K161A-E

DONJIN Keygoe200 analog interface processing board K161A-E adopts PCIe computer bus structure, composed of a mother board and modules. It has 16 analog telephone interfaces, providing the modules such as trunk lines, user lines, trunk/user lines, high-impedance recording, E/M control, 2-pin voice, 4-pin voice, and so on; you can select various module combinations for various functions. Using DONJIN Keygoe SDK, K161A-E can be used for voice playing/recording, conferencing, faxing, VoIP, FSK data receiving/sending, text to speech (TTS), and many other functions. Besides, using the echo suppression processing circuits, K161A-E has quite excellent voice quality.  


    l  Use advanced Keygoe multimedia processing technology, and inherit the openness and flexibility of the Keygoe series products;

    l  Be compatible with Keygoe EasyAPI, and convinient for the system integrator to expand services to small and medium applciations at a low cost;

    l  One board could perform the multimedia processing functions such as the voice, conference, fax, and VoIP, not requiring to configure any resource board;

    l  Use echo suppression processing at the interface, and provide the posibility to improve the IP application performance;

    l  The small size is suitable for space-limited server, PC, or IPC;

    l  Designed for the applications with 32 channels or less, which is more cost-efficient.

    Voice interface

    l  Each module has 2 channels (2 calls), and each channel can perform the following functions based on the module type:

    2  Trunk module: on/off hook, calling in/out, voice recording/playing, receiving/sending DTMF, analog tone detection, and polarity inversion signal detection;

    2  User module: extension on/off-hook detection, feeding and ringing power, voice recording/playing, receiving/sending DTMF, and sending caller number to an extension phone;

    2  Trunk/User module: provide 1 trunk channel and 1 user channel to perform all the functions of trunk lines and user lines, also provide direct power connection during power failure;

    2  Recording module: voltage control, voice control, recording and special channel monitoring;

    2  Others: E/M control module, 2-pin voice module, and 4-pin voice module, providing corresponding functions; for details, see the description in "Component";

    l  Support the continuous speech processing (CSP), voice interrupt, and the real-time voice playing/recording of memory and file server;

    l  Caller identity detection (CID): Support two CID modes of DTMF and FSK;

    l  Support the DTMF, FSK, and customized envelope tone generation and detection;

    l  Support to adjust the DTMF receiving/sending sensitivity; adapt to different lines or terminals;

    l  Support the automatic gain control (AGC/ALS), voice activity detection (VAD) and comfort noise generation (CNG);

    l  Support the mix voice playing/recording and voice recording/playing in a full duplex mode;

    l  Support the conversion between the A law and μ law;

    l  Support the DPD and PVD.

    Fax

    l  Support to receive/send the .tiff files;

    l  The supported maximum fax receiving/sending speed rate is up to 14400 bps, and the automatic down-speeding is supported to adapt to various communication environments;

    l  Support the fax receiving/sending in an ECM mode; during the handshake, the ECM/NON-ECM mode is selected by self-adaptation;

    l  Support to receive/send a single or multiple fax pages, and the sent/received page count is not limited;

    l  Support to send multiple files once;

    l  Support to add customized page headers by function invoking.

    IP

    l  Support the H.323 protocol group, and could connect to the IP telephone gateway, gatekeeper, and soft switch which also support the H.323;

    l  Support the SIP, and could connect to the function servers that also support the SIP;

    l  Support encoding/decoding standards, including G.711, G.723.1, G.729A, and so on;

    l  Support the voice active detection (VAD) and silence compression.

    Conference

    l  Detect the DTMF tones generated by any conference member, and shield the tones to other members;

    l  The automatic gain control (AGC) ensures each conference member has the same volume;

    l  Personal volume control ensures each member can adjust the volume to a satisfied level.


    l  Analog interface number on one board: 16;

    l  Maximum board nubmer in one computer: 2;

    l  Maximum voice resources in one computer: 128 channels;

    l  Maximum fax resources in one computer: 16 channels;

    l  Maximum VoIP resources in one computer: 64 channels;

    l  Maximum conference resources in one computer: 64;

    l  Computer bus: PCIe;

    l  Size: 221 mm * 111 mm;

    l  Operating system: Microsoft Windows XP/2003/2008;

            Red Hat Enterprise Linux 5/6, CentOS 5, Debian 6, Ubuntu 11 Server.


    1. Voice resources

    l  Interface: loop trunk/user trunk/hi-impedance/others;

    l  Interface impedance: 3-element composed impedance (loop trunk/user trunk), more than 20 k (hi-impedance recording module);

    l  Sampling rate: 8 k;

    l  DTMF receiving/sending codes: 0–9, *, #, A, B, C, D;

    l  FSK modulation: phase continuous binary FSK:

    1: 1200Hz±1%

    0: 2200Hz±1%

    l  Voice encoding format: G.711 (support A law/μ law PCM, AMI-ADPCM), G729, G723.1, and so on;

    l  Voice file format: WAVE, PCM, ADPCM, VOX, and so on.

