How Does SIP Trunking Compare to Hosted VoIP?

Because of the flexibility of VoIP, there are many implementations that can be used depending on the circumstances and the preferences of the entity that wishes to set it up. In some cases, organizations might already have existing infrastructure that is geared towards IP communications without possessing a full-fledged VoIP system. These businesses might wish to leverage their capital investment in order to create a more advanced network that is able to communicate with the outside world. For such organizations SIP trunking is a useful option. So what exactly is SIP trunking?

The phrase derives from the setup where all the heavy lifting is done not at a third-party like an Internet telephony service provider, but at the site of the client itself. The necessary hardware for processing VoIP calls and handling inbound IP communications already exists at the site and all that's needed is an Internet pipe or "truck" that interfaces with the VoIP Gateway allowing the organization to make use of its hardware to connect to the PSTN system. There's quite a lot of debate as to which system is better - SIP trunking or hosted VoIP. The truth is that hosted VoIP is more convenient for those who are new to SIP communications and don't want to take on the hassle of purchasing managing and maintaining expensive VoIP hardware.

But there are some large companies who prefer to have everything under their own control. Such firms probably have their own data centers which they can easily make use of to take on the additional load of VoIP. Going down this path certainly has its benefits in terms of privacy in that your data doesn't have to pass through the hands of a third party. There is also a bit of extra flexibility as clients can tweak and change their configurations depending on the requirements. The flexibility and privacy however come at a cost.

Those opting for a hosted VoIP setup need not distract the focus of their business from their core activities. Managing and hosting VoIP hardware is no joke and it requires a dedicated team of IT professionals who know what they're doing in order to keep it running smoothly. The capital costs are significant along with the danger of obsolescence. After all, how many companies even own their own Web server? Not many. The trend these days is all towards outsourcing nonessential technologies to expert third parties. The same is true with hosted VoIP.

If you have existing IP hardware and want to know how you can extend it to communicate with the outside world, contact your ITSP to find out more. If however you'd like to go with a hosted PBX system, find out how you can get started in less than 15 min.

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