY, INFO, UPDATE, PRACK, SUBSCRIBE
	Supported: replaces, timer, 100rel
	User-Agent: eXosip/5.3.0
	Allow-Events: conference
	RSeq: 100
	P-Asserted-Identity: <sip:op2@192.168.20.50>
	Content-Length: 0
	
06:28:17.079254 IP (tos 0x68, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 424)
    localhost..6060 > localhost..5060: SIP, length: 396
	PRACK sip:op2@127.0.0.1:6060 SIP/2.0
	Via: SIP/2.0/UDP 127.0.0.1:6060;rport;branch=z9hG4bK515554131
	Route: <sip:192.168.20.50:5060;transport=udp;lr>
	From: <sip:00@192.168.20.40>;tag=1337086100
	To: <sip:op2@192.168.20.50>;tag=262572050
	Call-ID: 1509161711
	CSeq: 21 PRACK
	Contact: <sip:00@127.0.0.1:6060>
	Max-Forwards: 70
	User-Agent: eXosip/5.3.0
	RAck: 100 20 INVITE
	Content-Length: 0
	
06:28:17.090727 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 461)
    localhost..5060 > localhost..6060: SIP, length: 433
	PRACK sip:op2@127.0.0.1:6060 SIP/2.0
	Via: SIP/2.0/UDP 127.0.0.1:5060;branch=z9hG4bK-524287-1---68eacd0702da9a59;rport
	Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK515554131
	Max-Forwards: 69
	Contact: <sip:00@127.0.0.1:6060>
	To: <sip:op2@192.168.20.50>;tag=262572050
	From: <sip:00@192.168.20.40>;tag=1337086100
	Call-ID: 1509161711
	CSeq: 21 PRACK
	User-Agent: eXosip/5.3.0
	RAck: 100 20 INVITE
	Content-Length: 0
	
06:28:17.102765 IP (tos 0x68, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 613)
    localhost..6060 > localhost..5060: SIP, length: 585
	SIP/2.0 200 OK
	Via: SIP/2.0/UDP 127.0.0.1:5060;branch=z9hG4bK-524287-1---68eacd0702da9a59;rport=5060
	Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK515554131
	From: <sip:00@192.168.20.40>;tag=1337086100
	To: <sip:op2@192.168.20.50>;tag=262572050
	Call-ID: 1509161711
	CSeq: 21 PRACK
	Contact: <sip:op2@127.0.0.1:6060>
	Allow: INVITE,ACK,BYE,CANCEL,OPTIONS,REFER,NOTIFY,INFO,UPDATE,PRACK,SUBSCRIBE
	User-Agent: eXosip/5.3.0
	Allow-Events: conference
	Supported: replaces,timer,100rel
	X-Endpoint-Type: FXS
	P-Asserted-Identity: <sip:op2@192.168.20.50>
	Content-Length: 0
	
06:28:17.110361 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 538)
    localhost..5060 > localhost..6060: SIP, length: 510
	SIP/2.0 200 OK
	Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK515554131
	Contact: <sip:op2@127.0.0.1:6060>
	To: <sip:op2@192.168.20.50>;tag=262572050
	From: <sip:00@192.168.20.40>;tag=1337086100
	Call-ID: 1509161711
	CSeq: 21 PRACK
	Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, REFER, NOTIFY, INFO, UPDATE, PRACK, SUBSCRIBE
	Supported: replaces, timer, 100rel
	User-Agent: eXosip/5.3.0
	Allow-Events: conference
	P-Asserted-Identity: <sip:op2@192.168.20.50>
	X-Endpoint-Type: FXS
	Content-Length: 0
	
