MTS Connects to iBasis’ Multiservice IPX for GRX, 2G/3G and LTE Roaming

BURLINGTON, MA, USA – 02/05/2014 – iBasis, a KPN company, announced that MTS (OJSC Mobile TeleSystems), the leading telecommunications provider in Russia and the CIS, has selected iBasis as the primary provider of IPX services to enable LTE Roaming, as a result of an open tender process.

Through the IPX interconnect, iBasis is providing multiple services including GRX, covering both 2G/3G and LTE data roaming, as well as the iBasis LTE Signaling Exchange (LSX) service for the exchange of Diameter signaling between LTE networks. The multiservice nature of the iBasis IPX and its rich suite of voice and data services paves the way for MTS to offer its subscribers the full range of LTE roaming services.

We are experiencing a rapid increase in the demand for our multiservice IPX capabilities, especially as more and more operators implement LTE and recognize the challenges of international LTE Signaling and Roaming, said Willem Offerhaus, President and CEO of iBasis. As an innovative service provider, MTS is taking steps to ensure that it continues to provide the highest quality services for its customers. Were very pleased to partner with them to help them leverage IPX to achieve their goals.

The iBasis LTE Signaling eXchange (LSX) service provides a single point of access to iBasis live 4G (LTE) signaling network with Diameter Routing Agents in key locations around the world and complemented with 2G and 3G MAP Signaling interworking services to non-LTE networks. Through direct connections to many mobile operators LTE networks and its open peering policy, iBasis delivers a global LTE Roaming footprint that reaches approximately 60 LTE networks. In addition, iBasis offers a trial environment for testing LTE interworking and roaming scenarios.

About iBasis

A wholly-owned KPN company, iBasis is a leading international voice carrier and a provider of data services and solutions for mobile operators. The company offers a comprehensive portfolio of voice termination services and data services, including messaging, signaling and roaming, for many of the worlds largest fixed and mobile operators, as well as over-the-top and voice-over-broadband service providers. iBasis customers include KPN and its mobile operators, KPN Mobile, E-Plus, and KPN Belgium, and more than 1,000 other providers, including Verizon,Vodafone, China Mobile, China Unicom, Skype, TDC, Telecom Italia, and Telefonica. The company has recently launched, a blog site providing insights about LTE roaming, VoLTE, IPX and related topics. Find out more about iBasis at

About MTS

Mobile TeleSystems OJSC (“MTS”) is the leading telecommunications group in Russia and the CIS, offering mobile and fixed voice, broadband, pay TV as well as content and entertainment services in one of the world’s fastest growing regions. Including its subsidiaries, as of December 31, 2012, the Group serviced over 100 million mobile subscribers in Russia, Ukraine, Armenia, Turkmenistan and Belarus, a region that boasts a total population of more than 200 million. The Groups fixed business, as of December 31, 2012, had a total of 11.723 million households passed, 2.313 million broadband Internet and 2.938 million pay-TV subscribers.

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