Cisco CP-7911G-CH1 System Administrator Manual page 151

Configuring Call Handling
Command or Action
Step 6
voice service voip
Example:
Router(config)# voice service voip
Step 7
h323
Example:
Router(conf-voi-serv)# h323
Step 8
h450 h450-2 timeout {T1 | T2 | T3 | T4}
milliseconds
Example:
Router(conf-serv-h323)# h450 h450-2 timeout T1
750
Step 9
end
Example:
Router(conf-serv-h323)# end
Examples
The following example specifies transfer with consultation using the H.450.2 standard for all IP phones
serviced by the Cisco Unified SRST router:
dial-peer voice 100 pots
destination-pattern 9.T
port 1/0/0
dial-peer voice 4000 voip
destination-pattern 4...
session-target ipv4:10.1.1.1
call-manager-fallback
transfer-pattern 4...
transfer-system full-consult
The following example enables call forwarding using the H.450.3 standard:
dial-peer voice 100 pots
destination-pattern 9.T
port 1/0/0
!
OL-13143-04
How to Configure Cisco Unified SCCP SRST
Purpose
(Optional) Enters voice service configuration mode.
(Optional) Enters H.323 voice service configuration mode.
(Optional) Sets timeouts for supplementary service timers,
in milliseconds. This command is used primarily when the
default settings for these timers do not match your network
delay parameters. See the ITU-T H.450.2 specification for
more information on these timers.
T1: Timeout value to wait to identify a response.
•
Default is 2000.
T2: Timeout value to wait for call setup. 
•
Default is 5000.
• T3: Timeout value to wait to initiate a response. Default
is 5000.
• T4: Timeout value to wait for setup of a response.
Default is 5000.
milliseconds: Number of milliseconds. 
•
Range is from 500 to 60000.
(Optional) Returns to privileged EXEC mode.
Cisco Unified SCCP and SIP SRST System Administrator Guide
151