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5 Things You Didn’t Know About SIP Trunking - Net2Phone - Blog

5 Things You Didn’t Know About SIP Trunking

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

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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.


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.


Publish Date: October 28, 2016 5:00 AM

2020 Buyers Guide Dialer Solutions

Acqueon Technologies Inc.

Acqueon's AI-driven conversational engagement software enables sales, marketing and service organizations to engage in emotionally connected dialogs with customers via their channel of choice for significantly improved results. The Acqueon suite adds multichannel campaign management, contact center analytics, desktop, and CRM connectors for your contact center software of choice, including Amazon Connect, Cisco, Nice inContact, and Twilio. Acqueon conversational engagement software leverages the Acqueon IQ platform to aggregate data from the various applications, assemble rich customer contexts, and drive next-best-action using powerful statistical and predictive models.
PH: +1 888-946-6878

Call Center Studio

Call Center Studio
Call Center Studio is the world’s first call center built on Google and is one of the most secure and stable systems with some of the industry’s best reporting. It is one of the most full-featured enterprise grade systems (with the most calling features, one of the best call distribution, outbound dialing features and integrations—including IVR, AI Speech Recognition, blended inbound/outbound calling and includes Google’s new Dialogflow and Speech API. Call Center Studio is the absolute easiest to use (with a 10 minute setup), and is the price performance leader with lower equipment cost and less setup time.
PH: +1 512-872-7565

Cloud IT Services GmbH

Dialfire offers you a complete call center solution that is simple and intuitive to use and adapts to your needs. It's completely cloud-based, saving you the hassle of setting up a phone system and installing software. In addition to predictive dialing and call blending of inbound calls, you can create personalized campaigns through an intuitive and easy-to-use interface. Features include automated workflows and full control over the agent screen.

You can see the full list of features here:

ComSys S.A.

CList for Outbound Campaigns Management
CList by Comsys is an application that helps contact centers enhance the performance of their outbound campaigns. It accomplishes that by enabling the planning and execution of sophisticated communication strategies. Additionally, the AI-powered module of CList extends the possibilities of outbound campaigns delivering unprecedented results.
Comsys is a provider of οmnichannel customer engagement solutions that assist companies around the world in delivering unique customer experiences. For the last 15 years, Comsys designs and implements complex projects for clients from the outsourcing, financial services, telecommunications, and retail sectors. Comsys enjoys strategic partnerships with t...
(read more)
PH: +302109241486

Consilium Software

Consilium UniCampaign™
Reaching the right person with the right information on the right channel at the right time is a tall order. That’s the power the new Consilium UniCampaign™ has been adding to Cisco outbound contact centers, easily tripling or quadrupling results, from improving digital customer acquisition to managing post-sale customer relationship. Delivering proactive outbound engagement in a game-changer product, Consilium UniCampaign™ is an omnichannel List and Campaign Management (LCM) solution which complements the strength and robustness of Cisco's Outbound Dialer with the implementation of multichannel (voice, email, and SMS) outbound contact strategies. The new 7th release of UniCampaign™ is des...
(read more)
PH: (+61) 406 501 368


Dialer software that makes customer contact pain free, so your team aren’t worried about complex technology and can focus on what they do best. Dramatically increase agent productivity using a variety of dialers, combined with AI, leveraging data-driven contact strategies to ensure the right agent is contacting your customers at the right time.

Take control, and ensure your team are on-message by designing the perfect agent interface with a drag-n-drop visual WYSWYG editor.

Rotate CLIDs, and auto-wrap certain calls to ensure maximum agent productivity and performance.
PH: +6188803111


Genesys PureConnect
Genesys PureEngage

Cloud IT Services GmbH

Companies of all sizes rely on the cloud-based call center platform Dialfire and its powerful predictive dialer. Dialfire is ready to use within minutes and easily personalizable. From small ad-hoc to large multi-step campaigns, Dialfire offers high scalability. Adapt customer masks and automate workflows per mouse click. Integrated scripting and APIs ensure a smooth connection with external systems.
PH: +49 351 44529800


With Megadialer you will get a customized call center software. With the creation of personalized questions, surveys and sales script you will have the information you need from your customers quickly and efficiently. Improve the performance of your agents with a 100% online contact center, real-time analytics and predictive dialer to optimize the time between one call and another.

All rates include:
Instant Call Reports
On-Demand Recording
Call Supervisor
Call Layout after Completion
Your Own Caller ID
Call Monitor
Automatic Re-Calls
Automatic sending of Mails
Incoming Call Management
Real-time Activity Panels
Call Lists for Agents
Different Levels of Administration
PH: +34 952 667 511


Advanced outbound solution including predictive dialing, featuring patented technologies such as Live Person Detection (LPD™) and SNoDrop™ using Artificial Intelligence to deliver compliant & effective predictive dialing with 0% abandoned call rates. The solution includes its own CRM system as well as visual campaign creation and management as well as automated data import and export capabilities. The package comes with highly visual and open call scripting technology and an SDK (Software Development Kit) is also available for embedding the dialer into your own user front end.
PH: +44 345 0181 070


Reach more contacts, in less time with PhoneBurner. Powering thousands of client and millions of calls, our cloud-based software eliminate repetitive tasks so agents have up to 4x more live conversations. Unlike other dialers, PhoneBurner delivers 100% delay-free connections with no awkward pause. Conversations start off with promise, not hangups.

- Call 60-80 contacts per hour, per agent
- Instantly leave voicemails
- Send 1-touch emails
- Automate workflows and call logging
- Record and transfer calls
- Access reporting and analytics
- Intelligently distribute leads
- Dial from local Caller IDs
- Get free white-glove onboarding

Scales to any size team with no contracts, no setup fees, and no per minute charges. Start a free trial without a credit card.
PH: 877-588-2292


Predictive Dialler
A predictive dialler is an outbound call system that automatically dials from a list of telephone numbers. Also known as Power or Auto dialers it will automatically help agents make more calls, generate higher rates of connections, increase conversions, manage voicemail, no-answers and disconnected numbers.

We’ve made it easy to get started, we offer packages to best suit your needs and don't tie you into long term contracts. Don't take our word for it take out a no-commitment free trial!
PH: +441617102740

Tru29 Outsource Solutions Inc.

Custom Outsourced Solutions
Tru29 Solutions tailor fits a dialer solution that will truly suit your needs.

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