########################

U PSTN_GATEWAY:5060 -> SER_PROXY:5060

INVITE sip:DEST_NUMBER@SER_PROXY SIP/2.0.

Via: SIP/2.0/UDP PSTN_GATEWAY:5060;branch=z9hG4bK057230ba.

From: "SOURCE_NUMBER" <sip:SOURCE_NUMBER@PSTN_GATEWAY>;tag=as0fafee41.

To: <sip:DEST_NUMBER@SER_PROXY>.

Contact: <sip:SOURCE_NUMBER@PSTN_GATEWAY>.

Call-ID: 2174026b474acff5009b026440b9f38b@PSTN_GATEWAY.

CSeq: 102 INVITE.

User-Agent: Asterisk PBX.

Date: Fri, 19 Aug 2005 22:24:55 GMT.

Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER.

Content-Type: application/sdp.

Content-Length: 266.

.

v=0.

o=root 528 528 IN IP4 PSTN_GATEWAY.

s=session.

c=IN IP4 PSTN_GATEWAY.

t=0 0.

m=audio 11184 RTP/AVP 0 8 18 101.

a=rtpmap:0 PCMU/8000.

a=rtpmap:8 PCMA/8000.

a=rtpmap:18 G729/8000.

a=rtpmap:101 telephone-event/8000.

a=fmtp:101 0-16.

a=silenceSupp:off - - - -.

 

######

U SER_PROXY:5060 -> PSTN_GATEWAY:5060

SIP/2.0 100 Trying....

Via: SIP/2.0/UDP PSTN_GATEWAY:5060;branch=z9hG4bK057230ba.

From: "SOURCE_NUMBER" <sip:SOURCE_NUMBER@PSTN_GATEWAY>;tag=as0fafee41.

To: <sip:DEST_NUMBER@SER_PROXY>.

Call-ID: 2174026b474acff5009b026440b9f38b@PSTN_GATEWAY.

CSeq: 102 INVITE.

Server: Sip EXpress router (0.9.3 (i386/freebsd)).

Content-Length: 0.

Warning: 392 SER_PROXY:5060 "Noisy feedback tells:  pid=87251 req_src_ip=PSTN_GATEWAY req_src_port=5060 in_uri=sip:DEST_NUMBER@SER_PROXY out_uri=sip:DEST_NUMBER@SER_PROXY via_cnt==1".

.

 

###########################

U SER_PROXY:5060 -> PSTN_GATEWAY:5060

SIP/2.0 100 trying -- your call is important to us.

Via: SIP/2.0/UDP PSTN_GATEWAY:5060;branch=z9hG4bK057230ba.

From: "SOURCE_NUMBER" <sip:SOURCE_NUMBER@PSTN_GATEWAY>;tag=as0fafee41.

To: <sip:DEST_NUMBER@SER_PROXY>.

Call-ID: 2174026b474acff5009b026440b9f38b@PSTN_GATEWAY.

CSeq: 102 INVITE.

Server: Sip EXpress router (0.9.3 (i386/freebsd)).

Content-Length: 0.

Warning: 392 SER_PROXY:5060 "Noisy feedback tells:  pid=87251 req_src_ip=PSTN_GATEWAY req_src_port=5060 in_uri=sip:DEST_NUMBER@SER_PROXY out_uri=sip:PHONE_USERNAME@PHONE:5060 via_cnt==1".

.

 

#

U SER_PROXY:5060 -> PHONE:5060

INVITE sip:PHONE_USERNAME@PHONE:5060 SIP/2.0.

Max-Forwards: 10.

Record-Route: <sip:SER_PROXY;ftag=as0fafee41;lr>.

Via: SIP/2.0/UDP SER_PROXY;branch=z9hG4bK88d1.ecd2e436.0.

Via: SIP/2.0/UDP PSTN_GATEWAY:5060;branch=z9hG4bK057230ba.

From: "SOURCE_NUMBER" <sip:SOURCE_NUMBER@PSTN_GATEWAY>;tag=as0fafee41.

To: <sip:DEST_NUMBER@SER_PROXY>.

Contact: <sip:SOURCE_NUMBER@PSTN_GATEWAY>.

Call-ID: 2174026b474acff5009b026440b9f38b@PSTN_GATEWAY.

