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iBasis and SK Telink Carry World's First Commercial International End-to-End VoLTE Traffic for KPN Mobile and SK Telecom Subscribers
[May 16, 2017]

iBasis and SK Telink Carry World's First Commercial International End-to-End VoLTE Traffic for KPN Mobile and SK Telecom Subscribers


iBasis (News - Alert), a KPN company, and SK Telink, subsidiary of South Korean mobile operator, SK Telecom, today announced the first successful commercial interconnection for international live VoLTE services over their multiservice IPX networks. Both mobile operators are leveraging real time sensitive interconnect services in order to deliver HD (high-definition), low-latency, crystal-clear voice services internationally to their 4G/LTE (News - Alert) consumers. iBasis and SK Telink are preparing for a further smooth commercial rollout of VoLTE interworking to their subscribers in South Korea and the Netherlands respectively.

South Korea was the first country to launch national VoLTE in 2012 while KPN (News - Alert) launched its national VoLTE service in 2016. iBasis and SK Telink, parties with proven track records in delivering international IP-based services, are providing the IPX interconnectivity between the mobile networks of KPN and SK Telecom. The iBasis IPX core network, fully SIP and SIP-IMS enabled, supports multiple interworking functions. Based on GSMA (News - Alert) specifications, it supports EF traffic (conversional) class services in order to handle real-time services and ensure end-user service quality.

"There is no room for error when it comes to high quality voice calls," said Wonyoung Yun, CEO of SK Telink. "After significant testing and development efforts, we are very proud to be able to provide our subscribers with best-in-class quality and service. Like us, KPN and iBasis equally share a strong quality and innovation focus on VoLTE. In our position as pioneer with the ability to lead with new technology, we have leveraged the extensive experience of iBasis in Voice-over-IP, HD Voice and globl IP deployments. Our close collaboration will help operators improve speed and efficiency in their international deployment phase and create new value for customers."

"We are extremely pleased to have joined forces with SK Telink to establish the first international VoLTE interworking connection for South Korea, one of the highest penetrated LTE Mobile countries worldwide and pioneer in VoLTE adoption and innovation," said Feddo Hazewindus, CEO of iBasis. "The strong engineering and operational collaboration between SK Telink and iBasis teams has managed to solve multiple implementation challenges which are critical for performing and maintaining high quality VoLTE services globally and we are proud to have established this milestone together".

With more than 100 commercial VoLTE Networks, the march toward international VoLTE commercialization is also moving forward. High-quality voice service encourages usage on the mobile network, deterring users from seeking alternatives. Combined with global availability, they can become key competitive advantages for mobile network operators.


In addition to VoLTE interworking, the iBasis VoLTE solution also supports VoLTE roaming, both local breakout and home routing, and helps operators overcome challenges such as global reach for VoLTE calls, signaling and media interworking between VoLTE and non-VoLTE networks, supporting VoLTE global roaming, exploiting HD Voice and video (ViLTE) capabilities.

About iBasis

A wholly-owned KPN company, iBasis is a leading IPX Provider for carriers, mobile operators, OTTs and IoT service providers. The company offers a comprehensive portfolio of voice services including HD Voice, VoLTE and anti-fraud services. The iBasis IPX is a single multi-service IP interconnect service to interconnect operators on a global scale with guaranteed quality and security, and offering mobile operators high-quality routes, redundancy, and diversity. It interconnects operators and service providers globally with guaranteed quality and security for the entire mobile service portfolio: SS7 Signaling, GRX and S8, Diameter Signaling, VoLTE Interconnect and Roaming, supporting both the LBO and S8HR models. iBasis' InVision™ advanced analytics enable operators to monitor and proactively manage the quality of roaming traffic on a global scale. iBasis customers include more than 1,000 operators and service providers, and iBasis' global IPX reach is unsurpassed due to its Open Peering Policy. For more information, please visit www.ibasis.com.

iBasis and KPN are registered marks. All other trademarks are the property of their respective owners.


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