Huawei U-SYS MRS6100 User Manual

Technical Manual
U-SYS MRS6100 Media Resource Server
Chapter 5 MGCP and SIP
Huawei Technologies Proprietary
5-11
Response
code
Meaning
522 No such event or signal.
523 Unknown action or invalid combination of actions.
524 Internal inconsistency in LocalConnectionOptions.
525 Unknown extension name in LocalConnectionOptions.
526 Insufficient bandwidth.
527 Missing RemoteConnectionDescriptor.
528 Incompatible protocol version.
529 Internal hardware failure.
530 CAS signaling protocol error.
531 Trunk group failure (equipment failure for example).
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 Point
Parameter name: value
:
…
Protocol Version
MML
Parameter line
Parameter name: value
Figure 5-5 Structure of MGCP command
2) Command parameters
z 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.
z BearerInformation (B)

Huawei U-SYS MRS6100 Specifications

General

Brand	Huawei
Model	U-SYS MRS6100
Category	Server
Language	English