Do n’t anticipate new mobile phone services based on the Internet Protocol to become nearly as prevalent as those running over microcomputer . That ’s the perspective of Hamid Akhavan , CEO ofT - Mobile International , one of Europe ’s largest mobile headphone wheeler dealer .

VoIP ( phonation over Internet Protocol ) services leave over roving phone networks will have “ far less wallop ” than those offer over unsex - line net , Akhavan said Tuesday on the by-line of a news league at the 3GSM conference in Barcelona .

“ There are all sort of technological upshot that make mobile VOIP services difficult to implement , ” he aver . Technical issue related to how meshing pass on IP address of mobile exploiter have not been altogether resolve , he noted . “ Take reachability , for example : How can the call add up to me ? ”

Akhavan also say hand brake phone service and “ always on ” connectivity are also great issues , since staying online acquire up bandwidth on high-priced wandering networks .

And then there ’s toll : “ When multitude talk about VOIP , they think free , ” Akhavan allege . “ With any fluid serve furnish over the Internet , you ’re going to need to corrupt a data package . ”

Mobile VoIP “ will take a small ploughshare ” of tax revenue give by peregrine voice service , he said .

Akhavan ’s vista on the technical and commercial vault are share even by some of the key advocate of mobile VOIP — namelySkype .

In a recent interview with a Finnish newspaper publisher , Skype co - beginner and CEO Niklas Zennström spoke of “ technical obstruction ” and conceded that efforts to make Skype body of work had been taking “ much longer than anticipate . ”

Earlier , Eric Lagier , Skype music director of line of work maturation for ironware and Mobile River , call the lack of attractive prostrate - rate fee for most mobile earpiece services a key commercial vault to mobile VoIP usage . He state the fellowship did n’t want to be in a position of arrogate that its Robert William Service is free , but facing users who at the end of the calendar month are tail with a immense broadband usage fee .

At last yr ’s 3GSM World Congress , Skype and the Hutchison 3 Group ( Hutchison 3 G ) herald a partnership to provide what they had hop to become the world ’s first commercial-grade VOIP service for nomadic sound .

Hutchison 3 G , which operate IP - found mobile broadband networks in several European markets , was one of the first mobile speech sound operators to encompass VOIP , a engineering science many in the industry view as a major threat to their cash - cow voice business .