and there are more than a hundred SIP providers worldwide that provide the POTS/SIP conversion. SIP origination allows a POTS telephone number to be dialed and answered by a SIP phone. SIP ...

Discover the best SIP trunking providers and how to choose one in our ... Check out my full RingCentral review for more details. Cloud Connector is RingCentral’s SIP trunking and cloud ...