Phones in SRST will not register

Unanswered Question

I'm running CM 6.1 and IOS versoin 12.4(9)T7. Has anyone seen an issue where 7942 phones won't register with SRST but 7911's will? The phones register with CM frist, but when the T1 goes down, only the 7911's have thier DN, the 1942's are just blank. If I do a "show ephone" on the SRST router they show all the phones are registered, but it doesn't recognize the type 7942.


max-conferences 8 gain -6

transfer-system full-consult

ip source-address port 2000 strict-match

max-ephones 20

max-dn 30

alias 1 2599 to 2505 cfw 2506 timeout 15

I have this problem too.
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Overall Rating: 5 (1 ratings)
Chris Deren Sun, 07/20/2008 - 06:47

You need SRST 4.1 to support the 79X2/5 phones, SRST 4.1 became available in IOS 12.4.14T, so 12.4.15T is your best bet. I would stay away from 12.4.15T5 and 6 as we have found critical dspware bugs, which are suppose to be fixed in T7, your safest bet is 12.4.15T4.




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