06:28:18.871802 IP (tos 0x68, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 1102)
    localhost..6060 > localhost..5060: SIP, length: 1074
	SIP/2.0 200 OK
	Via: SIP/2.0/UDP 127.0.0.1:5060;branch=z9hG4bK-524287-1---f1ec80536f884a69;rport=5060
	Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK1303151064
	Record-Route: <sip:192.168.20.50:5060;transport=udp;lr>
	From: <sip:00@192.168.20.40>;tag=1337086100
	To: <sip:op2@192.168.20.50>;tag=262572050
	Call-ID: 1509161711
	CSeq: 20 INVITE
	Contact: <sip:op2@127.0.0.1:6060>
	Content-Type: application/sdp
	Allow: INVITE,ACK,BYE,CANCEL,OPTIONS,REFER,NOTIFY,INFO,UPDATE,PRACK,SUBSCRIBE
	User-Agent: eXosip/5.3.0
	Allow-Events: conference
	Supported: replaces,timer,100rel
	X-Endpoint-Type: FXS
	P-Asserted-Identity: <sip:op2@192.168.20.50>
	Content-Length:   395
	
	v=0
	o=gateway 0 0 IN IP4 192.168.20.50
	s=conversation
	c=IN IP4 192.168.20.50
	t=0 0
	m=audio 10002 RTP/SAVP 8 101 13 98
	a=rtpmap:8 PCMA/8000
	a=rtpmap:101 telephone-event/8000
	a=fmtp:101 0-15
	a=rtpmap:13 CN/8000
	a=rtpmap:98 PCMA/8000
	a=gpmd:98 vbd=yes
	a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:dSb4bxo37AbA+sHfe3e8UEvqokXIB6xzZWVcFEr9
	a=sendrecv
	m=audio 0 RTP/AVP 8 0 4 18 101 13 98
06:28:18.893560 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 1025)
    localhost..5060 > localhost..6060: SIP, length: 997
	SIP/2.0 200 OK
	Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK1303151064
	Record-Route: <sip:192.168.20.50:5060;transport=udp;lr>
	Contact: <sip:op2@127.0.0.1:6060>
	To: <sip:op2@192.168.20.50>;tag=262572050
	From: <sip:00@192.168.20.40>;tag=1337086100
	Call-ID: 1509161711
	CSeq: 20 INVITE
	Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, REFER, NOTIFY, INFO, UPDATE, PRACK, SUBSCRIBE
	Content-Type: application/sdp
	Supported: replaces, timer, 100rel
	User-Agent: eXosip/5.3.0
	Allow-Events: conference
	P-Asserted-Identity: <sip:op2@192.168.20.50>
	X-Endpoint-Type: FXS
	Content-Length: 395
	
	v=0
	o=gateway 0 0 IN IP4 192.168.20.50
	s=conversation
	c=IN IP4 192.168.20.50
	t=0 0
	m=audio 10002 RTP/SAVP 8 101 13 98
	a=rtpmap:8 PCMA/8000
	a=rtpmap:101 telephone-event/8000
	a=fmtp:101 0-15
	a=rtpmap:13 CN/8000
	a=rtpmap:98 PCMA/8000
	a=gpmd:98 vbd=yes
	a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:dSb4bxo37AbA+sHfe3e8UEvqokXIB6xzZWVcFEr9
	a=sendrecv
	m=audio 0 RTP/AVP 8 0 4 18 101 13 98
06:28:18.913015 IP (tos 0x68, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 399)
    localhost..6060 > localhost..5060: SIP, length: 371
	ACK sip:op2@127.0.0.1:6060 SIP/2.0
	Via: SIP/2.0/UDP 127.0.0.1:6060;rport;branch=z9hG4bK828320634
	Route: <sip:192.168.20.50:5060;transport=udp;lr>
	From: <sip:00@192.168.20.40>;tag=1337086100
	To: <sip:op2@192.168.20.50>;tag=262572050
	Call-ID: 1509161711
	CSeq: 20 ACK
	Contact: <sip:00@127.0.0.1:6060>
	Max-Forwards: 70
	User-Agent: eXosip/5.3.0
	Content-Length: 0
	
06:28:18.927749 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 436)
    localhost..5060 > localhost..6060: SIP, length: 408
	ACK sip:op2@127.0.0.1:6060 SIP/2.0
	Via: SIP/2.0/UDP 127.0.0.1:5060;branch=z9hG4bK-524287-1---6d994338b017db7f;rport
	Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK828320634
	Max-Forwards: 69
	Contact: <sip:00@127.0.0.1:6060>
	To: <sip:op2@192.168.20.50>;tag=262572050
	From: <sip:00@192.168.20.40>;tag=1337086100
	Call-ID: 1509161711
	CSeq: 20 ACK
	User-Agent: eXosip/5.3.0
	Content-Length: 0
	
