Voice over Internet Protocol (VoIP) calling is most convenient when using a mobile phone. BlackBerry users have plenty of choices when it comes to picking a VoIP app that is compatible with their phones so that they can take the convenience of VoIP calling with them anywhere.
We are a voip Wholesale Service Provider, peering and routing voice services, interconnecting and inter-working peer to peer mode (SIP and H323), Residential and business phones.