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SRST Problem - Cri

kumar3880
Level 1
Level 1

hi

We have a CUCM 6.0 setup with 2811 router as the voice gateway.I have configured it for SRST also.I have made the necessary changes in the CUCM.I am able to view th SRST Ip address in the Ip Phone also.

But when i try to create a ACl in the access switch to which the IP Phone is connected and block the IP Phone's IP address with the CUCM's IP,SRST doesnt work instead the phone shows me as "registering"

My question is whether do i have to make any other changes to make the phone to register with the SRST router.Is it necessary that the SRST router must not be able to reach the CUCM so as the IP PHONE to register with it.

The configuration I have done is

call-manager-fallback

max-conferences 8 gain -6

ip source-address 10.101.35.1 port 2002

max-ephones 36

max-dn 40

keepalive 20

The Sh call-manager-fallback O/P is given below

ip source-address 10.101.35.1 port 2000

max-ephones 36

max-dn 40

max-conferences 8 gain -6

dspfarm units 0

dspfarm transcode sessions 0

huntstop

time-format 12

date-format mm-dd-yy

timezone 0 Greenwich Standard Time

keepalive 20

timeout interdigit 10

timeout busy 10

timeout ringing 180

caller-id name-only: enable

Limit number of DNs per phone:

7910: 36

7935: 36

7936: 36

7940: 36

7960: 36

7970: 36

Log (table parameters):

max-size: 150

retain-timer: 15

local directory service: enabled.

Regards

Kumar

2 Replies 2

mattcalderon
Level 4
Level 4

What does your ACL look like? It may be you have denied too much possibly??

hi

the ACL is

ip access-list extended 102

deny ip host "ip phone's ip" host "ccm's ip"

permit ip any any

regards

Kumar

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