[cisco-voip] Fax Routing Based on DIDs

[Wes Sisk]

Hi Anthony,

No, not by default.  It is possible to simulate this depending on how 
the fax server receives digits. If it needs signaling similar to the 
2400 baud signal used to deliver callerID, I don't know of any way.  If 
the FaxServer can take DNIS via DTMF, then it is possible with an h323 
gateway off callmanager. 

CM has route pattern 3XXXX pointing to h323 gateway
ios h323 gateway has POTS dial-peers configured to make a hunt group.  
Remember, any digit not specifically matched will be forwarded on a pots 
peer. so something like this:

// this is a comment
// one voip dial-peer to make sure dtmf comes out of band
dial-peer voice 1 voip
 incoming called-number .
 dtmf-relay h245-alphanumeric
 no vad
 codec g711

// now the POTS peers for the huntgroup
dial-peer voice 2 pots
 port 0/0
 destination-pattern 3....  // 3 will be stripped, 4 remaing digits will 
be pulsed out as DTMF
 prefix-digits ,,,      // router applies ring voltage, then waits 3 
seconds before pulsing out DTMF
dial-peer voice 3 pots
 port 0/1
 destination-pattern 3....
 prefix-digits ,,,
 preference 1
dial-peer voice 4 pots
 port 0/2
 destination-pattern 3....
 prefix-digits ,,,
 preference 2
 
/Wes

Anthony Mendoza wrote:

>When the call manager receives a call and passes it to an Analog gateway
>is the DID information passed on to the Analog device?  I'm looking at
>deploying a fax solution which would route Faxes to users Email Inboxes
>based on the DID dialed so I don't need a physical modem for each user.
>Can I accomplish this routing with Translation Patterns for the DID that
>points to the Physical Analog modem hunt group which may contain 4 or 8
>trunks?  Or will the dialed number information be lost once the call is
>sent to the analog ports?
>
>-Anthony
>
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