Virtual PBX Featured Article

Harness the Power of VoIP with SIP Trunking, Virtual PBX

July 24, 2015

By Michelle Amodio - Virtual PBX Contributor

Businesses that have tapped into VoIP’s cost-saving and productivity-enhancing measures have taken the technology’s benefits a step further through SIP trunking and virtual PBX.


While the two are mutually exclusive, both virtual PBX and SIP trunking provide the backbone and foundation to make VoIP work for modern communications systems.

SIP trunking comes with a host of benefits that companies can take advantage of with their communication needs, specifically, by replacing traditional fixed PSTN lines with PSTN connectivity via a SIP trunking service provider on the Internet. What this means is cheaper communication bills and eliminating the need for local PSTN gateways.

SIP trunking is a preferred technology thanks to its cost effectiveness and hosted services. SIP trunking technology is the perfect solution for customers who already own a phone system but want to reduce their monthly phone bill. SIP phones are used in a SIP environment and are pretty much the same thing as their VoIP phone counterparts; these are telephones that allow phone calls to be made using VoIP technology.

Essentially, SIP trunking is the hub of hosted phone systems. Because SIP trunking is an IP-based telephony service, businesses get number flexibility, which provides a whole host of other added benefits that can solve real business issues.  SIP trunking also provides business continuity and is resilient.

But what about virtual PBX and how can this foundation build a powerful VoIP system?

PBX stands for “private branch exchange,” and it is responsible for switching calls between users on local lines while allowing all users to share a certain number of external phone lines. The main purpose of a PBX is to save the cost of requiring a line for each user to the telephone company's central office.

In a hosted or cloud model, there is a nominal investment in telephone sets that are compatible with VoIP, but there are no operating, maintenance or upgrading costs to worry about. Virtual PBX allows businesses added growth flexibility, regardless of size.

In the virtual sense, PBX brings with it cost savings as well as increased productivity.

A virtual PBX is a good choice when a company or organization can’t be bothered with complicated phone systems. There is no longer any need to worry about scalability and upgrades due to capacity requirements. Managing line cards, trunk cards or space in your capacity is not required. Hosted PBX providers handle capacity, performance and configuration of the total VoIP system.

The need for IP communications in business is a topic that’s always been a hot one in IP telephony news. Companies of all sizes need dependable communications because it provides them with enhanced communication tools to better serve their customers and get the most out of their workforce. What is the foundation of your system?




Edited by Maurice Nagle


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