CSeq: 102 INVITE.

User-Agent: Asterisk PBX.

Date: Fri, 19 Aug 2005 22:24:55 GMT.

Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER.

Content-Type: application/sdp.

Content-Length: 266.

.

v=0.

o=root 528 528 IN IP4 PSTN_GATEWAY.

s=session.

c=IN IP4 PSTN_GATEWAY.

t=0 0.

m=audio 11184 RTP/AVP 0 8 18 101.

a=rtpmap:0 PCMU/8000.

a=rtpmap:8 PCMA/8000.

a=rtpmap:18 G729/8000.

a=rtpmap:101 telephone-event/8000.

a=fmtp:101 0-16.

a=silenceSupp:off - - - -.

 

#

U PHONE:5060 -> SER_PROXY:5060

SIP/2.0 100 Trying.

To: <sip:DEST_NUMBER@SER_PROXY>.

From: "SOURCE_NUMBER" <sip:SOURCE_NUMBER@PSTN_GATEWAY>;tag=as0fafee41.

Call-ID: 2174026b474acff5009b026440b9f38b@PSTN_GATEWAY.

CSeq: 102 INVITE.

Via: SIP/2.0/UDP SER_PROXY;branch=z9hG4bK88d1.ecd2e436.0.

Via: SIP/2.0/UDP PSTN_GATEWAY:5060;branch=z9hG4bK057230ba.

Record-Route: <sip:SER_PROXY;ftag=as0fafee41;lr>.

Server: Linksys/PAP2-2.0.14(LSVa).

Content-Length: 0.

.

 

#

U PHONE:5060 -> SER_PROXY:5060

SIP/2.0 180 Ringing.

To: <sip:DEST_NUMBER@SER_PROXY>;tag=c37b59916ac48ea2i0.

From: "SOURCE_NUMBER" <sip:SOURCE_NUMBER@PSTN_GATEWAY>;tag=as0fafee41.

Call-ID: 2174026b474acff5009b026440b9f38b@PSTN_GATEWAY.

CSeq: 102 INVITE.

Via: SIP/2.0/UDP SER_PROXY;branch=z9hG4bK88d1.ecd2e436.0.

Via: SIP/2.0/UDP PSTN_GATEWAY:5060;branch=z9hG4bK057230ba.

Record-Route: <sip:SER_PROXY;ftag=as0fafee41;lr>.

Server: Linksys/PAP2-2.0.14(LSVa).

Content-Length: 0.

.

 

#

U SER_PROXY:5060 -> PSTN_GATEWAY:5060

SIP/2.0 180 Ringing.

To: <sip:DEST_NUMBER@SER_PROXY>;tag=c37b59916ac48ea2i0.

From: "SOURCE_NUMBER" <sip:SOURCE_NUMBER@PSTN_GATEWAY>;tag=as0fafee41.

Call-ID: 2174026b474acff5009b026440b9f38b@PSTN_GATEWAY.

CSeq: 102 INVITE.

Via: SIP/2.0/UDP PSTN_GATEWAY:5060;branch=z9hG4bK057230ba.

Record-Route: <sip:SER_PROXY;ftag=as0fafee41;lr>.

Server: Linksys/PAP2-2.0.14(LSVa).

Content-Length: 0.

.

 

############################################

U PHONE:5060 -> SER_PROXY:5060

SIP/2.0 200 OK.

To: <sip:DEST_NUMBER@SER_PROXY>;tag=c37b59916ac48ea2i0.

From: "SOURCE_NUMBER" <sip:SOURCE_NUMBER@PSTN_GATEWAY>;tag=as0fafee41.

Call-ID: 2174026b474acff5009b026440b9f38b@PSTN_GATEWAY.

CSeq: 102 INVITE.

Via: SIP/2.0/UDP SER_PROXY;branch=z9hG4bK88d1.ecd2e436.0.

Via: SIP/2.0/UDP PSTN_GATEWAY:5060;branch=z9hG4bK057230ba.

Record-Route: <sip:SER_PROXY;ftag=as0fafee41;lr>.

Contact: PHONE_USERNAME <sip:PHONE_USERNAME@PHONE:5060>.

