What is Hosted PBX?

PBX, which stands for Private Branch Exchange, is a telephony technology that has existed for a long time. It refers to a private telephone network used within an organization where users can communicate both internally (within the firm) and externally (with the rest of the…

How does SIP work?

Internet telephony is quickly becoming the ideal option for most firms, owing to its increased reliability and accessibility. Two application layer protocols form the backbone for IP telephony, SIP and RTP.  The Session Initiation Protocol (SIP) exists within the Network Layer, Internet Protocol, and is…

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