[Asterisk-Users] Mediatrix sip fxo gateway workaround?

[Clif Jones]

Rich,

If the Mediatrix uses the Caller-ID field to select which channel to 
use, then you really have no
choice but to do that.  As you pointed out, the Caller-ID info is not 
(and cannot) be passed to
the PSTN line.

Rich Adamson wrote:

>Possible Mediatrix 1204 fxo sip gateway workaround
>
>Need some feedback from experienced * users relative to this workaround
>please please please.
>
>Problem: The mediatrix 4-port fxo gateway does not provide any mechanism
>for * to select which "port" an outbound pstn call will use. (See lots
>of previous posts over the past four days for more detail if needed.)
>
>Our reseller has been working with Mediatrix to find a way for *
>to send pstn calls to a specific port number on their 1204 4-port fxo sip 
>gateway. The proposed work around (below) sets a unique-but-well-known 
>CallerID prior to sending the call to the 1204, and the 1204 filters on 
>the CallerID sending the outbound call to the designated port. (The 1204
>_does_ have such filtering/routing capability.)
>
>Since this unique callerid is _never_ forwarded to the US pstn providers,
>does anyone see any technical or management problem with using this approach
>both in the short and long term???
>
>I'm thinking this is an acceptable workaround since it does not require
>micro-managing the dialplan, the 1204, etc. In my case, I'm not very concerned
>with scaling the solution since we could only hope business would increase
>to the point where four additional pstn analog lines were needed. ;)
>(FWIW, a 3,congestion statement can be added to the proposed statements.)
>
>Thoughts anyone?
>Rich
>
>  
>
>>Ok, you need to use the net2pstnsourcefilter  to make this work. In this
>>example you need to set port 1 to 1111, 2 to 2222, 3 to 3333, 4 to 4444 .
>>Then with the extension configuration below, and number starting with 9 will
>>go to port 1 with the 9 removed from the string sent. Any number starting
>>with 8 will be sent to port 2 with the 8 removed from the string sent and so
>>on. It works like a charm on my 1204.
>>
>>[SIP]
>>exten => _9.,1,SETCIDNUM(1111)
>>exten => _9.,2,Dial,SIP/${EXTEN-1}@66.45.103.2
>>
>>exten => _8.,1,SETCIDNUM(2222)
>>exten => _8.,1,Dial,SIP/${EXTEN-1}@61.45.103.2
>>
>>exten => _7.,1,SETCIDNUM(3333)
>>exten => _7.,2,Dial,SIP/${EXTEN-1}@61.45.103.2
>>
>>exten => _6.,1,SETCIDNUM(4444)
>>exten => _6.,2,Dial,SIP/${EXTEN-1}@61.45.103.2
>>    
>>
>
>
>
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