IPX

The rapid growth of LTE networks, cost efficiencies of IP, and changing regulatory requirements are fueling the rise of an all-IP communications world. However, the inherently flexible nature of IP causes many incompatibilities to arise, along with security and handoff issues, when service providers attempt to connect to other IP networks.

The GSMA-defined IP eXchange creates a new service-aware interconnect model that ensures interoperability and performance between service providers and a commercial framework for profitability. IPX rejuvenates traditional interconnect businesses by allowing operators that rely on high-volume origination / termination of voice minutes and data traffic to cap their legacy TDM networks and create new, cost effective monetization opportunities.

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International Gateway

"An International Gateway is a telephone number through which calls are routed to get cheaper rates on international long distance charges."

Voice over IP (VoIP)

"Is a methodology and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet. Other terms commonly associated with VoIP are IP telephony, Internet telephony, broadband telephony, and broadband phone service."

IPX

"IPX is a datagram or packet protocol. IPX works at the Network layer of communication protocols and is connectionless."

SS7 / C7

"SS7 is a Common Channel Signaling (CCS) protocol that separates the control or signaling information from the voice for circuit based services (ISUP, TUP, NUP, etc). The circuit based operation is in comparison similar to ISDN, however circuit based SS7 signaling information for a given circuit is carried on a different E1 to the voice circuit."