What are SIP, VoIP and PBX?

SIP, VoIP and PBX are various telephony technologies which have completely redefined telecommunication capabilities. With an increase in SIP and VoIP consumption, businesses are leveraging the way they communicate with customers to benefit their competence and reputation.  Several studies highlight exactly how in-demand these three cloud technologies have become – and it doesn’t look to be slowing down anytime soon!

So what are these technologies and how have they contributed to the thriving Internet-operated telecommunication world? Let’s review each one individually.


Session Initiation Protocol, or SIP, controls VoIP calling. It is actually the driving force behind the connection. SIP routes voice calls over the Internet and helps preserve voice quality.


Voice over Internet Protocol, or VoIP, is a technology which enables telephone calls to be made over an Internet connection, either LAN or broadband. Businesses that utilize VoIP can benefit from this inexpensive, flexible solution in many ways.


A private branch exchange, or PBX, plays the role of “phone manager.” PBX devices can either be on-premise or hosted solutions. It also can support SIP or VoIP technologies. This system routes calls to appropriate destinations, as well as offers an array of features which provide convenience and efficiency for your business. Customer service can be improved tremendously when employing a PBX. Features like auto attendant, call recording, and time-of-day routing contribute to its business success, as well.

Besides it being feature-rich, PBX devices are great for cost savings, too. When hosted, his low-maintenance device offers instant system updates and upgrades, reduced downtime and unlimited virtual extensions.

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