SRST on 2851 H323 pots fxo inbound not working

Unanswered Question
Nov 19th, 2008
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Have 2851


IOS SPservices 12.4.15T

See attached config.

During WAN outage SRST works fine. Calls can be made outbound but calls cannot be made inbound.

When main number called gateway picks uup the call in 1 ring and the caller hears dead silence the alias DN never gets a ring. Then after 30 seconds the caller hears busy signal. What is wrong with this config?

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alias is the command that would need..I see that you are sending calls to 3210

alias 1 435XXXXXXX to 3210

alias 2 435XXXXXXX to 3210

alias 3 435XXXXXXX to 3210

1) Are you receiving 10 digits from the PSTN, if you receive 4 then set 4 digits instead of 10.

2) Is 3210 a DN on a phone that gets registered in SRST, if not it is not going to work...


TODD BERGMAN Thu, 11/20/2008 - 10:47
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I figured it out. Yes 3210 is an extension for the operator. My connection plar extension is 3202 which is an AA. So my alias needed to be "alias 1 3202 to 3210" .

This solved my problems.

Thanks for your response.


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