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Burstable SIP Phone Lines – Pay only for what you use (The better cheaper way to buy phone lines)

By August 10, 2017 Voip

Burstable SIP Phone Lines. One easy way to lower your phone bill.

This is the spin on the old goofy way of buying phone lines for your phone system. (And even better, the new-“er” and equally goofy way of buying SIP channels really hasn’t changed the world all that much.)

Think about it:

The old way:

  • Phone System
  • Legacy Phone lines

The new way – SIP Phone Lines:

  • Legacy Phone System
  • SIP Trunks that replace the old phone lines using a gateway to emulate the old phone lines
  • Angry old Phone System “Interconnect” or installer yelling at you not to do this

The one, new cool(er) way to lower your phone bill:

Burstable SIP Phone Lines or Channels, or… the option to Pay only for what you use.

Consider this example of a business or public sector site with 11 locations.

Our way. Fast and easy. We provide a $ 2.00 phone number (includes the port charge) for each location all pointing to a group of “shared” channels at $ 15.00 each that are billed based on a 95% utilization.

How does a Burstable SIP Phone Line work?

95% utilization means that you can use the trunk capacity and ONLY are billed if you utilize 95% of the provided channel. This 95% is calculated on a 24 hour day and a full 30 or 31 day month.

So, in this case….

The old way of 11 locations with 10 phone lines per site (as an example) would be 110 lines at a traditional Telco 1FL charge of $ 40 (guess) dollars per month (all features in…. some are higher, some are lower). This would be a traditional charge of $4,400 per month.

In Frontier Networks land, we would provide the following scenario at the 11 locations.

  • 11 Phone numbers ported over at $ 2.00 each = $ 22 per month
  • 15 Shared SIP Channels at $ 15.00 each = $ 225 per month
  • Number of Channels that you would “burst” and use over a 95% basis…. We guess “0


If you ever want to know how many channels you need, your phone company can issue you a ‘utilization’ report. They will charge you somewhere between $ 500 – $ 1,000 for this report just to let you know if you are buying too much or too little of their service.

Seems fair.  (Insert sarcasm here)

The new cool(er) way is effectively a total monthly charge of: $ 247 per month in this example

This represents a savings of $ 3,906 per month, or close to $ 234,360 over 5 years.

It really is a very cool and highly reliable method of delivering low cost, high quality phone lines.  Feel free to try it out.


Information Technology or “IT” based cost savings are a difficult topic. There is a “best to leave it alone” attitude around this type of topic. There are reasons. Here are some.

People like to shoot the messenger.

Visualize this. Your IT guy runs into the boardroom and says “we are out of ______”. It is a familiar saying. “________” or blank usually means something like servers, storage space, user licenses, memory, etc. etc. It is never good news.

Also, there is a second scenario. Your IT guy runs into the boardroom and says I have great news. If you upgrade “_______” you will save maintenance dollars annually. Problem is “______” or blank has a massive up-front price tag associated with it.

SIP or burstable SIP delivers a linear savings. It is simply less.

Still having trouble selling it or getting the right audience? Try this.

Call your President and pitch this. It is a $ 3,906 per month savings model with practically “zero” effort.

There is a $ 5,715 down payment required on the Maybach. Ask your legacy phone interconnect to cover that part. He is still likely keeping the maintenance on the 11 legacy phone systems at each of your sites.

For now (smile and wink here).

Burstable SIP Phone Lines - Frontier Networks
Frontier Networks Inc.

Frontier Networks Inc. is headquartered in Toronto, Ontario and provides Broadband Internet or MPLS, Voice lines or Cloud PBX (a replacement to old phone systems) and Physical Security to Retail and Multi Site customers who demand world-wide coverage from a ‘new’ network. “We like to do traditional things in a non-traditional way”.  Frontier has built a network that connects to other networks. Think of them like a large ‘backbone’ of interconnected networks. They connect to every phone company, cable company, wireless and hydro/utelco in Canada and the US through a series of well-connected Points of Presence (POPs). Simply put ‘we don’t suck’.

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