All the services (Skype, vonage, viber, whatsapp, googletalk, wechat/weibo, voxer, etc.) use the same underlying technology. Some extra features (video, interoperability with Telco services, desktop versions, etc.) distinguish them from one another. Skype is still the most widely used but whatsapp is in second place and gaining. It's only its lack of video calling that holds whatsapp back. China based wechat/weibo has a preponderance of users from Asia and the developing world, and it is by far the most full featured of the lot. Think of it as a combination of facebook, Skype, twitter, and whatsapp...with a full featured desktop version. For business use, it's helpful to have several of the services available since the quality will vary by service from time to time. You can switch services as conditions dictate.
The complication for the business user is the party you want to reach must be a subscriber to the service you use. This is why I normally recommend Skype for business use. Now that Microsoft converted its widely deployed "Lync" messaging platform (formerly known as "Office Communicator Service") to "Skype for business" and opened it to directory queries with the consumer side of Skype, it is easier to find and connect to business contacts. Happy communicating!
So far these are the solutions that I have found. Any suggestions or advise?
a) The Vonage World plan
b) If you have an iPhone or iPad, you can download Magic Jack for free and all calls to US and Canada are FREE.
c) WIFI calling from your smart phone.
Thank you in advance.
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