E1 PRI to SIP VoIP trunk gateway

Specifications

Model:NSN9000Si

Advantages

Smooth over, compatible with traditional and future

Inherited the traditional digital switch technology, Realization of the digital switching exchange to smooth over IP, compatible with both traditional digital switching, IP switching and rich terminal interface, allowing users to continue to use that traditional digital switching functions, while experience using advanced IP switching technology.

Remote calls zero cost

Through IP technology, remote IP phones, computer softphone, soft phone and smart phone company headquarters zero cost of calls between extensions.

Through the IP network to achieve the company's headquarters system with dispersed between the distribution system free fast extension call.

WIFI mobile and wired network combined

Unique IP extension and desktop extension bundled with vibration function, you can turn your smartphone into a mobile extension.whether you're in the company within the scope of any place, or at home or a business trip with WIFI or 3G environment movement, any person whether it is your customers, or other employees call your desktop extension, your phone IP extension will ring together. Your mobile phone has become a truly mobile IP extension.

You can also use a special WIFI cordless handset as an IP extension. So by the smart phone, WIFI sub-phone into WIFI mobile communication network, and the wired desktop extension, wired IP phones posed fixed wireline communications network will seamlessly together, to truly improve the communication efficiency of enterprises.

 SIP Phone 

Special Key Phone 

Shenzhen Cesller Technology Co.,Ltd,our headquarter lies in Canada. It is a hi-tech. Company, specializing in manufacturing, developing, selling of group-phone system and communication equipments. The managing idea is to provide continually communication products which joint global communication and synchronize to world communication.

Application as follow show