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Voxbone's iNum Numbers Get HD Voice

TMCnews Featured Article


September 15, 2009

Voxbone's iNum Numbers Get HD Voice

By Bob Emmerson, TMC European Editor


Voxbone has added support for HD to its international, geographically independent number service iNum, which now has a uniform identifier that enables HD calling.  As long as both endpoints are HD-enabled, calls to these numbers will have superior sound quality.

Prefaced with the ITU-assigned 883 code, iNum numbers refer to the Internet in the same way that 44 refers internationally to the United Kingdom and one refers to the United States. A call to an iNum number is routed first to Voxbone (News - Alert), which carries it over the expensive, long-distance leg of the route before delivering it to the appropriate service provider, which terminates the call to its subscriber. 

An HD voice signal cannot accommodate the frequency constraints of POTS, which limits the HD benefit to end-to-end IP calls. However, most iNum calls should be able to support HD voice because most iNum traffic is transmitted by service providers that have migrated to IP or begun operation as VoIP carriers.

Rod Ullens, chief executive officer of Voxbone said that many endpoints and a lot of isolated networks such as Skype (News - Alert) already support HD, but there needs to be a standard way for any service provider to reach a particular HD endpoint, which is something that iNum provides. 

“The clarity of high definition is a tremendous help to callers when they are listening in their second or third languages or listening to non-native speakers,” said Ullens.

Voxbone is beginning its HD support with the wideband G.722 codec and plans to add other codecs in the fourth quarter.

Bob Emmerson (News - Alert) is TMC's European Editor. To stay abreast of the latest news affecting the European market, check out Bob's columnist page.

Edited by Kelly McGuire







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