ZTE supports CSL’s full VoLTE launch

27 Oct 2014

Chinese technology heavyweight ZTE has highlighted in a press release that it supported the recent full-blown commercial launch of voice-over-LTE (VoLTE) services by Hong Kong cellco CSL (part of the PCCW-HKT group), which has enabled all CSL users to access VoLTE voice and video calling services with any compatible device. The release adds that almost 100,000 users are using the VoLTE service since it was launched by CSL in late-August 2014. ZTE’s VoLTE solution, a fully end-to-end 4G LTE technology, uses high speed data packet switching in real time to achieve large reduction in call connection times. Based on test results, the connection time for a call between two VoLTE users is typically about one second, while a call from a VoLTE user to a non-4G user can be connected in four seconds, compared to seven seconds for 3G calls. Video call resolution can now reach 640×480 pixels and voice and video call switching is simplified. TeleGeography notes that in December 2013 CSL implemented a soft-launch of VoLTE while announcing that commercial VoLTE services would be introduced for all users ‘in H1 2014’, although this schedule was delayed by a couple of months.

Hong Kong,ZTE, CSL (now part of HKT/PCCW),

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