IP exchange

IP exchange or (IPX) is a telecommunications interconnection model for the exchange of IP based traffic between customers of separate mobile and fixed operators as well as other types of service provider (such as ISP), via IP based Network-to-Network Interface. IPX is developed by the GSM Association.

Not to be confused with Internetwork Packet Exchange.

IPX is not intended to replace or compete with the Internet but it does offer an alternative option for service providers. The intent of IPX is to provide interoperability of IP-based services between all service provider types within a commercial framework that enables all parties in the value chain to receive a commercial return. The commercial relationships are underpinned with service level agreements which guarantee performance, quality and security.

It may not be evident to end-users whether their service provider utilises the IPX model or not, however, the ability for service providers to differentiate services using the flexibility provided by the IPX model, ultimately provides for end-user choice.

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