1 DCN IP-gateway is a commutation device, performing the conversion and matching of digital data flows and voice connection protocols between the subscribers of DCN digital communication system or the subscribers of third party automatic branch exchange (ABX) connected via E1 line and IP-devices of digital dispatch system IPN produced by Armtel, or between SIP-devices and IP-ABX.
DCN IP gateway provides communication between subscriber devices of DCN and IPN Intercom and PA/GA communication systems, using the enhanced Armtel proto-cols, as well as their connection with other systems and devices via SIP protocol or ISDN PRI. The DCN IP-gateway enclosure can include up to 3 modules, which can differ by versions of built-in software.
Functional options of DCN IP-gateway module are determined by the version of installed
Module of DCN IP-gateway with software E1/IPN is for integration of the digital operative-technological PA/GA communication systems DCN and IPN produced by Armtel
Module of DCN IP-gateway with software E1/SIP is for communication of the subscribers of the digital operativetechnological PA/GA communication system DCN with the devices of SIPtelephony, such as SIP-telephones and IP-АBX, as well as for arrange-ment of communication between DCN central exchanges via IP-network
Module of DCN IP-gateway with software E1/FTP ARMT.665230.137.001-02 is for arrangement at external FTP-server of the storage of audio information, transmitted via E1 stream from the digital operative-technological PA/GA communication system DCN. This storage is used for realiza-tion of special communication functions, performing record and playback of speech fragments.