I am attempting to set up SRST on a remote site. I have a 2651 and have more than 24 phones at that site (52). Currently all 52 phones have the 2651 set as their default gateway. Is there a way to pick which 24 phones will register with the SRST on the 2651. We are a school district and it would be nice to tell the users that in the case of an emergency phone A, phone B, and Phone C will still work. I was looking for some way to force only 24 specific phones to register so that we could always know which phones would be active in case of a WAN Link failure.
Since we are running C 3.1 there is no way via access-list or anything else. 3.2 addresses by phone whether or not you have SRST enabled?
Ok I was hoping there was a way to block/enable it at the router without having to touch my CM cluster. I will probably wait for CM 3.3 to come out before tackling this. Thanks!
3.1.3(a) has the feature of selecting phones for SRST. Since you are already running 3.1.x this should be a very painless upgrade. As for doing it on a router, there really is not an easy way unless you can put the phones that you do not want to have the SRST option and place them in a different VLAN that points their Default GW to something other than the SRST router.
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