Server: Linksys/PAP2-2.0.14(LSVa).

Content-Length: 239.

Allow: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY, OPTIONS, REFER.

Supported: x-sipura.

Content-Type: application/sdp.

.

v=0.

o=- 7983232 7983232 IN IP4 PHONE.

s=-.

c=IN IP4 PHONE.

t=0 0.

m=audio 15748 RTP/AVP 0 100 101.

a=rtpmap:0 PCMU/8000.

a=rtpmap:100 NSE/8000.

a=rtpmap:101 telephone-event/8000.

a=fmtp:101 0-15.

a=ptime:30.

a=sendrecv.

 

#

U SER_PROXY:5060 -> PSTN_GATEWAY:5060

SIP/2.0 200 OK.

To: <sip:DEST_NUMBER@SER_PROXY>;tag=c37b59916ac48ea2i0.

From: "SOURCE_NUMBER" <sip:SOURCE_NUMBER@PSTN_GATEWAY>;tag=as0fafee41.

Call-ID: 2174026b474acff5009b026440b9f38b@PSTN_GATEWAY.

CSeq: 102 INVITE.

Via: SIP/2.0/UDP PSTN_GATEWAY:5060;branch=z9hG4bK057230ba.

Record-Route: <sip:SER_PROXY;ftag=as0fafee41;lr>.

Contact: PHONE_USERNAME <sip:PHONE_USERNAME@PHONE:5060>.

Server: Linksys/PAP2-2.0.14(LSVa).

Content-Length: 239.

Allow: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY, OPTIONS, REFER.

Supported: x-sipura.

Content-Type: application/sdp.

.

v=0.

o=- 7983232 7983232 IN IP4 PHONE.

s=-.

c=IN IP4 PHONE.

t=0 0.

m=audio 15748 RTP/AVP 0 100 101.

a=rtpmap:0 PCMU/8000.

a=rtpmap:100 NSE/8000.

a=rtpmap:101 telephone-event/8000.

a=fmtp:101 0-15.

a=ptime:30.

a=sendrecv.

 

#

U PSTN_GATEWAY:5060 -> SER_PROXY:5060

ACK sip:DEST_NUMBER@SER_PROXY SIP/2.0.

Via: SIP/2.0/UDP PSTN_GATEWAY:5060;branch=z9hG4bK33f41c07.

Route: <sip:SER_PROXY;ftag=as0fafee41;lr>.

From: "SOURCE_NUMBER" <sip:SOURCE_NUMBER@PSTN_GATEWAY>;tag=as0fafee41.

To: <sip:DEST_NUMBER@SER_PROXY>;tag=c37b59916ac48ea2i0.

Contact: <sip:SOURCE_NUMBER@PSTN_GATEWAY>.

Call-ID: 2174026b474acff5009b026440b9f38b@PSTN_GATEWAY.

CSeq: 102 ACK.

User-Agent: Asterisk PBX.

Content-Length: 0.

.

 

#

U PHONE:5060 -> SER_PROXY:5060

SIP/2.0 200 OK.

To: <sip:DEST_NUMBER@SER_PROXY>;tag=c37b59916ac48ea2i0.

From: "SOURCE_NUMBER" <sip:SOURCE_NUMBER@PSTN_GATEWAY>;tag=as0fafee41.

Call-ID: 2174026b474acff5009b026440b9f38b@PSTN_GATEWAY.

CSeq: 102 INVITE.

Via: SIP/2.0/UDP SER_PROXY;branch=z9hG4bK88d1.ecd2e436.0.

Via: SIP/2.0/UDP PSTN_GATEWAY:5060;branch=z9hG4bK057230ba.

Record-Route: <sip:SER_PROXY;ftag=as0fafee41;lr>.

Contact: PHONE_USERNAME <sip:PHONE_USERNAME@PHONE:5060>.

Server: Linksys/PAP2-2.0.14(LSVa).

Content-Length: 239.

Allow: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY, OPTIONS, REFER.

Supported: x-sipura.

Content-Type: application/sdp.

