Message Structure - Huawei U-SYS MRS6100 Technical Manual

Technical Manual
U-SYS MRS6100 Media Resource Server
Response
code
522
523
524
525
526
527
528
529
530
531

5.2.5 Message Structure

I. Commands
1) Command format
Figure 5-5 shows the format of an MGCP command, which consists of a command
line and a group of parameter lines. A line feed character distinguishes the command
line and each parameter line.
Command name Transaction ID
Figure 5-5 Structure of MGCP command
2) Command parameters
ResponseAck (K)
The response acknowledgement attribute indicates the identifiers of transactions that
have received the response command. It contains a comma-separated list of
confirmed transaction ID ranges, for example, K: 6234–6255, 6257, 19030–19044.
BearerInformation (B)
No such event or signal.
Unknown action or invalid combination of actions.
Internal inconsistency in LocalConnectionOptions.
Unknown extension name in LocalConnectionOptions.
Insufficient bandwidth.
Missing RemoteConnectionDescriptor.
Incompatible protocol version.
Internal hardware failure.
CAS signaling protocol error.
Trunk group failure (equipment failure for example).
Point
:
Parameter name: value
Parameter name: value
Huawei Technologies Proprietary
5-11
Chapter 5 MGCP and SIP
Meaning
Protocol Version
MML
Parameter line