SRST and CCM 5

Unanswered Question
Oct 6th, 2007
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Here is a strange one. Doing a cutover from 4.x (Old server) to a Pub and Sub 5.1 system. everything works well except for srst.

the phone comes up with the active and standby as well as the srst but if i fail the WAN nothing happens. just stays at registering.

now if i put them back on the old ccm it works properly.

changes i have made are as follows:

ccm-manager config server <to new ip>

all other configs remain the same


max-conferences 6 gain -6

transfer-system local-consult

limit-dn 7910 1

limit-dn 7940 2

limit-dn 7960 2

ip source-address <ethernet> port 2000 strict-match

max-ephones 20

max-dn 20

system message primary Main link down

dialplan-pattern 1 31.. extension-length 4 extension-pattern 31..

keepalive 10

default-destination 3160

access-code fxo 9

any ideas?

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Chris Deren Sun, 10/07/2007 - 09:56
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ccm-manager config server

is for your MGCP config and does not matter here.

did you change the:

ip source-address port 2000 strict-match

Do you have the SRST referece defined on CM? Is it associated with the proper Device Pool?


a.gooding Sun, 10/07/2007 - 19:30
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the ip-source address remained the same - local ethernet ip. this was there before. i have defined 4 device pools for my 4 locations and in my srst i put to use each location. i have also defined my srst reference to point to the IP i had configured on the old system. Now all phones are 7912-A. would firmware be an issue here?.

a.gooding Mon, 10/08/2007 - 11:32
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Any suggestions on this one.?


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