06:28:19.017293 IP (tos 0x68, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 1298)
    localhost..6060 > localhost..5060: SIP, length: 1270
	INVITE sip:00@192.168.20.40 SIP/2.0
	Via: SIP/2.0/UDP 127.0.0.1:6060;rport;branch=z9hG4bK102163749
	From: <sip:2@192.168.20.40>;tag=776375290
	To: <sip:00@192.168.20.40>
	Call-ID: 1299430351
	CSeq: 20 INVITE
	Contact: <sip:2@127.0.0.1:6060>
	Content-Type: application/sdp
	Allow: INVITE,ACK,BYE,CANCEL,OPTIONS,REFER,NOTIFY,INFO,UPDATE,PRACK,SUBSCRIBE
	Max-Forwards: 70
	User-Agent: eXosip/5.3.0
	X-Endpoint-Type: DS
	Allow-Events: conference
	Supported: replaces,timer,100rel
	Content-Length:   768
	
	v=0
	o=gateway 0 21 IN IP4 192.168.20.50
	s=conversation
	c=IN IP4 0.0.0.0
	t=0 0
	m=audio 10004 RTP/SAVP 8 0 4 18 101 13 98
	a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:DDkfXJBBw0gV0+Te9JCjGNBJZCWxw7dahNBBegIt
	a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:I2ITiCzCt2EPJdHbn0j8zbxLUrtaNEJ627fyOaaT
	a=rtpmap:8 PCMA/8000
	a=rtpmap:0 PCMU/8000
	a=rtpmap:4 G723/8000
	a=rtpmap:18 G729/8000
	a=rtpmap:101 telephone-event/8000
	a=fmtp:101 0-15
	a=rtpmap:13 CN/8000
	a=rtpmap:98 PCMA/8000
	a=gpmd:98 vbd=yes
	a=inactive
	m=audio 10004 RTP/AVP 8 0 4 18 101 13 98
	a=rtpmap:8 PCMA/8000
	a=rtpmap:0 PCMU/8000
	a=rtpmap:4 G723/8000
	a=rtpmap:18 G729/8000
	a=rtpmap:101 telephone-event/8000
	a=fmtp:101 0-15
	a=rtpmap:13 CN/8000
	a=rtpmap:98 PCMA/8000
	a=gpmd:98 vbd=yes
	a=inactive
06:28:19.041139 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 1456)
    192.168.20.50.5060 > 192.168.20.40.5060: SIP, length: 1428
	INVITE sip:00@192.168.20.40 SIP/2.0
	Via: SIP/2.0/UDP 192.168.20.50:5060;branch=z9hG4bK-524287-1---c641bf45b3682d7b;rport
	Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK102163749
	Max-Forwards: 69
	Record-Route: <sip:192.168.20.50:5060;transport=udp;lr>
	Contact: <sip:2@127.0.0.1:6060>
	To: <sip:00@192.168.20.40>
	From: <sip:2@192.168.20.40>;tag=776375290
	Call-ID: 1299430351
	CSeq: 20 INVITE
	Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, REFER, NOTIFY, INFO, UPDATE, PRACK, SUBSCRIBE
	Content-Type: application/sdp
	Supported: replaces, timer, 100rel
	User-Agent: eXosip/5.3.0
	Allow-Events: conference
	X-Endpoint-Type: DS
	Content-Length: 768
	
