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VoIP Switch - VoIP Switch: SPIRIT DSP's TeamSpirit Voice Engine Mobile Licensed for VoIP Calling in Korea

October 20, 2011


KT (News - Alert), S. Korea's top fixed-lined operator and the No. 2 mobile carrier in the region, recently licensed SPIRIT DSP’s (News - Alert) TeamSpirit Voice Engine Mobile, an SDK that enables high-definition VoIP calling on a broad range of mobile devices.

Business application developers and service providers, with the help of the TeamSpirit Engine are allowed to offer superior quality communications products to millions of global users.

The VoIP rates in Korea are 80 percent cheaper for intercity calls, 20 percent lower for calls to mobile phones and 95 percent cheaper for international calls.

According to the Korean Communications Commission, the number of paid Internet telephony subscribers broke the 10 million mark this year.

"With the growing popularity of VoIP calling in Asia Pacific, coupled by the sheer volume of mobile data usage, the problem of lost or jammed traffic becomes a real barrier for smooth, quality communications over mobile networks," said SPIRIT's vice president of Sales, Alexander Kravchenko, in a release.

"The priorities of consumers and businesses are shifting from an experience that's 'good enough' to a demand for a higher quality mobile HD VoIP experience that SPIRIT engine delivers to KT's millions of mobile subscribers."

Uniquely combining scalable echo- and noise-free audio with scalable video, a necessary marriage, the TeamSpirit Engine software ensures the highest quality conferencing experience and enables many hours of battery life in wideband talk mode.

The video engine, including SPIRIT's H.264 scalable video codec, is capable of adapting streams to each peer's network and PC environments without heavy transcoding.

In related news, SPIRIT DSP’s TeamSpirit Voice Engine Mobile is enabling HD VoIP calling on the recently launched Viber application for Android (News - Alert) mobile devices.

Deepika Mala is a contributing editor for TMCnet. To read more of her articles, please visit her columnist page.

Edited by Tammy Wolf

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Intro to Basic System Features

Accounts Overview
An account is a logical entity usually representing some logical or physical end point in the VoIP network.

Customers are logical entities in the system for which invoices will be generated. They may be termination partners, resellers of a service, or a virtual .

Tariffs and Rates
Tariff is logical entity in the system, which represents rules for rating and billing calls made by Account or Customer to which this Tariff has been assigned.

Balance and Credit Limit
In addition to Tariff, each Customer or Account, except Root Customer, has those two basic rating/billing parameters associated with it – Balance and Credit Limit.

Intro to Advanced System Features

On-Net Routing
On-Net Routing is the feature that allows placing calls from one account in the system to another account in the system.

Ability to Charging On-Net (Account-to-Account) Calls
In some cases it might be necessary to charge either caller or callee or both for the on-net call based on per-minute rate.

Automatic Database Backup
The Softswitch includes the system which allows performing automatic backup of the database periodically.

Ability to Get exchange rate using external script
Exchange rates can be set using external custom script.

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