.

v=0.

o=- 7983232 7983232 IN IP4 PHONE.

s=-.

c=IN IP4 PHONE.

t=0 0.

m=audio 15748 RTP/AVP 0 100 101.

a=rtpmap:0 PCMU/8000.

a=rtpmap:100 NSE/8000.

a=rtpmap:101 telephone-event/8000.

a=fmtp:101 0-15.

a=ptime:30.

a=sendrecv.

 

#

U SER_PROXY:5060 -> PSTN_GATEWAY:5060

SIP/2.0 200 OK.

To: <sip:DEST_NUMBER@SER_PROXY>;tag=c37b59916ac48ea2i0.

From: "SOURCE_NUMBER" <sip:SOURCE_NUMBER@PSTN_GATEWAY>;tag=as0fafee41.

Call-ID: 2174026b474acff5009b026440b9f38b@PSTN_GATEWAY.

CSeq: 102 INVITE.

Via: SIP/2.0/UDP PSTN_GATEWAY:5060;branch=z9hG4bK057230ba.

Record-Route: <sip:SER_PROXY;ftag=as0fafee41;lr>.

Contact: PHONE_USERNAME <sip:PHONE_USERNAME@PHONE:5060>.

Server: Linksys/PAP2-2.0.14(LSVa).

Content-Length: 239.

Allow: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY, OPTIONS, REFER.

Supported: x-sipura.

Content-Type: application/sdp.

.

v=0.

o=- 7983232 7983232 IN IP4 PHONE.

s=-.

c=IN IP4 PHONE.

t=0 0.

m=audio 15748 RTP/AVP 0 100 101.

a=rtpmap:0 PCMU/8000.

a=rtpmap:100 NSE/8000.

a=rtpmap:101 telephone-event/8000.

a=fmtp:101 0-15.

a=ptime:30.

a=sendrecv.

 

#

U PSTN_GATEWAY:5060 -> SER_PROXY:5060

ACK sip:DEST_NUMBER@SER_PROXY SIP/2.0.

Via: SIP/2.0/UDP PSTN_GATEWAY:5060;branch=z9hG4bK11175445.

Route: <sip:SER_PROXY;ftag=as0fafee41;lr>.

From: "SOURCE_NUMBER" <sip:SOURCE_NUMBER@PSTN_GATEWAY>;tag=as0fafee41.

To: <sip:DEST_NUMBER@SER_PROXY>;tag=c37b59916ac48ea2i0.

Contact: <sip:SOURCE_NUMBER@PSTN_GATEWAY>.

Call-ID: 2174026b474acff5009b026440b9f38b@PSTN_GATEWAY.

CSeq: 102 ACK.

User-Agent: Asterisk PBX.

Content-Length: 0.

.

 

###############

U PHONE:5060 -> SER_PROXY:5060

SIP/2.0 200 OK.

To: <sip:DEST_NUMBER@SER_PROXY>;tag=c37b59916ac48ea2i0.

From: "SOURCE_NUMBER" <sip:SOURCE_NUMBER@PSTN_GATEWAY>;tag=as0fafee41.

Call-ID: 2174026b474acff5009b026440b9f38b@PSTN_GATEWAY.

CSeq: 102 INVITE.

Via: SIP/2.0/UDP SER_PROXY;branch=z9hG4bK88d1.ecd2e436.0.

Via: SIP/2.0/UDP PSTN_GATEWAY:5060;branch=z9hG4bK057230ba.

Record-Route: <sip:SER_PROXY;ftag=as0fafee41;lr>.

Contact: PHONE_USERNAME <sip:PHONE_USERNAME@PHONE:5060>.

Server: Linksys/PAP2-2.0.14(LSVa).

Content-Length: 239.

Allow: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY, OPTIONS, REFER.

Supported: x-sipura.

Content-Type: application/sdp.

.

v=0.

o=- 7983232 7983232 IN IP4 PHONE.

s=-.

c=IN IP4 PHONE.

t=0 0.

m=audio 15748 RTP/AVP 0 100 101.

a=rtpmap:0 PCMU/8000.

a=rtpmap:100 NSE/8000.

a=rtpmap:101 telephone-event/8000.

a=fmtp:101 0-15.

a=ptime:30.

a=sendrecv.

 

#

U SER_PROXY:5060 -> PSTN_GATEWAY:5060

SIP/2.0 200 OK.

