We need three methods: (1) Dial a phone number (2) SIP URI Dial (3) SmartPhone App to multi-factor authenticate via Phone Factor
We need three methods: (1) Dial a phone number (2) SIP URI Dial (3) SmartPhone App to multi-factor authenticate via Phone Factor. Today methods 1 and 3 are supported. As systems move to VoIP, SIP URI will become the standard way to dial a hardware/software based phone.
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