We provide downloadable documents such as user manuals, product datasheet, product brochures, product leaflets, etc.
Together with our agents and distributors, we provide convenient local service and quality after-sales maintenance service. The standard service provided is 5×8 (5 days a week, 8 hours a day) technical service support, providing customers with maintenance, repair and remote technical support services through phone and e-mail.
The FAQ section summarizes the solutions to some problems in the installation, configuration and use of New Rock hardware and software products.
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(New Rock Technologies, Inc.) is a new generation of intelligent communication equipment and solution provider. We provide future-oriented intelligent communication products and services to customers such as telecom operators, governments, enterprises, etc.
Since the establishment 19 years ago, New Rock has always taken R&D as our core mission and insisted on independent innovation. New Rock has more than 80 certificates and honors, with 19 years of industry brand recognition and influence, and is the common choice of many customers!
New Rock has established a nationwide service system with Shanghai headquarters as the center and six branches or offices in Beijing, Guangzhou, Shenzhen, Shandong, Wuhan and Chengdu to provide customers with perfect pre-sales consultation and after-sales service. At the same time, we provide products and services for customers in the United States, Middle East, Thailand, Malaysia, Indonesia, Philippines and other countries and regions with local distributors, and our products are exported to more than 60 countries in Southeast Asia, Europe, America, Middle East and Africa.
New Rock guarantees to serve customers throughout the whole sales process. We can provide - pre-sales service (solution communication/technical response, assistance in bidding, development of solution proposal), in-sales service (installation guidance, on-site support, project cutover), after-sales service (project acceptance test, maintenance documentation transfer, technical training, remote service). Please leave your message for any needs, we will do our best to serve you!
Since its establishment in 2003, New Rock has always taken R&D as its core and insisted on independent innovation. Years of technology accumulation have enabled New Rock to have a complete product line and rich practical experience in unified communications field. With 27 pieces of software copyrights, 50% of R&D technicians, 25% of R&D expenditure in sales, and tech cooperation with Fudan University, we have collaborated to apply visible light communication products for the nuclear power plant communication and other fields. Welcome to become New Rock partner! Hand in hand together to build a bright future!
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SIP trunks are not only for voice calls, they can also be used for multimedia communications that include voice, video and messaging services.SIP trunks will replace SIP trunks will replace analogue and ISDN telephone lines, and many countries are already planning to discontinue the use of ISDN services.
Background on the creation of SIP Trunk
1.Traditional Phone Network
In a traditional telephone network, as shown in Pic1, all internal calls are made through an internal PBX, and communications between the business and the outside world are made through trunk lines provided by the PSTN telephone operator.
2.SIP & PSTN
With the development of IP technology, more and more enterprises are deployingSIP-based IP-PBXs, as shown in Pic2, for internal calls. However, for external calls, enterprises still need to rent a trunk line from a PSTN telephone operator. The disadvantage of this type of network is that the enterprise needs to maintain both the SIP network and the PSTN network, making it more difficult to manage.
With the massive deployment of SIP-enabled IP-PBXs in enterprises and the increasing number of ITSPs (Internet Telephone ServiceProviders) providing voice communications infrastructure over SIP, there is an urgent need for as solution that can improve the quality of service.
(Internet Telephone Service Provider), there is an urgent need for a SIP trunking technology that can provide a trunk line similar to traditional PSTN trunks to connect enterprise IP-PBXs.
SIP trunk technology, similar to traditional PSTN trunking, is needed to connect the enterprise IP-PBX to the external Internet Telephone Service Provider (ITSP) for network-wide IP. A typical network diagram of which is shown in Pic 3.
SIP Trunk as a feature can be embedded in a gateway or firewall deployed at the edge of the enterprise network. Devices that can implement SIP Trunking are called SIP Trunking Devices, or TG Gateways.
Tel:021-61202700 / 52217917
Address:5/F Block B, Building 1, No.188 Pingfu Road, Xuhui District, Shanghai 200231, China
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