To: <sip:DEST_NUMBER@SER_PROXY>;tag=c37b59916ac48ea2i0.

From: "SOURCE_NUMBER" <sip:SOURCE_NUMBER@PSTN_GATEWAY>;tag=as0fafee41.

Call-ID: 2174026b474acff5009b026440b9f38b@PSTN_GATEWAY.

CSeq: 102 INVITE.

Via: SIP/2.0/UDP PSTN_GATEWAY:5060;branch=z9hG4bK057230ba.

Record-Route: <sip:SER_PROXY;ftag=as0fafee41;lr>.

Contact: PHONE_USERNAME <sip:PHONE_USERNAME@PHONE:5060>.

Server: Linksys/PAP2-2.0.14(LSVa).

Content-Length: 239.

Allow: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY, OPTIONS, REFER.

Supported: x-sipura.

Content-Type: application/sdp.

.

v=0.

o=- 7983232 7983232 IN IP4 PHONE.

s=-.

c=IN IP4 PHONE.

t=0 0.

m=audio 15748 RTP/AVP 0 100 101.

a=rtpmap:0 PCMU/8000.

a=rtpmap:100 NSE/8000.

a=rtpmap:101 telephone-event/8000.

a=fmtp:101 0-15.

a=ptime:30.

a=sendrecv.

 

#

U PSTN_GATEWAY:5060 -> SER_PROXY:5060

ACK sip:DEST_NUMBER@SER_PROXY SIP/2.0.

Via: SIP/2.0/UDP PSTN_GATEWAY:5060;branch=z9hG4bK668ba2b7.

Route: <sip:SER_PROXY;ftag=as0fafee41;lr>.

From: "SOURCE_NUMBER" <sip:SOURCE_NUMBER@PSTN_GATEWAY>;tag=as0fafee41.

To: <sip:DEST_NUMBER@SER_PROXY>;tag=c37b59916ac48ea2i0.

Contact: <sip:SOURCE_NUMBER@PSTN_GATEWAY>.

Call-ID: 2174026b474acff5009b026440b9f38b@PSTN_GATEWAY.

CSeq: 102 ACK.

User-Agent: Asterisk PBX.

Content-Length: 0.

.

 

##################

U PHONE:5060 -> SER_PROXY:5060

SIP/2.0 200 OK.

To: <sip:DEST_NUMBER@SER_PROXY>;tag=c37b59916ac48ea2i0.

From: "SOURCE_NUMBER" <sip:SOURCE_NUMBER@PSTN_GATEWAY>;tag=as0fafee41.

Call-ID: 2174026b474acff5009b026440b9f38b@PSTN_GATEWAY.

CSeq: 102 INVITE.

Via: SIP/2.0/UDP SER_PROXY;branch=z9hG4bK88d1.ecd2e436.0.

Via: SIP/2.0/UDP PSTN_GATEWAY:5060;branch=z9hG4bK057230ba.

Record-Route: <sip:SER_PROXY;ftag=as0fafee41;lr>.

Contact: PHONE_USERNAME <sip:PHONE_USERNAME@PHONE:5060>.

Server: Linksys/PAP2-2.0.14(LSVa).

Content-Length: 239.

Allow: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY, OPTIONS, REFER.

Supported: x-sipura.

Content-Type: application/sdp.

.

v=0.

o=- 7983232 7983232 IN IP4 PHONE.

s=-.

c=IN IP4 PHONE.

t=0 0.

m=audio 15748 RTP/AVP 0 100 101.

a=rtpmap:0 PCMU/8000.

a=rtpmap:100 NSE/8000.

a=rtpmap:101 telephone-event/8000.

a=fmtp:101 0-15.

a=ptime:30.

a=sendrecv.

 

#

U SER_PROXY:5060 -> PSTN_GATEWAY:5060

SIP/2.0 200 OK.

To: <sip:DEST_NUMBER@SER_PROXY>;tag=c37b59916ac48ea2i0.

From: "SOURCE_NUMBER" <sip:SOURCE_NUMBER@PSTN_GATEWAY>;tag=as0fafee41.

Call-ID: 2174026b474acff5009b026440b9f38b@PSTN_GATEWAY.

CSeq: 102 INVITE.

