Comparison of Paid VOIP Service Providers

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Below is a list of paid voip service provider (Voice Over Internet Protocol) that you can use for teaching English online. Although VOIP can be engineered to be 99.99% reliable (carrier grade services), there are still many issues to be considered. Before you sign up with a paid voip service provider and use it to teach EFL/ESL online, make sure that you try the different providers. Make several test test calls with the trial version, and compare it to another voip service provider.

If you see any errors or if you would like to suggest a good voip service provider, please contact us and let us know.

SERVICE PROVIDER & RATING (Out of 5)	VOICEMAIL	CONFERENCE CALL	MINIMUM FEE	USEFUL FEATURES	ORGIN	COMMENTS
Vonage (3/5)		(3 Users)	US$14.99	* SIP protocol * toll-free * virtual # * Fax service		Very good rates and reliable service. Vonage US$14.99 plan includes 500 minutes of free calls in Canada and the US. Toll free, virtual # and fax service is an added extra.
Broadvoice (2/5)		(3 Users)	US$9.95 (In State)	* SIP protocol * Outlook integration * Fax service		Broadvoice offers the best value for international calls. Unlimited free calls to 35 countries for only $25 per month. Fax service is an added extra.
Packet 8 (2.5/5)		(3 Users)	US$19.99	* SIP Protocol * Video Phone * Toll free * Virtual #		Packet 8 offers a great 5" video phone ($20-$50 per month). Video and voice requires cable, broadband or higher to work well.
AT&T Callvantage (3/5)		(10 Users)	US$29.99	* SIP Protocol * Record voice * Fax service		Callvantage is a US carrier with excellent features and call quality. Callvantage offers a free one month service when you sign-up.

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