Singapore telco SingTel, in collaboration with Samsung and Ericsson, today unveiled 4G ClearVoice, touted as the world's first commercial full-featured Voice over LTE (VoLTE) service.

A media statement from SingTel claims that it is currently the only VoLTE service globally to offer the full suite of telephony features such as call waiting and forwarding on the 4G network.

From 31 May, 4G ClearVoice will be available to SingTel 4G postpaid customers at no additional cost and talktime will be deducted from the monthly bundled voice minutes of their existing subscription plan, the communication clarified.

"As the first full-featured VoLTE service in the world, 4G ClearVoice is a true breakthrough in the mobile industry," said Johan Buse, SingTel's Vice President of Consumer Marketing. "It complements our efforts in delivering the fastest mobile broadband services in Singapore."

Another key benefit of the service is the ability to connect calls in less than two seconds. This is up to five times faster than conventional mobile calls, the telco said in its statement.

Customers will enjoy pristine quality conversations that are significantly clearer than conventional mobile voice services. The service delivers a broader range of audio frequencies, resulting in richer and more true-to-life sound with noticeably reduced background noise.

4G ClearVoice is equipped with Single Radio Voice Call Continuity (SRVCC) capability, which automatically switches ongoing calls without interruption to the 3G network if users lose connection to the 4G network.

SingTel said that those of its customers who use the Samsung GALAXY Note 3 will be the first to enjoy 4G Clear Voice.

"Samsung welcomes SingTel's launch of VoLTE in Singapore, and is delighted to partner SingTel to enable consumers to enjoy the best call quality on their GALAXY smartphones," said Irene Ng, Vice President, Regional Marketing, Samsung Asia Pte Ltd. "As consumers demand more of their smart devices, such collaborations ensure that consumers are getting the best out of their smartphones."

"Ericsson and SingTel enjoy a great technology partnership that leverages the strengths of both companies," said Nicholas Seow, Ericsson Country Head for Singapore & Brunei. "Ericsson is the LTE and VoLTE market leader providing SingTel with the end-to-end solutions and integration services that ensure swift and successful network deployment and activation."