T-Mobile US adds 14 VoLTE cities, claims it uses max bandwidth

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At its Un-Carrier 5.0 announcement/pep rally yesterday, T-Mobile US announced it expanded Voice over LTE (VoLTE) coverage to 15 total markets reaching 100 million people.  It also says it dedicates nearly 24 Kbps to VoLTE calls for the “highest fidelity” and added VoLTE support for the Samsung Galaxy S 5.

T-Mobile CTO Neville Ray […]

HGC has IPX interconnection deals with Chunghwa, NTT, and Etisalat

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Last week, Hutchinson Global Communications (HGC) signed IPX peering deals with Taiwan carrier Chunghwa Telecom and Japan’s NTT Communications to establish “multiservice” IPX peering connections.   HGC also has a memorandum of understanding for IPX interconnection with Etisalat of the UAE.

The interconnection partnerships will enable the four telecom carriers to “deliver greater reach” to […]

T-Mobile US launches VoLTE in Seattle

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One-upping AT&T and Verizon, T-Mobile US announced it has launched Voice over LTE (VoLTE) service in Seattle with support for three devices.

T-Mobile’s statement came in a blog posting from CTO Neville Ray.  Devices supported at launch are the LG G Flex, Samsung Galaxy Note 3 and Galaxy Light, with devices currently in […]

Deutsche Telekom: We’re not doing HD voice interconnection yet, on roadmap

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German carrier Deutsche Telekom (DT) is not yet conducting HD voice call exchange either among its own subsidiaries or with other carriers on a peering or IPX basis, according to a company official. However, it and transcoding are on the roadmap.

The remarks came as a part of a discussion on interconnection and IPX […]

Ibasis announces IPX interconnect between Poland and The Netherlands

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KPN subsidiary iBasis this week announced an HD voice interconnection between Poland mobile operator P4 and KPN in the Netherlands.  Subscribers of PLAY, the P4 mobile brand, and KPN mobile can now directly make end-to-end mobile HD voice to each other across their respective networks.

The two carriers use iBasis’s IPX service, Premium Voice […]

Hong Kong Telecom (HKT) launches VoLTE

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On May 15, Hong Kong Telecom (HKT)announced the launch of Voice over LTE (VoLTE) service, marking the third VoLTE announcement within a week.

HKT is supporting the Samsung Note 3 for VoLTE customers.   Huawei is featured as the core network vendor in the VoLTE rollout. 

NTT DoCoMo launching HD voice, VoLTE in June

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Japan’s largest mobile operator said it plans to launch Voice over LTE (VoLTE) in late June.  Callers will be able to make HD voice calls simultaneously with a data connection, according to reports.

Four smart phones and two tablets offered by the carrier will  be able to conduct VoLTE calls after a software […]

Editorial: AT&T officially announced HD voice support via VoLTE

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I’m currently working through a couple of pieces for publication over at TMCnet on the official (press release, not rumored, not CTO-dropping buzzwords and vague dates) AT&T announcement for HD voice support in limited markets.

Consumers Digest is working on an HD voice piece.  I feel sorry for the reporter, because he asked about […]

Fierce Wireless: Verizon will have VoLTE, HD voice in 2014

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Verizon Wireless says it will have VoLTE with HD voice via AMR-WB this year, according to a piece in FierceWireless Tech.

Multiple sources are cited, including a statement by a Verizon Wireless spokesperson saying VoLTE will come out sometime in 2014 and a research note by Credit Suisse predicting VoLTE will be introduced […]

Engadget: AT&T to launch VoLTE in Chicago, Minneapolis this month

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AT&T is going to roll out VoLTE in Chicago and Minneapolis by the end of May, according to a report by Engadget.  If correct, AT&T will beat Verizon out of the gate for the first U.S. VoLTE HD voice deployment.

MetroPCS deployed a non-standard version of VoLTE in 2012, going with a narrowband […]