Ask the Telecom Pro – Difference Between SIP and VoIP

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Ask the Telecom Pro – Difference Between SIP and VoIP

Timothy C. Colwell Timothy C. Colwell
SVP, Efficiency First® Adoption
AOTMP

Ask the Telecom Pro

Q: What’s the difference between SIP and VoIP?

A: VoIP is a term that means voice communications over IP networks. There are many different proprietary and open source protocols that can be used to deliver VoIP. Session Initiation Protocol, or SIP, is a specific protocol used to achieve VoIP. While SIP is a method of VoIP, not all VoIP is SIP.

Q: Are state taxes for cell phones assessed based on the area code for the service number?

A: No. Taxes are assessed based on subscriber mailing address, not the area code of the service number. For reference, Nevada has the lowest state tax at 1.9% and Washington state has the highest at 18.6%.

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Timothy C. Colwell is a telecom management industry thought leader exploring the impact of technology as a business accelerator and social capital enabler.

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2017-01-21T12:32:12+00:00 May 3rd, 2016|Categories: Ask The Telecom Pro, Terms and Definitions|Tags: , , , |