H.225 timeout establish delay

H.225 (which is a subset of h323 and is used for call setup) has a 15 second default timeout before trying to establish a call to the PSTN. This can be modified using voice classes, as shown in the following commands:

voice class h323 tag

h225 timeout tcp establish seconds

The configuration is as follows:

voice class h323 1

h225 timeout establish 2

Apply it the dial-peer as follows:

dial-peer voice 100 voip

voice-class h323 1