IMHO I would use an ATA with two analog ports .. one port for the audio device (phone or intercom) and the other to trip the door catch. H
On Mon, Sep 26, 2011 at 10:05 AM, Lloyd Aloysius <[email protected]>wrote: > Hi All, > > I am looking for a SIP outdoor Intercom door entry device. > Any Recommendations? > > > > Thanks and regards, > Lloyd > -- * Henry Coleman* [image: Picture]
