[Asterisk-Users] DID trunks -- equipment requirement

[Robert Hajime Lanning]

<quote who="Josh Rollyson">
> I'd look into ISDN, both PRI and BRI. If the costs are not too
> prohibitive, this would be the most flexable option. ISDN uses out of
> band signaling and has a number of features which complement a DID
> enviroment, such as DNIS (dialed number information service), where the
> number dialed is passed along with an incoming call. If your enviroment
> never uses all its outside lines at the same time, this can be cost
> effective, because you can have direct dial numbers for all the phones
> without a one to one correspondance of outside lines to extensions. PRI
> is usually too expensive, but sometimes BRI is affordable, however you
> should check on pricing for both to see if they may be cost effective.

I wish SBC would offer DID via BRI.  DID is only available via PRI or
individule analog trunks.

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       -MCP