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Qin1200 is a Carrier-Class Softswitch system solution provided by SipTang Technologies, based on NGN model and developed on standard and commercial high-performance VoIP protocol stack. Qin1200 Softswitch system runs on Linux to provide a stable and robust core switching system. It supports SIP, H.323, and NAT traversal, several of authentication methods, Interactive Voice Response (IVR) and variety of value-added services.

The Softswitch system uses standard RADIUS protocol, and has implements flexible billing functions. To provide carrier-class services for Operators, ITSPs, and Enterprise users, Qin1200 Softswitch supports load balance, redundancy and overload protection. Running on distribution and modular architecture, the core switching system is perfect protected. Qin1200 Softswitch provides uniform number management, centralized system monitoring and management, unified messaging for end users, and consistent dialing policy for the system.

 

System Architecture

Qin1200 is a Carrier-Class SoftSwitch from SipTang, based on NGN architecture, developed on commercial high-performance VoIP protocol stack. Qin1200 runs on Linux to provide a stable and robust core switching system. Qin1200 supports SIP and NAT traversal, several of authentication methods, Interactive Voice Response (IVR) and many value-added services. Qin1200 supports standard RADIUS protocol, and implements flexible billing functions. Qin1200 supports load balance and redundancy. Qin1200 can provide stable and robust access-class carrier service as a result of our strict, long-term and large-capacity test.

 

Qin1200 system made up of CS, AS, MS, RDBMS, WMS, NMS, IVR and BS, CS, AS, MS, RDBMS is able to be distributed and load balance.

For access and call control function, there are Access Server (AS), Media Switch (MS), and Call Server (CS) modules. Access Server module is responsible for system accessing for calls signaling. Media Switch module is for RTP switching. On Control layer, up to 5 Call Server modules act as call controller.

For handling application and value-added functions, there are Network Management Server, Oracle Database, Billing Server, Integrated IVR, Web Server and Application Server modules.

In Application Server module, there are abundant value-added applications available, such as IP Centrex, Voice Mail, IPPBX, Conferencing, Webphone, and etc.

 

Module	Description	Function
CS	Call Server	The core component to process the call signal and to provide kinds of call service
AS	Access Server	AS in charge of screen the difference of devices support different VoIP protocols and screen the bugs of specifically devices to make them interlinked
MS	Media Server	MS provide the functions such as IVR and media route and make linkage of not connected networks
RDBMS	Remote Date Base Management Server	RDBMS provide quick access interface to other servers which need to access the database, and it update the system configuration real time
WMS	Web Management System	WMS allows administrators to configure and maintain the system via web browser, it also allows customers to update personal services and query personal billing information
NMS	Network Management Server	NMS provides the functions such as monitor the server status, device status, call status real time
IVR	Interactive Voice Response
BS	Billing system	BS provides the functions to VoIP and related services such as authentication, accounting and management. It provides the billing functions such as prepaid, post paid and prepaid card. And it has well adapted ability aim at the alternation of billing field

 

System Application Topology

Qin1200 provides a total and turnkey solution for Carriers, ITSPs, and Enterprises customers on VoIP products and services. For Carriers and ITSPs, Qin1200 has multiple services modules as prepaid and rechargeable calling card, caller authentication, IP Centrex for enterprises, personal number following (Follow me), and etc. For enterprise customers, Qin1200 provides IP-PBX, Voicemail, integrated IVR, Conferencing, and Web phone for end users.

 

Carriers/ITSPs:

Calling cards (Prepaid/Postpaid/Rechargeable)

IP Centrex for Enterprises

MoIP (Multimedia over IP)

Traffic wholesale (Origination/Termination)

Caller Authentication

Personal number following (Follow me)

Fax over IP

Enterprises:

IP-PBX

Voicemail

Integrated IVR

Conferencing

Webphone (Click and Talk)

Personal number following (Follow me)

Fax over IP

Devices Supported:

Trunk Gateways

Analog Gateways

IP phones

Wifi phones

Video Phones

Soft Phones

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