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Integrating IP communication, multi-data service and value-added services together, Model KTJ4I Dispatching and Communication System Based on Network supports not only connection of analog telephone but also IP telephone and IAD gateway devices. The system is suitable for production dispatching of mines, with advanced technology, complete functions, flexibility and reliability, and convenient maintenance. |
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Powerful dispatching functions such as diverting, forced cut-in, forced break, conference, hold-on, group call, night service and so on; |
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The system can set up multiple dispatching desks, which showing number, unit and data of incoming call user in plasma screen in Chinese; |
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Complete IP-PBX functions such as internal direct dialing, CLIP, direct dial-in, call-diverting, call-out limit, disturb free, call waiting, telephone conference, short code dialing and so on; |
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The system supports IP trunk and can connect with external IP voice network or combine multiple branch points into a united system by wide IP network, so as to realize seamless remote communication; |
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The system has multiple signal interfaces such as No.7 signal, ISDN-PRI, No.1 Signal of China, analog loop start, H.323, SIP, MGCP and H.248/MEGACO, and realizes flexible conversion between different signals and protocols and fully supports connection of networks of traditional voice and IP voice; |
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The system has VOIP function, which supports 96 IP voice compression channels and realizes conversion and intercommunication of the voice of traditional circuit and IP voice; |
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The system supports all IP hard/soft terminals based on H.232 and SIP and all kinds of IAD, and transmits voice and data on a same network, so relocating, adding or changing of telephone is more convenient and construction and management of enterprise's network is much easier; |
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The system supports analog extension phones; |
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The system can set up a voice mailbox for each user, when user goes out to other place, he can setup diverting to other phone, mobile phone or voice mailbox. When diverting to voice mailbox, if someone calls the user, it will be diverted to automatic answering system of voice mailbox of the user and prompt the calling party to leave voice message. |
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The system provides high-quality IP voice and supports TOS, JITTER BUFFER, VAD, CNG, Diffserv and other technologies, insuring IP voice quality; |
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Upgrading users can continue to use existing telephone network and new users can use analog extensions partly, so as to meet users' requirements of saving original investment and reducing network construction cost; |
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The system uses underground ring net as transmission channel and so needn't use expensive multi-core cable and is convenient for maintenance. |
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