Improving Your Business Communications With Hd Voip

These days, everything is 'high definition'

These days, everything is 'high definition'. Most people associate the term with incredibly sharp television picture, but audio can also be hi-def and the capability isn't limited to movie theatre quality in your living room.

Voice over Internet Protocol, or VoIP, enables voice calls to be turned into tiny packets of data and sent along the same types of channels that internet signals travel on. The quality of voice calls can be enhanced through HD using wideband audio technology which can result in over twice the normal voice quality.

Capturing the correct sound-transmitting bandwidth enables hard to decipher differences between sounds (such as 's' and 'f') to come through crystal clear. No more static, no more straining to make out what is being said - with HD voice, it's like you are in the same room with the speaker.

If you are on an overseas call with a person who has a heavy accent, this can be invaluable to save embarrassment on both sides. If you need to hold a conference call with a group of people all of whom are stationed in different cities, you don't have to worry about a bad connection cutting someone out of the loop. Simply set up an HD conferencing room, and everyone with HD capable equipment can log in remotely for a crystal clear call.

As long as each user has an HD capable phone, the right software will be able to coordinate wideband VoIP to allow all users to talk together using HD voice during Session Initiated Protocol (SIP) calls. A conference bridge can be implemented to allow users with different types of HD capable phones to enjoy clear, real time calling.

Different phones generally have several codec options installed. Each codec is a way to convert analog signals into digital. It is necessary for two users attempting to communicative to have at least one codec in common between their equipment. In many cases, voice calls are transferred using the G.711u standard-quality codec over a Public Switched Telephone Network (PSTN). HD compatible phones can use this codec, but the call itself won't be in HD.

With wideband technology, more choices are available for codecs, and bridges can be set up to transfer VoIP calls in startlingly clear high definition. Using SIP when calling another SIP user (whether within your own system or to a different network) allows for HD calling as long as both users find a common codec (such as the G.722 wideband codec), or have the call transferred through a conference bridge that turns all voice packets into HD.

For the best HD quality voice, high end HD capable VoIP handsets are recommended, but with wideband voice calling, all HD compatible handsets can still deliver better results than standard telephony. All it takes is the right connection between callers to deliver an upgrade to the voice calling experience.

by: Andrew Wiggin

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