“I am interested in a OOMA Telo Air. Is this device compatible with the CISCO SPA 303-3 IP Phone? What is the simplest wall mount phone that might be compatible?”
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Beware of making any purchase until you check with your internet provider that they support Ooma. I have AT&T and they do not support third party connections, they are blocking my Ooma device with a firewall.
Sorry, there was a problem. Please try again later.The Telo works with any phone that connects via an RJ14 cable including anywhere in your building using the building telephone wiring - as long as that wiring is not connected to any phone company equipment. The Quick Start Guide shows you how.
Sorry, there was a problem. Please try again later.The Ooma is not compatible with other IP phone devices. It is itself a VOIP device. It does have a jack you can plug a conventional landline phone -- or conventionally-wired group of them -- into which works fine. Or you can use the wireless phones Ooma sells, of which a Telo can support 4 at once, in addition to whatever wired phones are connected to it.
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