Press Release

September 9, 2014

GCT Semiconductor and Ecrio Collaborate to Develop a VoLTE Solution Optimized for 4G LTE Home Phone Gateways and CPEs

Turnkey Solution Now Pre-Certified with Tier 1 Operator

LAS VEGAS, NV, Sept. 9, 2014 — Ecrio Inc., the leading provider of 4G LTE real time communications client solutions for the mobile industry and GCT Semiconductor Inc., a leading designer and supplier of advanced 4G mobile semiconductor solutions, announce a collaboration to provide an integrated solution including Ecrio’s FlexIMS™ Voice over LTE (VoLTE) software and GCT’s Category 4 LTE Chipset, GDM7243S.  This integrated solution of GCT and Ecrio recently completed pre-certification with a Tier 1 Operator.
This turnkey solution fully meets the requirements of LTE-based phones and CPEs, both for traditional landline replacement as well as 3G to 4G upgrades.  The pre-certified solution allows OEMs and ODMs to rapidly accelerate their VoLTE-enabled product rollouts worldwide.
GCT’s GDM7243S combines RF and baseband to offer a highly integrated solution, optimized to ensure high performance and low power consumption, as well as increased battery life.  GCT’s chip delivers an embedded VoLTE implementation for a variety of LTE connected devices. Ecrio’s FlexIMS™ patented technology uniquely allows for the broadest coverage of VoLTE device types including LTE home/enterprise CPEs with full legacy support of mandatory FAX/Modem and regulatory E911 and TTY capabilities.
“By embedding VoLTE onto our LTE chipset, we have created a turnkey home gateway solution that allows for easy integration into a wide range of CPEs,” said Alex Sum, vice president of sales and marketing at GCT Semiconductor, Inc. “Also, our product allows for on-chip Codec with AMR-WB (G.722.2) for HD voice. We are delighted to extend our partnership with Ecrio to offer this industry-leading VoLTE solution.”
“We are pleased with the span of home CPE applications of our FlexIMS technology and happy to join GCT in announcing this turnkey readiness milestone,” said Vikram Karmarkar, Ecrio’s Vice President of Marketing and Business Development. “Ecrio is committed to supporting GCT in OEM and ODM product integrations and forging ahead with VoLTE-enabled advanced services deployments.”
About GCT Semiconductor, Inc.
GCT Semiconductor is a leading fabless designer and supplier of advanced 4G LTE and WiMAX semiconductor solutions. GCT’s market-proven LTE solutions, commercially available since 2010, have enabled fast and reliable LTE connectivity to numerous commercial devices such as smartphones, tablets, hotspots, USB dongles, routers, M2M applications, etc., for the world’s top LTE carriers. GCT’s system-on-chip solutions integrate radio frequency, baseband modem and digital signal processing functions, therefore offering complete 4G platform solutions with small form factors, low power consumption, high performance, high reliability and cost effectiveness. For more information, visit
About Ecrio Inc.,
Ecrio is the leading supplier of 4G/LTE real time communications client software and services solutions for the mobile industry. Ecrio offers a comprehensive suite of standards compliant Communications Client Solutions including Messaging Voice, Video and RCS Solutions. Built on the patented FlexIMSTM Architecture, Ecrio’s Mobile Communications Client Suite (MCCS) functionalities can be distributed across the Baseband Processor and the Application Processor, yielding optimal media latency and lower power consumption in Smartphones and LTE CPEs. The MCCS has been deployed on more than 50 million handsets. Additionally, Ecrio offers a cloud based solution, Nimbus that is built on the FlexIMS™ Architecture.  Ecrio’s customers include industry leading operators such as NTT DOCOMO, SK Telecom and Verizon Wireless, and leading device and chipset platform providers. For more information, please visit
FlexIMS is a trademark of Ecrio Inc.
Media Contacts
Lina Martin
GCT Semiconductor Inc.
Alex Sum
VP of Sales and Marketing
Tel: +1.408.434.8022
Mobile: +1.408.835.9686
Simon Lee
Director of Product Marketing
Tel : +1.408.434.8039
Mobile : +1.408.497.6401
Email :