Re: [hylafax-users] DID?

[Lee Howard <faxguy@xxxxxxxxxxxxxxxx>]

Andres Paglayan wrote:

> there's two ways to make DID, (direct inward dialing) work,
> did is what the caller dials to call you,
>
> 1./ use a DID capable fax modem, ($500)
> pros: easier to set-up
> cons: looks like it takes all the wire for itself (must be fax  
> dedicated)
>
> 2./ use a pbx to convert DID into CallerID, and use a callerID  
> capable fax/modem
> in this case


The other way this is commonly done is with a voice-capable modem (in 
addition to fax) and then to program the PBX to signal the DID via DTMF 
after the modem takes the line off-hook.  HylaFAX instructs the modem to 
listen for the DID via DTMF, and then when received, it answers with 
normal fax tones.  See the "SHIELDED_DTMF" stuff in 'man hylafax-config'.

Lee.

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