	v=0
	o=gateway 0 21 IN IP4 192.168.20.50
	s=conversation
	c=IN IP4 0.0.0.0
	t=0 0
	m=audio 10004 RTP/SAVP 8 0 4 18 101 13 98
	a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:DDkfXJBBw0gV0+Te9JCjGNBJZCWxw7dahNBBegIt
	a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:I2ITiCzCt2EPJdHbn0j8zbxLUrtaNEJ627fyOaaT
	a=rtpmap:8 PCMA/8000
	a=rtpmap:0 PCMU/8000
	a=rtpmap:4 G723/8000
	a=rtpmap:18 G729/8000
	a=rtpmap:101 telephone-event/8000
	a=fmtp:101 0-15
	a=rtpmap:13 CN/8000
	a=rtpmap:98 PCMA/8000
	a=gpmd:98 vbd=yes
	a=inactive
	m=audio 10004 RTP/AVP 8 0 4 18 101 13 98
	a=rtpmap:8 PCMA/8000
	a=rtpmap:0 PCMU/8000
	a=rtpmap:4 G723/8000
	a=rtpmap:18 G729/8000
	a=rtpmap:101 telephone-event/8000
	a=fmtp:101 0-15
	a=rtpmap:13 CN/8000
	a=rtpmap:98 PCMA/8000
	a=gpmd:98 vbd=yes
	a=inactive
06:28:19.067915 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 503)
    192.168.20.40.5060 > 192.168.20.50.5060: SIP, length: 475
	SIP/2.0 407 Proxy Authentication Required
	Via: SIP/2.0/UDP 192.168.20.50:5060;branch=z9hG4bK-524287-1---c641bf45b3682d7b;rport=5060
	Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK102163749
	Proxy-Authenticate: Digest nonce="8514:11392ee0f9d52f09b1d7a45827a9163c",algorithm=MD5,realm="192.168.20.40",qop="auth,auth-int"
	To: <sip:00@192.168.20.40>;tag=4f63434a
	From: <sip:2@192.168.20.40>;tag=776375290
	Call-ID: 1299430351
	CSeq: 20 INVITE
	Content-Length: 0
	
06:28:19.076923 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 306)
    192.168.20.50.5060 > 192.168.20.40.5060: SIP, length: 278
	ACK sip:00@192.168.20.40 SIP/2.0
	Via: SIP/2.0/UDP 192.168.20.50:5060;branch=z9hG4bK-524287-1---c641bf45b3682d7b;rport
	Max-Forwards: 70
	To: <sip:00@192.168.20.40>;tag=4f63434a
	From: <sip:2@192.168.20.40>;tag=776375290
	Call-ID: 1299430351
	CSeq: 20 ACK
	Content-Length: 0
	
06:28:19.079963 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 412)
    localhost..5060 > localhost..6060: SIP, length: 384
	SIP/2.0 407 Proxy Authentication Required
	Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK102163749
	Proxy-Authenticate: Digest nonce="8514:11392ee0f9d52f09b1d7a45827a9163c",algorithm=MD5,realm="192.168.20.40",qop="auth,auth-int"
	To: <sip:00@192.168.20.40>;tag=4f63434a
	From: <sip:2@192.168.20.40>;tag=776375290
	Call-ID: 1299430351
	CSeq: 20 INVITE
	Content-Length: 0
	
06:28:19.085380 IP (tos 0x68, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 265)
    localhost..6060 > localhost..5060: SIP, length: 237
	ACK sip:00@192.168.20.40 SIP/2.0
	Via: SIP/2.0/UDP 127.0.0.1:6060;rport;branch=z9hG4bK102163749
	From: <sip:2@192.168.20.40>;tag=776375290
	To: <sip:00@192.168.20.40>;tag=4f63434a
	Call-ID: 1299430351
	CSeq: 20 ACK
	Content-Length: 0
	
06:28:19.098143 IP (tos 0x68, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 1541)
    localhost..6060 > localhost..5060: SIP, length: 1513
	INVITE sip:00@192.168.20.40 SIP/2.0
	Via: SIP/2.0/UDP 127.0.0.1:6060;rport;branch=z9hG4bK1134240875
	From: <sip:2@192.168.20.40>;tag=776375290
	To: <sip:00@192.168.20.40>
	Call-ID: 1299430351
	CSeq: 21 INVITE
	Contact: <sip:2@127.0.0.1:6060>
	Proxy-Authorization: Digest username="2", realm="192.168.20.40", nonce="8514:11392ee0f9d52f09b1d7a45827a9163c", uri="sip:00@192.168.20.40", response="bea021909d482c24a9902c91cefd9d6e", algorithm=MD5, cnonce="189a9b5f", qop=auth, nc=00000001
	Content-Type: application/sdp
	Allow: INVITE,ACK,BYE,CANCEL,OPTIONS,REFER,NOTIFY,INFO,UPDATE,PRACK,SUBSCRIBE
	Max-Forwards: 70
	User-Agent: eXosip/5.3.0
	X-Endpoint-Type: DS
	Allow-Events: conference
	Supported: replaces,timer,100rel
	Content-Length:   768
	
