Today (Mar. 12^th, 2010), DONJIN officially releases DONJIN Keygoe V2.3.0 for Linux SDK all over the world.

This is the latest version of DONJIN Keygoe multimedia switch SDK on operating system platform, which can help software developer and SI in CTI field expand new product types and application range based on DONJIN Keygoe multimedia switch, and make the system performance significantly improve and optimize. Details are as below:

1. Expand new product types and application range

Under the premise of advantage like low building cost, high security and high reliability going significantly, Linux operating system is widely used in embedded system and device, server and desktop, etc. DONJIN Keygoe V2.3.0 for Linux will help the software developer and SI save cost and make the delivery more flexible. And help them expand new industry applications.

Software developer and SI need to pay more extra cost for customer service on traditional systematic product delivery if maintain more third party device for customer. DONJIN Keygoe V2.3.0 for Linux makes integrated product delivery possible, especially for the small and medium call center application, when system developer and SI find balance point among function, performance and cost, the product service which looks like “deliver key” can make the edge of service responsibility clear. Meanwhile, integrated product makes service more efficient and simple. No matter customer or merchant will get profit from cost reduction.

Not only embedded system, but also application on server both profit from the security and open resource characteristics of Linux operating system and the perfect support for Linux operating system of Keygoe V2.3.0 for Linux. For example, build safer, more stable, and more cost-effective key application for government, finance, securities and telecom operators: including outsourcing call center, high-capacity telecom VAS, and enterprise communication system, etc, and help customer avoid potential risk of intellectual property.

2. The support for T.38 and super large carrier-grade fax service

DONJIN Keygoe V2.3.0 for Linux provides better support for super large carrier-grade fax service from three aspects. Firstly, Keygoe V2.3.0 for Linux stably support from 480 to 2400 channels fax sending in a simultaneous mode, the related index, such as system resource occupancy rate, receiving/sending success rate, and the MTBF index improved; secondly, on the aspect of compatibility of fax machine, it provide support for more G3 fax machine models; thirdly, improve support for T.38 and make the fax SP utilize the best IP network (such as NGN, etc) to load fax service, and improve service flexibility.

3. Provide support for more flexible SS7 service

DONJIN Keygoe V2.3.0 for Linux increased the transparent transmission function for SS7. This function supports SP to develop more services based on SS7 signal protocol stack. Besides utilizing the existing ISUP, TUP protocols directly, SI can utilize Keygoe transparent transmission function to develop services based on MTP2, MTP3, SCCP, TCAP, and MAP protocols.

4. Improve media processing ability

DONJIN Keygoe V2.3.0 for Linux improved the media processing ability. It decreased the system resource occupancy rate and DSP load. SP can provide higher capacity and more stable service at the circumstance of constant system configuration.

Appendix: DONJIN Keygoe V2.3.0 for Linux SDK English version download step:

1) Visit home page of DONJIN website http://www.donjin.com, click “English” to enter into English version;

2) Click “Technical Support”->“Download Center”, select “Download Center for Multimedia Switches”；

3) Click “Keygoe V2.3.0 for Linux ”to download SDK in DONJIN Keygoe Manual & Drivers for Linux;

4) Click “Keygoe V2.3.0 Client ”to download the client programme in DONJIN Keygoe Manual & Drivers for Linux;

5) Click “Call-out Demo ”to download call-out demo in DONJIN Keygoe Manual & Drivers for Linux;

6) Click “Call-in Demo ”to download call-in demo in DONJIN Keygoe Manual & Drivers for Linux;

7) Click “Fax Demo ”to download fax demo in DONJIN Keygoe Manual & Drivers for Linux;

8) Click “Conference Demo ”to download conference demo in DONJIN Keygoe Manual & Drivers for Linux;

DONJIN Communication Tech Co., Ltd

Mar. 12^th, 2010