Analysts say that VoIP technology will soon make its march into cellphone market after taking over a part of the fixed-line telephone market. Voice over Internet Protocol firm Skype already offers a VoIP solution for Wi-Fi enables smartphones and it is expected that these kind of solutions will become more popular within the next few years.
Cell phone maker Motorola already plans to launch Wi-Fi smartphones with Skype's VoIP software. These VoIP phones will provide cellular GSM service as usual, but in the surrounding of a Wi-Fi network the phone will be able to call over VoIP instead of GSM.
While some see mobile operators building VoIP into their networks, some expect them to treat VoIP mainly as a threat to mobile revenue. But Motorola, which needed a partner wireless operator to support the coming VoIP phone, reported that VoIP's potential advantages were apparent enough to cellular providers.