VoIP, or Voice over IP, is voice communication transmitted over the internet. Traditionally, voice communication was transmitted over the Public Switched Telephone Network (PSTN). That was the network of copper phone lines either hanging overhead or buried underground, connecting all the residential homes and businesses in any given area. If…
TDM stands for Time Division Multiplexing. It’s the technology behind traditional phone service. VoIP stands for Voice over IP and is the transmission of voice communication over the internet. The following are how particular TDM services compare to their VoIP counterparts: PRI vs. SIP – The strengths of PRI are…
What Is SIP Trunking? SIP stands for Session Initiation Protocol. It is a form of Voice over IP. SIP trunks are call paths over the internet. SIP trunks don’t really exist. People are just used to phone lines and circuits and it’s easier to understand if you make it seem…
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