Via: SIP/2.0/UDP PSTN_GATEWAY:5060;branch=z9hG4bK057230ba.

Record-Route: <sip:SER_PROXY;ftag=as0fafee41;lr>.

Contact: PHONE_USERNAME <sip:PHONE_USERNAME@PHONE:5060>.

Server: Linksys/PAP2-2.0.14(LSVa).

Content-Length: 239.

Allow: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY, OPTIONS, REFER.

Supported: x-sipura.

Content-Type: application/sdp.

.

v=0.

o=- 7983232 7983232 IN IP4 PHONE.

s=-.

c=IN IP4 PHONE.

t=0 0.

m=audio 15748 RTP/AVP 0 100 101.

a=rtpmap:0 PCMU/8000.

a=rtpmap:100 NSE/8000.

a=rtpmap:101 telephone-event/8000.

a=fmtp:101 0-15.

a=ptime:30.

a=sendrecv.

 

#

U PSTN_GATEWAY:5060 -> SER_PROXY:5060

ACK sip:DEST_NUMBER@SER_PROXY SIP/2.0.

Via: SIP/2.0/UDP PSTN_GATEWAY:5060;branch=z9hG4bK04936580.

Route: <sip:SER_PROXY;ftag=as0fafee41;lr>.

From: "SOURCE_NUMBER" <sip:SOURCE_NUMBER@PSTN_GATEWAY>;tag=as0fafee41.

To: <sip:DEST_NUMBER@SER_PROXY>;tag=c37b59916ac48ea2i0.

Contact: <sip:SOURCE_NUMBER@PSTN_GATEWAY>.

Call-ID: 2174026b474acff5009b026440b9f38b@PSTN_GATEWAY.

CSeq: 102 ACK.

User-Agent: Asterisk PBX.

Content-Length: 0.

.

 

#####################

U PSTN_GATEWAY:5060 -> SER_PROXY:5060

BYE sip:PHONE_USERNAME@PHONE:5060 SIP/2.0.

Via: SIP/2.0/UDP PSTN_GATEWAY:5060;branch=z9hG4bK4c2c7bb1.

Route: <sip:SER_PROXY;ftag=as0fafee41;lr>.

From: "SOURCE_NUMBER" <sip:SOURCE_NUMBER@PSTN_GATEWAY>;tag=as0fafee41.

To: <sip:DEST_NUMBER@SER_PROXY>;tag=c37b59916ac48ea2i0.

Contact: <sip:SOURCE_NUMBER@PSTN_GATEWAY>.

Call-ID: 2174026b474acff5009b026440b9f38b@PSTN_GATEWAY.

CSeq: 103 BYE.

User-Agent: Asterisk PBX.

Content-Length: 0.

.

 

#####

U SER_PROXY:5060 -> PHONE:5060

BYE sip:PHONE_USERNAME@PHONE:5060 SIP/2.0.

Max-Forwards: 10.

Record-Route: <sip:SER_PROXY;ftag=as0fafee41;lr>.

Via: SIP/2.0/UDP SER_PROXY;branch=z9hG4bK98d1.15261a12.0.

Via: SIP/2.0/UDP PSTN_GATEWAY:5060;branch=z9hG4bK4c2c7bb1.

From: "SOURCE_NUMBER" <sip:SOURCE_NUMBER@PSTN_GATEWAY>;tag=as0fafee41.

To: <sip:DEST_NUMBER@SER_PROXY>;tag=c37b59916ac48ea2i0.

Contact: <sip:SOURCE_NUMBER@PSTN_GATEWAY>.

Call-ID: 2174026b474acff5009b026440b9f38b@PSTN_GATEWAY.

CSeq: 103 BYE.

User-Agent: Asterisk PBX.

Content-Length: 0.

.

 

#######

U PHONE:5060 -> SER_PROXY:5060

SIP/2.0 200 OK.

To: <sip:DEST_NUMBER@SER_PROXY>;tag=c37b59916ac48ea2i0.

From: "SOURCE_NUMBER" <sip:SOURCE_NUMBER@PSTN_GATEWAY>;tag=as0fafee41.

Call-ID: 2174026b474acff5009b026440b9f38b@PSTN_GATEWAY.

CSeq: 103 BYE.

