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| Mine-used Wire/Wireless Communication |
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Integrating IP communication, multi data services and value-added services together, Model KTJ4I Dispatching and Communication System Based on Network not only supports 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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The system has powerful dispatching functions such as switching, 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 and unit name on plasma screen and setting bureau data of the system; |
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Equipped with touch screen, the dispatching desk can realize computerized dispatching; |
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The system has 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 network connection 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 traditional circuit voice 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, transmits voice and data in one network, and makes it much easier to move, add or change telephone; |
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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 the 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 supports technologies of TOS, JITTER BUFFER, VAD, CNG, Diffserv, etc. for insuring IP voice quality; |
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The upgrading users can continue to use existing telephone network and new users can use analog extensions partly, thus greatly meeting the users' requirements, 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 main cable, convenient for maintenance. |
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