Mobile VOIP is the latest buzzword in VOIP industry. Its literally growing faster than residential VOIP and at some stage its gonna surpass the residential VOIP business.
Why? coz mobile voip can be deployed on your exisiting mobile phone and who doesnt have a mobile today? However the only limitation is some of the older handset are not supported, coz these handsets dont work with SIP. SIP is the standard protocol for all VOIP providers.
The new entrant in this already strong mobile VOIP market is "Challenger Mobile". They too seem to work with SIP. Like everyone else, Challenger offers totally free calls to other challenger users and also to other SIP URI. That means if you are using challenger, you can call other Fring users who also support SIP completely.
When you sign up for Challenger mobile, you get your very own SIP number. It looks like an email address but is more like a super-powered phone number! Basically the number is just your phone number. If your mobile number is +6598292212 then your SIP number is 6598292212@challengermobile.com. The number is instanly activated and can be called via other SIP providers.
Challenger does not offer free calls to any destinations (landline = Mobile) however offers a premium service which is paid to use. They offer a challengerout account. However when we checked prices, its kinda costly for India. Its a bout 14 cents per minute. Overall their prices are definately not killing any competition.
At the end of the day, its another new mobile VOIP. The only good thing however is they support SIP. Eventually when there is enough growth of mobile voip, the current mobile operators will start offering SIP to SIP unlimited calls for a fixed price. That day is not too far away. Atleast thats what we can say by looking at the growth in this market and the new products being introduced.
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