The common name shared by communication protocols, technologies and methods ensuring the transfer of the voice signal via the Internet network or by any other IP-networks. The signal is transferred by the communication channel in the digital form and, as a rule, before transferring compresses in order to remove abundance.
www.PremiumTollFreeVanity.com is All-in-One, Business Marketing Platform, only kind in marketplace to deliver value to your business.
Read more