5 Things You Didn’t Know About SIP Trunking

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The advantages of SIP (Session Initiation Protocol) trunking are well-documented across the web. As an IP (Internet Protocol) based telephony service, SIP trunking is a completely virtual system. Connecting VoIP (Voice over Internet Protocol) telephone systems to the circuit-based PSTN (Public Switched Telephone Network), SIP trunking replaces the typical dual-connection model that has been traditionally used by businesses (i.e. the use of both IP and circuit switched telephone systems) with a single system.

In effect, each SIP line is equivalent to a traditional T1 phone line as offered by the telephone network — but with the added capabilities of being able to combine data, voice and video in a single line, eliminating the need for separate physical media for each. In addition, the SIP trunk allows the user to take advantage of any new cloud-based IP apps as and when they become available. The result is reduced overall cost, access to a greater range of professional features, and enhanced reliability for multimedia services.

The Advantages Of SIP Trunking

Usually, when writing about SIP trunking, bloggers often offer up a list of the business benefits for the technology — and I won’t veer too far from the norm here.

I want, of course, to tell you about some of the lesser known features and advantages of SIP trunking, but it would be remiss of me, I feel, not to give you a little bit more contextual information first about using SIP trunking for your business.

Reduced Costs

Firstly, there’s the money that you’ll save by using SIP trunking. Since you’re reducing the amount of lines that you will be using, you are of course reducing the overall costs of your telephone communications. Put simply, SIP trunking is a practice of efficiency, and efficiency will always lead to reduced spend.

Scalability And Flexibility

SIP trunking is also much more conveniently and precisely scalable than PSTN trunking. Like many solutions that stem from cloud computing technologies, SIP trunking is often deployed on a pay-as-you-go model, meaning that you can scale the service up and down as your business grows, and you only ever pay for what you use.

Reliability

Another reason that SIP trunking is so favored by so many organizations is in its disaster recovery capabilities. If a business can’t run in the event of a disaster, then it’s a business that is poised for failure at any given time. Business continuity of course relies a lot on communications, and if the unthinkable happens and a disaster strikes — be it natural or some sort of malicious cyberattack — then it’s essential that communications will be transferred over to a failsafe network that will enable the lines to stay open.

Thankfully, that’s exactly what SIP trunking offers. SIP trunks can be programmed so that even if there is an entire office meltdown, the lines simply roll over to backup sites, and from there to additional devices that are on the network or at a backup facility.

5 Things You Didn’t Know About SIP Trunking

Ok, so those are a few of the advantages to SIP trunking that should hopefully serve as a suitable introduction to this great technology.

But, as good as they are, the above features are quite well known — even amongst those that have no experience with SIP trunking. The main purpose of this blog post, however, is to enlighten you as to some of the lesser known benefits. Here are our top 5 things you didn’t know about SIP Trunking.

1. Quick Return On Investment

Plenty is said about how employing SIP will save you money, but what’s often overlooked is just how quickly you will see a meaningful ROI (return on investment).

Right from the moment you decide to go for SIP trunking, you will notice that there is no need for a massive upfront investment of your capital to get things up and running. Indeed, the hardware will be hosted with your SIP provider, and the cabling you need will already be installed, and all other costs including maintenance, management and any upgrades that become available are all absorbed into your monthly fee.

The efficiencies that SIP trunking enables also results in higher productivity, and when you put it all together, businesses normally start seeing a ROI within six months.

2. Video Ready

Literature on SIP trunking will often tell you things like ‘SIP trunking enables multi-media exchange of data and VoIP all over the same network.’ It sounds impressive, but what does this mean exactly?

Well, for one, it means that as soon as you employ SIP trunks then, all over the same line — your IP connection — you are able to use the phone and the internet and all of the internet’s communication capabilities. All staff that have video-enabled IP phones will be able to video conference one another with SIP trunks. The video connection will be carried over the same network that handles the rest of your phone traffic. Brilliant.

3. Compatible With Legacy PBX

If your business still has a legacy PBX hardware system on-site, then you may feel a little anxious. It’s true that such hardware is incompatible with many new communication technologies, which you covet, but feel as if a complete new system would be too expensive.

But, what many don’t realize is that you can use SIP trunking and not have to replace your existing PBX at all — all you need is to install an Integrated Access Device (IAD) on your PBX which will interface with your SIP. Easy.

4. Simplifies Billing

This again is something that is overlooked in a lot of literature about the benefits of SIP trunking. Since you are truncating multiple communication lines to one single communication line, not only are you saving money, but you’re also cutting down on the amount of bills that you or your admin team will have to process — once again saving you money and resources.

5. Improved Security

Hacking your business’s phone calls becomes an extremely sophisticated endeavor with SIP trunking. Of course, there will always be absolutely determined individuals out there, which means that nothing can ever be said to be 100% safe from attack. But, the only way someone can eavesdrop on IP calls is to capture packet information en-route and then reassemble the data into a conversation. It’s not impossible, but it’s extremely difficult, and, when combined with the additional security measures that you will naturally take, the safety of your conversations will be far, far more robust than what you could achieve with traditional telephony.

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