	v=0
	o=gateway 0 21 IN IP4 192.168.20.50
	s=conversation
	c=IN IP4 0.0.0.0
	t=0 0
	m=audio 10004 RTP/SAVP 8 0 4 18 101 13 98
	a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:DDkfXJBBw0gV0+Te9JCjGNBJZCWxw7dahNBBegIt
	a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:I2ITiCzCt2EPJdHbn0j8zbxLUrtaNEJ627fyOaaT
	a=rtpmap:8 PCMA/8000
	a=rtpmap:0 PCMU/8000
	a=rtpmap:4 G723/8000
	a=rtpmap:18 G729/8000
	a=rtpmap:101 telephone-event/8000
	a=fmtp:101 0-15
	a=rtpmap:13 CN/8000
	a=rtpmap:98 PCMA/8000
	a=gpmd:98 vbd=yes
	a=inactive
	m=audio 10004 RTP/AVP 8 0 4 18 101 13 98
	a=rtpmap:8 PCMA/8000
	a=rtpmap:0 PCMU/8000
	a=rtpmap:4 G723/8000
	a=rtpmap:18 G729/8000
	a=rtpmap:101 telephone-event/8000
	a=fmtp:101 0-15
	a=rtpmap:13 CN/8000
	a=rtpmap:98 PCMA/8000
	a=gpmd:98 vbd=yes
	a=inactive
06:28:19.123008 IP (tos 0x0, ttl 64, id 57904, offset 0, flags [+], proto UDP (17), length 1500)
    192.168.20.50.5060 > 192.168.20.40.5060: SIP, length: 1472
	INVITE sip:00@192.168.20.40 SIP/2.0
	Via: SIP/2.0/UDP 192.168.20.50:5060;branch=z9hG4bK-524287-1---82e34872f6df573a;rport
	Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK1134240875
	Max-Forwards: 69
	Record-Route: <sip:192.168.20.50:5060;transport=udp;lr>
	Contact: <sip:2@127.0.0.1:6060>
	To: <sip:00@192.168.20.40>
	From: <sip:2@192.168.20.40>;tag=776375290
	Call-ID: 1299430351
	CSeq: 21 INVITE
	Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, REFER, NOTIFY, INFO, UPDATE, PRACK, SUBSCRIBE
	Content-Type: application/sdp
	Proxy-Authorization: Digest username="2",realm="192.168.20.40",nonce="8514:11392ee0f9d52f09b1d7a45827a9163c",uri="sip:00@192.168.20.40",response="bea021909d482c24a9902c91cefd9d6e",algorithm=MD5,cnonce="189a9b5f",qop=auth,nc=00000001
	Supported: replaces, timer, 100rel
	User-Agent: eXosip/5.3.0
	Allow-Events: conference
	X-Endpoint-Type: DS
	Content-Length: 768
	
	v=0
	o=gateway 0 21 IN IP4 192.168.20.50
	s=conversation
	c=IN IP4 0.0.0.0
	t=0 0
	m=audio 10004 RTP/SAVP 8 0 4 18 101 13 98
	a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:DDkfXJBBw0gV0+Te9JCjGNBJZCWxw7dahNBBegIt
	a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:I2ITiCzCt2EPJdHbn0j8zbxLUrtaNEJ627fyOaaT
	a=rtpmap:8 PCMA/8000
	a=rtpmap:0 PCMU/8000
	a=rtpmap:4 G723/8000
	a=rtpmap:18 G729/8000
	a=rtpmap:101 telephone-event/8000
	a=fmtp:101 0-15
	a=rtpmap:13 CN/8000
	a=rtpmap:98 PCMA/8000
	a=gpmd:98 vbd=yes
	a=inactive
	m=audio 10004 RTP/AVP 8 0 4 18 101 13 98
	a=rtpmap:8 PCMA/8000
	a=r[!sip]
06:28:19.207850 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 247)
    localhost..5060 > localhost..6060: SIP, length: 219
	SIP/2.0 100 Trying
	Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK1134240875
	To: <sip:00@192.168.20.40>
	From: <sip:2@192.168.20.40>;tag=776375290
	Call-ID: 1299430351
	CSeq: 21 INVITE
	Content-Length: 0
	
