I have both a SPA2102 and a SPA3102.
I am not interested in using the FXO port on the SPA3102 and I know that the SPA2102 has two FXS ports (two phone lines) vs only one on the SPA3102.
I wonder if either or both the SPA2102 and SPSA3102:
1. Can make outbound calls w/o needing registration and, on the same line, receive SIP calls from another provider*?
2. Can make outbound calls using various providers by pressing #1, #2 etc?
(Is this called "gateway calling"?)
*) Specifically, I would like to send outgoing calls to an Obi202 and receive incoming calls from CallCentric.
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