    2. Fax resource

    l  Support the T.30;

    l  Support to receive/send the fax confirming to the V17/V29/V27 standards at a rate of 14400/9600/7200/4800/2400 bps;

    l  Support to receive/send the fax in an ECM mode; during the handshake, the ECM/NON-ECM mode can be selected by self-adaptation;

    l  Support to receive/send the .tiff file in the MH, MR, and MMR formats.

    3. VoIP

    (1) RTP

    l  RTP/RTCP (RFC3551/3552);

    l  Voice packet sampling length/frame number can be configured (10–60 ms);

    l  RTP dynamic DTMF load (RFC2833/4733);

    l  Jitter buffer: Support the static jitter mode and dynamic self-adaptation mode simultaneously;

    l  Analyze the network environment and make the statistics of packet loss;

    l  NAT/firewall detection and traversal.

    (2) H.323

    l  ITU-T H.323v2 (H.225v2/H.245v3);

    l  Call parameters such as the Fast Start, and H.245 Tunneling;

    l  Call forwarding;

    l  Gatekeeper auto discovery and login (Support the number registration types of H.323 UID and E164);

    l  H.245 user input character and DTMF signal message (User Input Indication);

    l  Terminal registration management.

    (3) SIP

    l  IETF SIPv2 standard (RFC3261);

    l  UDP/TCP call mode;

    l  MD5(digest) authentication;

    l  REFER call forwarding (RFC3515);

    l  SIP (RFC3265 SUBSCRIBE/NOTIFY);

    l  Proxy server registration, security authentification, and regular refreshing;

    l  SIP INFO message(RFC2976);

    l  Registrar; support the authentication of the service part;

    l  NAT/firewall detection and traversal.


    l  Call center of small to medium sized enterprise (including IP call center);

    l  Telephone exchange of small to medium sized enterprise (including IP PBX);

    l  Industry IVR;

    l  Telephone conference system in enterprise level;

    l  Network fax system in enterprise level;

    l  Enterprise telephone recording system;

    l  Dispatching and emergency commanding system;

    l 

     

    DONJIN Keygoe200 analog interface multimedia processign board is applied in the small-sized IP call center.

    QQ图片20160804114019.jpg

    Solution features:

    l  Use two K161A-E, and support a maximum of 32 analog interfaces; the trunk lines and user lines can be combined in various types;

    l  The functions of recording, faxing, IP agent, and conferencing can be performed without configuring any media resource board;

    l  Adopt special echo surpression circuits for exellent call quality;

    l  One computer could provide a maximum of 64 IP agents;

    l  One computer could provide a maximum of 16 fax resources;

    l  The cost-efficient feature meets the requirment of growth-type enterprise. 


    Name

    Type

    Image

    Function

    Software

    Fax resource software

    SXFAX-K2


    It provides 4   fax resources; support the T.30.

    VoIP resource software

    SXVOIP-K2


    It provides 4 VoIP   resources; support the SIP and H.323.

    Module

    2-pin trunk module

    K2T


    It   is used with K161A-E together to access the loop trunk interface, which can   process 2 analog trunk channels simultaneously.

    2-pin   user module

    K2U


    It   is used with K161A-E together to access the user trunk interface, which can   process 2 user trunk channels simultaneously. Power-36 need be used to   provide feeding and ringing power.

    2-pin   recording module

    K2R


    It   is used with K161A-E together for voice recording, which can process two recording   channels simultaneously. It supports the voltage detection and adjustment.

    Trunk/User   module

    MTU


    It   is used with K161A-E together to access the loop trunk interface and user   trunk interface, which can process one loop trunk channel and one user trunk   channel  simultaneously. Power-36 need   be used to provide feeding and ringing power.

    EM   control module

    MEM


    It   is used with K161A-E together to process the E and M signals of two 4-pin E/M   trunks or 2-pin E/M trunks.

    2-pin   E/M voice module

    M2VOC


    It   is used with K161A-E together to process two-channel 2-pin E/M trunk voice.

    4-pin   E/M voice module

    M4VOC


    It   is used with K161A-E together to process one-channel 4-pin E/M trunk voice.

    Power

    Power   supply

    Power-36


    The   3-pin feeding and ringing power supply cooperates with K161A-E to provide the   feeding and ringing power for the modules K2U and MTU. The DC feeding voltage   is -36 V, while AC ringing voltage is 75 V

    Cable

    Cable   converter

    C14


    It   is used with K161A-E together to convert one RJ45 interface (defined by   DONJIN) to 4 RJ11 (2-pin) interfaces.

    10-pin   bus for board connection

    CD-H2×5


    When multiple boards are used together,   this cable must be used for clock synchronization. 


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