This is a device allowing a user to make VoIP calls using session initiation protocol (SIP). SIP is a telecommunication technology developed as a fast, easy standard for delivering IP-based data, voice, and video communications.
Leveraging the Quality of Service (QoS) and fault tolerance features of VM, Cisco and Quintum gateways, WorldTele Communications Network, LLc. provides carriers with a flexible and scalable infrastructure that enables the delivery of carrier grade VoIP ap
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