06:28:19.217908 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 338)
    192.168.20.40.5060 > 192.168.20.50.5060: SIP, length: 310
	SIP/2.0 100 Trying
	Via: SIP/2.0/UDP 192.168.20.50:5060;branch=z9hG4bK-524287-1---82e34872f6df573a;rport=5060
	Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK1134240875
	To: <sip:00@192.168.20.40>
	From: <sip:2@192.168.20.40>;tag=776375290
	Call-ID: 1299430351
	CSeq: 21 INVITE
	Content-Length: 0
	
06:28:19.226905 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 1110)
    192.168.20.40.5060 > 192.168.20.50.5060: SIP, length: 1082
	SIP/2.0 200 OK
	Via: SIP/2.0/UDP 192.168.20.50:5060;branch=z9hG4bK-524287-1---82e34872f6df573a;rport=5060
	Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK1134240875
	Record-Route: <sip:192.168.20.40:5060;transport=udp;lr>
	Record-Route: <sip:192.168.20.50:5060;transport=udp;lr>
	Contact: <sip:00@127.0.0.1:6060>;isfocus
	To: <sip:00@192.168.20.40>;tag=1755416739
	From: <sip:2@192.168.20.40>;tag=776375290
	Call-ID: 1299430351
	CSeq: 21 INVITE
	Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, REFER, NOTIFY, INFO, UPDATE, PRACK, SUBSCRIBE
	Content-Type: application/sdp
	Supported: replaces, timer, 100rel
	User-Agent: eXosip/5.3.0
	Allow-Events: conference
	Content-Length: 395
	
	v=0
	o=gateway 0 0 IN IP4 192.168.20.40
	s=conversation
	c=IN IP4 192.168.20.40
	t=0 0
	m=audio 12006 RTP/SAVP 8 101 13 98
	a=rtpmap:8 PCMA/8000
	a=rtpmap:101 telephone-event/8000
	a=fmtp:101 0-15
	a=rtpmap:13 CN/8000
	a=rtpmap:98 PCMA/8000
	a=gpmd:98 vbd=yes
	a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:+f2n8KIZi4hrqEUhmWGa4An4foCyLmHMnu5yVukO
	a=inactive
	m=audio 0 RTP/AVP 8 0 4 18 101 13 98
06:28:19.244741 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 1019)
    localhost..5060 > localhost..6060: SIP, length: 991
	SIP/2.0 200 OK
	Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK1134240875
	Record-Route: <sip:192.168.20.40:5060;transport=udp;lr>
	Record-Route: <sip:192.168.20.50:5060;transport=udp;lr>
	Contact: <sip:00@127.0.0.1:6060>;isfocus
	To: <sip:00@192.168.20.40>;tag=1755416739
	From: <sip:2@192.168.20.40>;tag=776375290
	Call-ID: 1299430351
	CSeq: 21 INVITE
	Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, REFER, NOTIFY, INFO, UPDATE, PRACK, SUBSCRIBE
	Content-Type: application/sdp
	Supported: replaces, timer, 100rel
	User-Agent: eXosip/5.3.0
	Allow-Events: conference
	Content-Length: 395
	