Via: SIP/2.0/UDP SER_PROXY;branch=z9hG4bK98d1.15261a12.0.

Via: SIP/2.0/UDP PSTN_GATEWAY:5060;branch=z9hG4bK4c2c7bb1.

Record-Route: <sip:SER_PROXY;ftag=as0fafee41;lr>.

Server: Linksys/PAP2-2.0.14(LSVa).

Content-Length: 0.

.

 

#

U SER_PROXY:5060 -> PSTN_GATEWAY:5060

SIP/2.0 200 OK.

To: <sip:DEST_NUMBER@SER_PROXY>;tag=c37b59916ac48ea2i0.

From: "SOURCE_NUMBER" <sip:SOURCE_NUMBER@PSTN_GATEWAY>;tag=as0fafee41.

Call-ID: 2174026b474acff5009b026440b9f38b@PSTN_GATEWAY.

CSeq: 103 BYE.

Via: SIP/2.0/UDP PSTN_GATEWAY:5060;branch=z9hG4bK4c2c7bb1.

Record-Route: <sip:SER_PROXY;ftag=as0fafee41;lr>.

Server: Linksys/PAP2-2.0.14(LSVa).

Content-Length: 0.

.

 

######

U PHONE:5060 -> SER_PROXY:5060

SIP/2.0 200 OK.

To: <sip:DEST_NUMBER@SER_PROXY>;tag=c37b59916ac48ea2i0.

From: "SOURCE_NUMBER" <sip:SOURCE_NUMBER@PSTN_GATEWAY>;tag=as0fafee41.

Call-ID: 2174026b474acff5009b026440b9f38b@PSTN_GATEWAY.

CSeq: 102 INVITE.

Via: SIP/2.0/UDP SER_PROXY;branch=z9hG4bK88d1.ecd2e436.0.

Via: SIP/2.0/UDP PSTN_GATEWAY:5060;branch=z9hG4bK057230ba.

Record-Route: <sip:SER_PROXY;ftag=as0fafee41;lr>.

Contact: PHONE_USERNAME <sip:PHONE_USERNAME@PHONE:5060>.

Server: Linksys/PAP2-2.0.14(LSVa).

Content-Length: 239.

Allow: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY, OPTIONS, REFER.

Supported: x-sipura.

Content-Type: application/sdp.

.

v=0.

o=- 7983232 7983232 IN IP4 PHONE.

s=-.

c=IN IP4 PHONE.

t=0 0.

m=audio 15748 RTP/AVP 0 100 101.

a=rtpmap:0 PCMU/8000.

a=rtpmap:100 NSE/8000.

a=rtpmap:101 telephone-event/8000.

a=fmtp:101 0-15.

a=ptime:30.

a=sendrecv.

 

#

U SER_PROXY:5060 -> PSTN_GATEWAY:5060

SIP/2.0 200 OK.

To: <sip:DEST_NUMBER@SER_PROXY>;tag=c37b59916ac48ea2i0.

From: "SOURCE_NUMBER" <sip:SOURCE_NUMBER@PSTN_GATEWAY>;tag=as0fafee41.

Call-ID: 2174026b474acff5009b026440b9f38b@PSTN_GATEWAY.

CSeq: 102 INVITE.

Via: SIP/2.0/UDP PSTN_GATEWAY:5060;branch=z9hG4bK057230ba.

Record-Route: <sip:SER_PROXY;ftag=as0fafee41;lr>.

Contact: PHONE_USERNAME <sip:PHONE_USERNAME@PHONE:5060>.

Server: Linksys/PAP2-2.0.14(LSVa).

Content-Length: 239.

Allow: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY, OPTIONS, REFER.

Supported: x-sipura.

Content-Type: application/sdp.

.

v=0.

o=- 7983232 7983232 IN IP4 PHONE.

s=-.

c=IN IP4 PHONE.

t=0 0.

m=audio 15748 RTP/AVP 0 100 101.

a=rtpmap:0 PCMU/8000.

a=rtpmap:100 NSE/8000.

a=rtpmap:101 telephone-event/8000.

a=fmtp:101 0-15.

a=ptime:30.

a=sendrecv.

 

^Cexit

291 received, 0 dropped