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SRST configuration h323 gateway

Hi All,

I am a newbie on to Voice technology and require your help. My company would like to enable SRST on one of its site and the gateway is configured as h323. Attached is the gateway configuration can someone please help me with the configuration!!

Confguration on the call manger side is completed.

CUCM 6.3

Gateway 2821

Is there any service we need to enable on the callmanager end for SRST.

I have referred many docs but not very clear on with configurations with ours.

Another question i have all the phone in this office work on extension mobility, 3 lines are configured  with two speed dials, so will the phone work same way when it goes on SRST mode.

Please help!!!!!!!!!!!!!!!!!!!!!!

  • IP Telephony
1 REPLY
Cisco Employee

Re: SRST configuration h323 gateway

Configuring SRST for H323 GW is pretty straight forward.

Technically u only need following CLI...


call-manager-fallback

  ip source port 2000

  max-ephone xx

  max-dn


You may need some digit manipulation/xlations if u r juggling anything

via ccm xlations.


SRST and E.M: Phone will retain it's E.M. parameters during 
SRST, provided that the phone is not power  cycled.

Admin Guide:

http://www.cisco.com/en/US/docs/voice_ip_comm/cusrst/admin/srst/configuration/guide/srs_over.html#wp1469317

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