8-Channel Voice and Fax Processing Board

The 8-channel voice and fax processing board is developed based on the requirement that one system can perform multiple basic functions. The product adopts advanced international algorithm and design mode, which integrates all the functions of DONJIN analog trunk voice processing board and fax resource board to one product to improve the system reliability and reduce the purchase costs. It is very suitable for enterprises.

    l  Possess all the functions of analog voice boards with modularized design, which can be configured freely (refer to the analog trunk voice processing board);

    l  Possess 8 analog trunk interfaces, with 4 fax resources;

    l  The all-DSP structure has 1000 MIPS processing capacity, which can control all fax protocols with stability and reliability;

    l  Support the software upgrade of all functions;

    l  Support to receive/send the .tiff files under the NADK SDK;

    l  Support to receive/send the .bfx files under the DBDK SDK;

    l  The fax receiving/sending rate can reach 9600 bps, which speed can be lowered automatically during the receiving/sending process to be adapted to various telecom environments;

    l  Support to receive/send fax of multiple pages once, and the page number is unlimited;

    l  It can be used with DONJIN voice boards together to share fax resources;

    l  User modules and trunk modules can be used together for small-sized call center;

    l  When the DBDK SDK is used, it can provide accurate port voltage value for the application;

    l  When the DBDK SDK is used, it can detect the CRBT with the accuracy rate over 90% to greatly improve outbound calling success rate. 


    Computer Bus


    Telecom   Interface











    M2T, M2U, M2R, MTU, MCS, MEM, M2VOC, M4VOC, C12




    M2T,M2U,M2R, MTU, MCS, MEM, M2VOC, M4VOC, C12

    l  Fax compatibility: Be compatible with all G3 group faxes that confirm to the ITU-TSS Recommendation;

    l  Modulation methods: V.17, V.21, V.29;

    l  Transmission rate: support the 9600 bps, 7200 bps, 4800 bps, and 2400 bps with automatic downspeeding;

    l  Confirm to the T.30 recommended by the ITU-TSS;

    l  In NADK SDK, encoding formats:

        ?  Input .tiff formats: MH, MR, MMR

        ?  Sent fax formats: MH, MR

        ?  Received fax formats: MH, MR

        ?  Saved file formats: MH

    l  In DBDK SDK, encoding formats:

        ?  Input .tiff formats: MH

        ?  Input .bfx formats: MH

        ?  Sent fax formats: MH

        ?  Received fax formats: MH

        ?  Saved file formats: MH

    l  Computer bus: PCI

        ?  Resource bus: The PCI interface board uses the CT-BUS, and confirms to the H.100. 

    l  Fax-On-Demand (FOD)

    l  Fax mail

    l  Voice mail

    l  Fax server

    l  Multi-Function small and medium-sized call center

    l  Small and medium-sized PBX


    DONJIN voice and fax processing board used in an economical call center

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