Here we have a question for our readers : which mobile VoIP client will finally win in the end?

Answer: what is the meaning of mobile VoIP client? Could it give an acess to make voip calls through your phone data service? To make WIFI calls using your dual mode handset? Can it let your cellular calls end up being delivered over the Internet? Is all of the above available or only some of them? You have found these problems.Nowadays, mobile VoIP is far from a specific service or technology. It is just a marketing term.

In theory, mobile VoIP goes to the handset all the way from the ip links. Generally speaking,this needs a 3G-speed cellular data service and a soft client that works on the particular handset. Only some of the phones have this function such as Fring and Skype Mobile. Those clients can also let you have voip calls made through wifi hotspots. Other clients for such handsets only support VoIP calls over wifi, but not over cellular data networks.In this way, all calls have to travel over the cellular voice network,especially those made out of hotspot range.It stays a question whether that qualifies as true mobile VoIP. Truphone is a high-profile example of this approach.Few combinations of software, service models and transport methods are available.For example, some service use clients running on handsets, and VoIP switching, but mainly transport their calls over the PSTN. Continue reading →