	v=0
	o=gateway 0 0 IN IP4 192.168.20.40
	s=conversation
	c=IN IP4 192.168.20.40
	t=0 0
	m=audio 12006 RTP/SAVP 8 101 13 98
	a=rtpmap:8 PCMA/8000
	a=rtpmap:101 telephone-event/8000
	a=fmtp:101 0-15
	a=rtpmap:13 CN/8000
	a=rtpmap:98 PCMA/8000
	a=gpmd:98 vbd=yes
	a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:+f2n8KIZi4hrqEUhmWGa4An4foCyLmHMnu5yVukO
	a=inactive
	m=audio 0 RTP/AVP 8 0 4 18 101 13 98
06:28:19.263722 IP (tos 0x68, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 686)
    localhost..6060 > localhost..5060: SIP, length: 658
	ACK sip:00@127.0.0.1:6060 SIP/2.0
	Via: SIP/2.0/UDP 127.0.0.1:6060;rport;branch=z9hG4bK89689211
	Route: <sip:192.168.20.50:5060;transport=udp;lr>
	Route: <sip:192.168.20.40:5060;transport=udp;lr>
	From: <sip:2@192.168.20.40>;tag=776375290
	To: <sip:00@192.168.20.40>;tag=1755416739
	Call-ID: 1299430351
	CSeq: 21 ACK
	Contact: <sip:2@127.0.0.1:6060>
	Proxy-Authorization: Digest username="2", realm="192.168.20.40", nonce="8514:11392ee0f9d52f09b1d7a45827a9163c", uri="sip:00@192.168.20.40", response="bea021909d482c24a9902c91cefd9d6e", algorithm=MD5, cnonce="189a9b5f", qop=auth, nc=00000001
	Max-Forwards: 70
	User-Agent: eXosip/5.3.0
	Content-Length: 0
	
06:28:19.279459 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 727)
    192.168.20.50.5060 > 192.168.20.40.5060: SIP, length: 699
	ACK sip:00@127.0.0.1:6060 SIP/2.0
	Via: SIP/2.0/UDP 192.168.20.50:5060;branch=z9hG4bK-524287-1---f78a721cb8c17e0d;rport
	Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK89689211
	Max-Forwards: 69
	Route: <sip:192.168.20.40:5060;transport=udp;lr>
	Contact: <sip:2@127.0.0.1:6060>
	To: <sip:00@192.168.20.40>;tag=1755416739
	From: <sip:2@192.168.20.40>;tag=776375290
	Call-ID: 1299430351
	CSeq: 21 ACK
	Proxy-Authorization: Digest username="2", realm="192.168.20.40", nonce="8514:11392ee0f9d52f09b1d7a45827a9163c", uri="sip:00@192.168.20.40", response="bea021909d482c24a9902c91cefd9d6e", algorithm=MD5, cnonce="189a9b5f", qop=auth, nc=00000001
	User-Agent: eXosip/5.3.0
	Content-Length: 0
	
06:28:26.207074 IP (tos 0x68, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 363)
    localhost..6060 > localhost..5060: SIP, length: 335
	BYE sip:00@127.0.0.1:6060 SIP/2.0
	Via: SIP/2.0/UDP 127.0.0.1:6060;rport;branch=z9hG4bK589143414
	Route: <sip:192.168.20.50:5060;transport=udp;lr>
	From: <sip:op2@192.168.20.50>;tag=262572050
	To: <sip:00@192.168.20.40>;tag=1337086100
	Call-ID: 1509161711
	CSeq: 2 BYE
	Max-Forwards: 70
	User-Agent: eXosip/5.3.0
	Content-Length: 0
	
06:28:26.231362 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 400)
    localhost..5060 > localhost..6060: SIP, length: 372
	BYE sip:00@127.0.0.1:6060 SIP/2.0
	Via: SIP/2.0/UDP 127.0.0.1:5060;branch=z9hG4bK-524287-1---7ae5bb4259f08947;rport
	Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK589143414
	Max-Forwards: 69
	To: <sip:00@192.168.20.40>;tag=1337086100
	From: <sip:op2@192.168.20.50>;tag=262572050
	Call-ID: 1509161711
	CSeq: 2 BYE
	User-Agent: eXosip/5.3.0
	Content-Length: 0
	
