VoIP DialersVoIP is still a new technology and is very complex.  We wanted to provide some insight, in layman’s terms, that explains how it works and how call quality and stability can be affected.  This applies to all VoIP providers, not just our ZoomCalls service.

Most non-cellular telephone calls in the USA are now carried by VoIP (Voice over Internet Protocol). Some phone services are openly labeled as VoIP while many others appear to be traditional land lines or T1 lines, but in actuality they are VoIP behind the scenes. The advantages of VoIP over wired lines are much lower cost and more sophisticated features, including the ability to create virtual PBXs.

When VoIP was created a number of years ago, the quality was fairly poor. The quality and stability has greatly improved over the last 4 or 5 years but it is still dependent on many variable factors, some of which can cause degradation. For details about how VoIP works: http://en.wikipedia.org/wiki/Voice_over_IP

Primary factors that users depend on for quality and stability of their VoIP are as follows:

1) Sufficient internet band width
2) A router (or modem) that is designed for VoIP
3) Access of VoIP calls through any firewalls on user’s computer

Here is a link to important requirement details:

Here is a link to test your internet:
http://www.speedtest.net/

In addition, VoIP telephone calls have to go through multiple routes before they end up ringing on the phone of the person called. If anything goes wrong on the way, there can be latency (delays), jitter (hiccups between words), dropped calls, etc.
Here is a link to the real time stability of phone service routed among the many VoIP backbone carriers: http://www.internetpulse.net/

Internet service continues to get better and better across the nation; therefore, helping to improve VoIP call quality and stability. But…

  • If your internet service goes down, your VoIP phone service goes down, too.
  • If other people are using much of your internet band width while you are making calls, your call quality can suffer.
  • If your router is not designed specifically for VoIP or if it needs to be rebooted, your calls can suffer until it is corrected.

Plus, various servers and connections through which your calls travel in route to their destinations can have brief, intermittent, or long term problems. Calls that go through a specific carrier having a problem at that moment will result in a deficient or failed call; while making another call immediately thereafter will be successful because it is using a different carrier or route. VolP carriers frequently have to re-route calls around problems. If no one reports the problems and fixes them, the problem may continue for awhile or it can clear up at any time.

Example of internet service dependency: When you try to go to a web page on the internet, that page can pop up almost instantaneously, but the next time you go there it might be slow to pop up. You don’t mind because it was only a few seconds. But, when a VoIP call (which is composed of digitized voice packets) is made, if it encounters that same internet delay to its destination, the sound of the voice may be “broken up” or perhaps the call is even dropped. VoIP is therefore not as forgiving as just waiting for a web page to load visually.

Actually, considering all the above, VoIP is amazing! It’s a wonder that it works at all!

VoIP (including our ZoomCalls) is currently not perfect, but EVS7 is working hard to make our ZoomCalls VoIP the best that current technology will allow with our telemarketing software.

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