Technical Manual
U-SYS MRS6100 Media Resource Server Table of Contents
Huawei Technologies Proprietary
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Table of Contents
Chapter 1 System Overview......................................................................................................... 1-1
1.1 System Functions .............................................................................................................. 1-1
1.2 System Networking............................................................................................................ 1-2
1.3 System Features................................................................................................................ 1-4
Chapter 2 Hardware Structure ..................................................................................................... 2-1
2.1 Logical Structure................................................................................................................ 2-1
2.2 Typical Configuration ......................................................................................................... 2-2
Chapter 3 Software Architecture ................................................................................................. 3-1
3.1 Overall Architecture ........................................................................................................... 3-1
3.2 Call Processing Subsystem ............................................................................................... 3-2
3.3 Media Processing Subsystem ........................................................................................... 3-3
Chapter 4 Media Resource Function........................................................................................... 4-1
4.1 Collecting and Decoding the DTMF Signal........................................................................ 4-1
4.2 Generating and Sending Signal Tones.............................................................................. 4-1
4.3 Sending Recorded Announcements.................................................................................. 4-1
4.4 Audio Conference .............................................................................................................. 4-2
4.5 Converting Voice Codes .................................................................................................... 4-2
4.6 Recording........................................................................................................................... 4-2
4.7 Video Announcement ........................................................................................................ 4-2
Chapter 5 MGCP and SIP.............................................................................................................. 5-1
5.1 Using MGCP and SIP with the MRS6100 ......................................................................... 5-1
5.2 MGCP ................................................................................................................................ 5-1
5.2.1 Brief Introduction ..................................................................................................... 5-1
5.2.2 Terminologies that You Should Know..................................................................... 5-2
5.2.3 Protocol Stack ......................................................................................................... 5-8
5.2.4 Message Type......................................................................................................... 5-8
5.2.5 Message Structure ................................................................................................ 5-11
5.2.6 Call Flow................................................................................................................ 5-22
5.3 SIP ................................................................................................................................... 5-32
5.3.1 Basic Concepts ..................................................................................................... 5-32
5.3.2 Terms .................................................................................................................... 5-33
5.3.3 Protocol Stack ....................................................................................................... 5-36
5.3.4 Message Type....................................................................................................... 5-37
5.3.5 Message Structure ................................................................................................ 5-40
5.3.6 Call Flow................................................................................................................ 5-54