Quad GSM interface board for Soft PBX


The KGSM-40SPX board has been developed to meet the growing market demand for GSM cellular interface for soft PBX. Concerning board-based PABX applications, the KGSM-SPX is integrated within the system, without using any analog interfaces or external modules. The KGSM-40SPX has excellent audio quality because it runs digitally from Asterisk to the board without conversion to analog, and is capable of sending and receiving SMS messages. Khomp has prepared and distributes a channel driver for Asterisk, the most well known and used open source PBX today, along with the board. 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:

  • Compatible with Asterisk and FreeSWITCH
  • Capacity of up to 4 GSM interfaces per board
  • Modularity: 1, 2, 3, or 4 interfaces
  • Channel driver for Asterisk
  • GSM Quad Band Interface: 850/900/1800/1900MHz
  • Works with any cellular service provider chip, including different providers on the same board
  • Mailbox Detection (signaling: 600 hz/450ms – 1000 hz/450ms)
  • Presence of audio and silence detection
  • Beep signal generation, 425 Hz and DTMF
  • Receives and sends SMS
  • Compatible with Windows and Linux operating systems
  • Interface PCI-Express 1x or more, with technology DMA. Dimensions of board: 14,2 x 9,4cm
  • Interface Universal PCI V2.2 (5V or 3V3). Dimensions of board: 20 x 10,6cm
  • Anatel Certification
  • Manufacturer warranty for 3 years.

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