SIP D50444 revision 1.1 May 2008 TANDBERG and SIP TABLE OF CONTENTS INTRODUCTION ........................................................................................................................................5 WHAT IS SIP?............................................................................................................................................6 Components ...............................................................................................................................................6 User Agent........................................................................................................................................6 Proxy Server.....................................................................................................................................6 Registrar...........................................................................................................................................7 Redirect Server ................................................................................................................................7 Requests for Comments.............................................................................................................................7 SIP Messages.............................................................................................................................................9 SIP Requests ...................................................................................................................................9 SIP Responses.................................................................................................................................9 Session Description Protocol (SDP).........................................................................................................11 TANDBERG SIP TERMINALS ................................................................................................................12 TANDBERG MXP Endpoints....................................................................................................................13 Software F2-F6 SIP Server Interaction ..........................................................................................13 F2-F6 Call Flow (Site A calls Site B) ..............................................................................................13 F2-F6 Audio....................................................................................................................................14 F2-F6 Video....................................................................................................................................14 Jitter and Latency ...........................................................................................................................15 RFC Support ..................................................................................................................................16 TANDBERG MXP Personal Series Endpoints...............................................................................18 L2-L5 SIP Server Interaction..........................................................................................................18 L2-L5 Call Flow (Site A calls Site B) ..............................................................................................18 L2-L5 Audio ....................................................................................................................................19 L2-L5 Video ....................................................................................................................................19 Jitter and Latency ...........................................................................................................................19 RFC Support ..................................................................................................................................20 TANDBERG SIP INFRASTRUCTURE ....................................................................................................22 TANDBERG MPS 200/800.......................................................................................................................24 J3-J4 SIP Server Interaction ..........................................................................................................24 J3-J4 Call Flow (MPS calls Site A).................................................................................................24 J3-J4 Audio ....................................................................................................................................25 J3-J4 Video ....................................................................................................................................25 Jitter and Latency ...........................................................................................................................25 RFC Support ..................................................................................................................................26 TANDBERG Codian 4500 Series MCU....................................................................................................28 Software 2.2(1.0) SIP Server Interaction .......................................................................................28 Software 2.2(1.0) Call Flow............................................................................................................28 Software 2.2(1.0) Audio..................................................................................................................29 Software 2.2(1.0) Video..................................................................................................................29 Jitter and Latency ...........................................................................................................................30 RFC Support ..................................................................................................................................30 TANDBERG Codian 4200 Series MCU....................................................................................................31 Software 2.2(1.0) SIP Server Interaction .......................................................................................31 Software 2.2(1.0) Call Flow............................................................................................................31 Software 2.2(1.0) Audio..................................................................................................................32 Software 2.2(1.0) Video..................................................................................................................32 Jitter and Latency ...........................................................................................................................33 RFC Support ..................................................................................................................................33 D50444 Page 2 TANDBERG and SIP TANDBERG Codian 3500 Series IP Gateway .........................................................................................34 Software 1.1(1.1) SIP Server Interaction .......................................................................................34 Software 1.1(1.1) Call Flow............................................................................................................34 Software 1.1(1.1) Audio..................................................................................................................35 Software 1.1(1.1) Video..................................................................................................................35 Jitter and Latency ...........................................................................................................................36 RFC Support ..................................................................................................................................36 TANDBERG 3G Gateway.........................................................................................................................37 R2-R3 SIP Server Interaction.........................................................................................................37 R2-R3 Call Flow (Gateway calls Site A – call initiated from 3G side)............................................37 R1-R3 Audio...................................................................................................................................38 R1-R3 Video...................................................................................................................................38 Jitter and Latency ...........................................................................................................................38 TANDBERG Video Portal .........................................................................................................................39 V2-V3 SIP Server Interaction .........................................................................................................39 V2-V3 Call Flow (Video Portal calls Site A – call initiated from 3G side).......................................39 V2-V3 Audio ...................................................................................................................................40 V2-V3 Video ...................................................................................................................................40 Jitter and Latency ...........................................................................................................................40