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Tpad Provides Free VoIP Calls for Wi-Fi Mobile Phone Users 11-16-2007
Tpad, are the latest entrants to the developing Wi-Fi mobile phone market offering a service that enables GSM mobile phone users to make free calls to any SIP enabled user anywhere in the world.

The VoIP provider's service uses the Session Initiation Protocol (SIP) the major open standard utilized by most major mobile phone service providers.

Because of this a Tpad User in America, for example, can initiate a free call using their mobile phone to Europe or Asia using the service.

Chris Morris, Tpad General Manager, states: "At Tpad we give you a free personal SIP phone number that you can use to make and receive calls. You just simply dial the SIP number of your friend anywhere in the world and the call is totally free. For instance, I can call my friend in Spain for free from my mobile when I am in a WiFi Hotspot by just dialling his seven digit Tpad number."

Tpad's service allows free calls to be made using any SIP Device (WiFi Mobile/ATA/IP Phone) whereas most existing mobile phone VoIP methods are either expensive or difficult to set up.

For example, Skype's new 3 Skypephone uses a non-SIP proprietary architecture that can't be used to call to SIP users.

Likewise Apple's iPhone, which has a WiFi connection, is not SIP enabled preventing users from making free or low cost international calls.

"The main advantage of SIP is that it works easily with other applications," said General Manager Chris Morris. "It's open and very flexible as it allows you to make free calls to any type of SIP Device," he added.

The Tpad service is currently available on any Wi-Fi mobile phone that has a built-in SIP client, currently all Nokia N and E-Series phones support this.
Source: [PRWeb]

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