The KGSM board was developed to meet the increasing market demand for GSM cellular interfaces. The board KGSM has a powerful group of DSP-based resources that enable critical to be performed on the board. These voice resources available on the board, allow the KGSM to be used in numerous applications. Voice resources include, DTMF dialing, detection and generation, call progress, audio message playing and recording, conference, and VoIP gateway used in applications such as: cellular dialer, cellular/VoIP gateway, call center cellular interface, PABX cellular interface, GPRS and SMS gateways, among many others The board works with any national cellular GSM service provider, simply by adding the chip of the service provider of your choice.

Features and beneficits:

  • Capacity of up to 4 GSM interfaces for each board
  • Modularity: 1, 2, 3, or 4 interfaces
  • GSM Quad Band Interface: 850/900/1800/1900MHz
  • Works with any cellular provider SIMM chip, including different providers on the same board
  • DTMF dialing detection
  • Mailbox detection (signaling: 600 hz/450ms – 1000 hz/450ms)
  • Presence of audio and silence detection
  • Beep signals generation, 425 Hz and DTMF
  • Conferencing between GSM, VoIP and Ctbus channels
  • Full duplex recording and playing of WAV format files in the 4 interfaces simultaneously
  • Up to 8 VoIP calls using SIP protocol
  • Codecs available for recording, playing and VoIP: G711, GSM and ADPCM
  • Call progress analysis and remote support
  • SMS sending and receiving
  • Optional Hardware for Ctbus. Fractional implementation
  • All voice resources available, no need for added software
  • Compatible with Windows and Linux operating systems
  • Compatible with  interface PCI V2.2 universal (3V3 and 5V)
  • Anatel Certification
  • Manufacturer warranty for 3 years.

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