06:28:26.238052 IP (tos 0x68, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 368)
    localhost..6060 > localhost..5060: SIP, length: 340
	SIP/2.0 200 OK
	Via: SIP/2.0/UDP 127.0.0.1:5060;branch=z9hG4bK-524287-1---7ae5bb4259f08947;rport=5060
	Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK589143414
	From: <sip:op2@192.168.20.50>;tag=262572050
	To: <sip:00@192.168.20.40>;tag=1337086100
	Call-ID: 1509161711
	CSeq: 2 BYE
	User-Agent: eXosip/5.3.0
	Content-Length: 0
	
06:28:26.244867 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 281)
    localhost..5060 > localhost..6060: SIP, length: 253
	SIP/2.0 200 OK
	Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK589143414
	To: <sip:00@192.168.20.40>;tag=1337086100
	From: <sip:op2@192.168.20.50>;tag=262572050
	Call-ID: 1509161711
	CSeq: 2 BYE
	User-Agent: eXosip/5.3.0
	Content-Length: 0
	
06:28:26.273200 IP (tos 0x68, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 655)
    localhost..6060 > localhost..5060: SIP, length: 627
	BYE sip:00@127.0.0.1:6060 SIP/2.0
	Via: SIP/2.0/UDP 127.0.0.1:6060;rport;branch=z9hG4bK1989200479
	Route: <sip:192.168.20.50:5060;transport=udp;lr>
	Route: <sip:192.168.20.40:5060;transport=udp;lr>
	From: <sip:2@192.168.20.40>;tag=776375290
	To: <sip:00@192.168.20.40>;tag=1755416739
	Call-ID: 1299430351
	CSeq: 22 BYE
	Proxy-Authorization: Digest username="2", realm="192.168.20.40", nonce="8514:11392ee0f9d52f09b1d7a45827a9163c", uri="sip:00@127.0.0.1:6060", response="6c4f3808d619802a281acd7290ff23ef", algorithm=MD5, cnonce="3f5e1be", qop=auth, nc=00000002
	Max-Forwards: 70
	User-Agent: eXosip/5.3.0
	Content-Length: 0
	
06:28:26.295541 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 688)
    192.168.20.50.5060 > 192.168.20.40.5060: SIP, length: 660
	BYE sip:00@127.0.0.1:6060 SIP/2.0
	Via: SIP/2.0/UDP 192.168.20.50:5060;branch=z9hG4bK-524287-1---40eedd42b706620c;rport
	Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK1989200479
	Max-Forwards: 69
	Route: <sip:192.168.20.40:5060;transport=udp;lr>
	To: <sip:00@192.168.20.40>;tag=1755416739
	From: <sip:2@192.168.20.40>;tag=776375290
	Call-ID: 1299430351
	CSeq: 22 BYE
	Proxy-Authorization: Digest username="2",realm="192.168.20.40",nonce="8514:11392ee0f9d52f09b1d7a45827a9163c",uri="sip:00@127.0.0.1:6060",response="6c4f3808d619802a281acd7290ff23ef",algorithm=MD5,cnonce="3f5e1be",qop=auth,nc=00000002
	User-Agent: eXosip/5.3.0
	Content-Length: 0
	
06:28:26.344951 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 372)
    192.168.20.40.5060 > 192.168.20.50.5060: SIP, length: 344
	SIP/2.0 200 OK
	Via: SIP/2.0/UDP 192.168.20.50:5060;branch=z9hG4bK-524287-1---40eedd42b706620c;rport=5060
	Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK1989200479
	To: <sip:00@192.168.20.40>;tag=1755416739
	From: <sip:2@192.168.20.40>;tag=776375290
	Call-ID: 1299430351
	CSeq: 22 BYE
	User-Agent: eXosip/5.3.0
	Content-Length: 0
	
06:28:26.351450 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 281)
    localhost..5060 > localhost..6060: SIP, length: 253
	SIP/2.0 200 OK
	Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK1989200479
	To: <sip:00@192.168.20.40>;tag=1755416739
	From: <sip:2@192.168.20.40>;tag=776375290
	Call-ID: 1299430351
	CSeq: 22 BYE
	User-Agent: eXosip/5.3.0
	Content-Length: 0