[Asterisk-Users] alternative FXO gateway to Mediatrix 1204?

[Ernest W. Lessenger]

> Can anyone recommend a FXO gateway product that does behave 
> in this "more
> correct" manner?

We use an AudioCodes MP-108 and have been quite happy with it. NOTE: Make
sure you get the most recent software build, the one that came installed on
ours was REALLY old.

--Ernest


> -----Original Message-----
> From: asterisk-users-admin at lists.digium.com 
> [mailto:asterisk-users-admin at lists.digium.com] On Behalf Of 
> Peter Lawrence
> Sent: Monday, May 10, 2004 12:12 PM
> To: asterisk-users at lists.digium.com
> Subject: [Asterisk-Users] alternative FXO gateway to Mediatrix 1204?
> 
> I bought a couple of Mediatrix 1204's a few of months back.  
> (Perceived
> advantages were relatively low overall cost and size per port, and
> it isn't nearly as vibration sensitive as a PC would be.)
> 
> Rich Adamson's review from Feb 1 is comprehensive, and the 
> only thing I'd
> like to add is this:
> 
> One "feature" of these units that absolutely infuriates me is its
> behavior for an incoming PSTN call:
> 
> 1) upon sensing an incoming PSTN call, it goes off-hook (after
> approximately two rings)
> 2) then and only then, it sends an INVITE to the 
> pre-programmed SIP URL
> 3) if the user agent on the other end doesn't respond with an OK, it
> eventually plays a fast busy to the PSTN caller
> 
> This seems so wrong.  Shouldn't a more correct implementation 
> be to send
> an INVITE as soon as the PSTN ringing voltage is detected, 
> and if and only
> if the user agent on the end OK's should it go off-hook?  
> There's no sense
> in going off-hook unless there's a SIP phone ready and able 
> on the other
> end to answer it.
> 
> Can anyone recommend a FXO gateway product that does behave 
> in this "more
> correct" manner?
> 
> Does anyone know if the new Sipura SPA-3000 can be configured 
> to do this?
> 
> Thanks.
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