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B-4
Cisco BTS 10200 Softswitch Troubleshooting Guide, Release 5.0.x
OL-8723-19
Appendix B System Usage of MGW Keepalive Parameters, Release 5.0
Keepalive for Release 5.0 Prior to Maintenance Release 1.1
Examples of Successful MGCP Message Transmissions
This section illustrates several scenarios with successful MGCP message transmissions.
Note
This section describes how the system sends AUEP messages. This discussion can be applied to the
sending of any MGCP messages (including AUEP).
Initial Transmission Waiting Period (mgcp-t-tran)
The initial transmission waiting period (the period that the system waits after sending an initial AUEP
transmission before repeating it) is equal to
the greater of
the following:
•
The average response time between the sending of an MGCP message, and receiving a response.
•
A specified lower limit, provisioned as
mgcp-t-tran
(default 400 milliseconds) in the
mgw-profile
table.
In a typical network, the average response time is much less than 400 milliseconds. Therefore, in this
section, the drawings show the initial waiting period as
mgcp-t-tran
.
Note
The drawings in this section are not to scale.