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After years of development, our country's universities are generally established a fairly complete the campus network, the various parts of the school are able to effectively connect these networks together, and in general they are more network bandwidth on campus comfortable, and even some universities and education network connection in addition to exports, the backbone networks and operators there are also more than enough bandwidth, the export connection. However, in general, campus networks, these applications are relatively simple, just to access the internet or some internal common data transmission, the value of the network far from being the greatest use of these idle bandwidth resources need development. On the other hand, university phone network construction is relatively complete, each dormitory had a telephone connection, while some of the larger university operator is directly deployed PBX. Face two favorable conditions, many colleges and universities are considering building a VOIP system, while for those who are full of idle bandwidth use, it also can effectively reduce communication costs within the system, so that double benefit. Faced with this situation, many organizations have introduced corresponding campus VOIP solution, now let us look. Option One: Great Tang Gaohong campus VOIP solutions First up is the big Tanggao Hong education industry-specific solution launched by Campus VOIP. The program's network topology is as follows: In the scheme, taking into account the campus network environment is relatively simple, so access is done mainly through the voice gateway to the campus of the ordinary telephone access to the campus network. Interoperability with PSTN trunking gateway to connect through the PSTN network and the Internet network. The program within the campus network to deploy a large Tanggao Hong launched softswitch platform SS3000-T. By SS3000-T's control, management and billing functions, to achieve campus VoIP network "can be maintained to operate." Specific measures for implementation of the program center in the school room to deploy VoIP / softswitch platform SS3000-T, in the student dormitories, offices and other wiring room off the deployment of CPN MG3000-A, and make it down a termination Quarters , Office of the ordinary telephone, etc., up one end of the campus network via Ethernet interface to access. Office building in a number of key deployment of intelligent routing engine room wiring Gateway MG3000-R, its downstream FXS port access, etc. The general office telephone, FXO port then the original operator's telephone trunk, one end through the Ethernet uplink interface to access the campus network. These can be as original as a regular telephone call, receive PSTN calls. Interworking with PSTN trunking gateway MG3000-T or platform based on the actual situation can be deployed in the operation from the schools themselves Shangji room, you can directly use the virtual operator or operators of the equipment. Use the program to many large Tanggao Hong self-developed network equipment, including the SS3000-T soft-switching communications platform, MG3000-A CPN off, MG3000-R intelligent routing gateways and trunking gateways MG3000-T32, Here let us look at the situation of these products. SS3000-T was developed from the large Tanggao Hong H.323 and SIP-based set of open protocols, standards and performance as one of, for carriers and large industry softswitch. System meets the SIP Series, and H.323 series protocol standards, support for the latest SIP protocol (RFC3261) and the H.323 protocol (H.323V4), and with the earlier standard SIP and H.323 protocol, or VOIP system terminal device compatible. The system can meet the telecommunications business operators and industry / enterprise communication requirements, the implementation of an open platform, distributed communications, synthetic voice, data and video communication services, and provide a rich call services. The system has powerful exchange, network management and billing systems that meet a variety of operational needs, while supporting interoperability between different protocol functions. MG3000-A CPN network related products can provide high-quality IP-based packet-based voice stream, so that voice, fax, data transmission on the same IP network, fully utilize network resources, saving . Using MG3000-A Series CPN off, call through the existing IP network or internal digital network transmission, low-cost calls. MG3000-A Series CPN related support multiple VoIP protocols and voice codecs, a small bandwidth, voice quality good, then Zuwang Fang, application flexibility, applicable to all types of businesses, families, and to be frank. MG3000-A Series CPN by one 10/100Base-T Ethernet port to connect IP networks to support multiple concurrent VoIP calls. MG3000-A can be directly connected to the telephone or fax (FXS port). MG3000-A support PSTN escape, support PPPoE and DHCP, use the WEB browser configuration, friendly interface, configuration is simple. We are high quality suppliers, our products such as Butterfly Valve Manufacturer Manufacturer , Pvc Butterfly Valve for oversee buyer. To know more, please visits Pvc Butterfly Valve.
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