In order to make phone calls via the Internet one’s device has to be compatible with Softphone software. In example in order to call from a PDA using VoIP technology one has to install Softphone software, in order for it to work properly, PDA has to have Softphone compatibility.
nexVortex is an Internet Telephony Service Provider. We specialize in delivering high quality Voice over IP communication services to small and medium sized businesses using SIP Trunking.