Book Image

Building Telephony Systems with OpenSER

Book Image

Building Telephony Systems with OpenSER

Overview of this book

Table of Contents (18 chapters)
Building Telephony Systems with OpenSER
Credits
About the Author
About the Reviewers
Preface
6
Building the User Portal with SerMyAdmin
Index

Invite Diagram


Packet Sequence

U 8.8.3.80:62003 -> 8.8.3.48:5060
INVITE sip:[email protected] SIP/2.0.
Via: SIP/2.0/UDP 192.168.0.111:5060;branch=z9hG4bK31390;rport.
From: 1001 <sip:[email protected]>;tag=2824524117.
To: 1000 <sip:[email protected]>.
Call-ID: [email protected].
CSeq: 1 INVITE.
Contact: <sip:[email protected]:5060>.
max-forwards: 70.
supported: 100rel.
user-agent: Voip Phone 1.0.
Allow: INVITE, ACK, OPTIONS, BYE, CANCEL, REFER, NOTIFY, SUBSCRIBE, PRACK, UPDATE.
Content-Type: application/sdp.
Content-Length: 295  .
.
v=0.
o=sdp_admin 30472538 21739392 IN IP4 192.168.0.111.
s=A conversation.
c=IN IP4 192.168.0.111.
t=0 0.
m=audio 10050 RTP/AVP 0 4 18 8 101.
a=rtpmap:0 PCMU/8000.
a=rtpmap:4 G723/8000.
a=rtpmap:18 G729/8000.
a=rtpmap:8 PCMA/8000.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-15.
a=sendrecv.


U 8.8.3.48:5060 -> 8.8.3.80:62003
SIP/2.0 407 Proxy Authentication Required.
Via: SIP/2.0/UDP 192.168.0.111:5060;branch=z9hG4bK31390;rport...