SIP Trunking: How it Can Benefit Your Business

When you look into business voip solutions, you might come across the aspect of SIP trunking. It’s without a doubt that SIP trunking is now taking the commercial world by storm, and with good reason. But what is SIP trunking?

A SIP trunk is the use of a SIP or Session Initiation Protocol to set up communications without the use of a direct telephone line but with the utilization of the Internet. Businesses can use the Internet to connect them to a customer with the aid of an Internet telephone service provider (ITSP). The service provider will transfer the SIP calls to PSTN. What makes it different from having the traditional landline calls is it gets rid of physical wires which makes sense to create a logical connection between business and client. Here are a few other benefits that you can get with SIP trunking.

Say Goodbye to Separate Voice and Data Connections

Businesses who take advantage of SIP trunking reduces overall costs by removing the need to having separate data and voice connections. It will thereby expand the potential for the convergence of communications as it makes use of both voice and data connections in one package. Also, as the company grows, the business no longer needs to deal with rewiring telephony connections because all the necessary infrastructure is already there. One SIP trunking account can benefit any enterprise, no matter how large the company may be.

All Calls Now Become Local Calls

Since a SIP trunking service provider delivers numerous streamlining benefits to a company, it means businesses can now outsource their PSTN connectivity to a third party provider. In doing so, it lessens the overall costs of long-distance calls because calls made through SIP will just travel over the Internet. For example, one company from the US that uses both SIP and VOIP will initiate a call to connect to a client in Sweden. The call will then route first to the SIP trunking service provider through the public Internet. After which, the service provider will then redirect the call to its point of presence that’s closest to the customer located in Sweden. Ultimately, this closes the gap between business and client without spending a ton of money in long distance calls as calls made are just made through the World Wide Web.

Take Advantage of Costly 800 Calls, But Without the Additional Charges

With a SIP trunking service, you no longer have to provide customers with costly 800 numbers. The SIP trunking service provider will establish local numbers in its city where its services apply for customers of the company to call. The calls placed by clients will then be terminated locally but are redirected immediately to the Internet that’ll eventually reach the business’ call center.


ENUM, or otherwise known as Telephone Number Mapping, is a process utilized to automatically search for phone numbers and to determine if they match a known SIP address. In doing so, it allows the call to be processed and completed over the Internet. Note that there is no traffic placed on the PSTN. Hence, ENUM can provide additional cost-saving solutions for businesses that aim to communicate with other firms in hopes of acquiring prominent B2B relations.

Without a doubt, SIP trunking is a cost-efficient method of connecting clients and businesses without the hassles of using landline telephony systems.


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