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32-Channel GSM Gateway with 4SIM/channel

GoIP32-X4 is 32-channel GSM gateway with 4 SIM slots per channel. 4 SIM cards rotating in per channel.

  • GoIP32-X4-2G
  • Outbound call from VoIP

  • Inbound call from PLMN

  • Quadruple SIMs and Intelligent Switching

  • Hot Plug 

  • Bulk SMS

  • Auto obtain SIM Number

  • Remote management

  • IMEI changeable

  • Relay encryption and Saving bandwidth

  • GSM Channels:32 ports

  • Power Adapter: DC12V/4.5A

  • CPU: ARM11/700MHz

  • RAM: 128M

  • Flash:  8M

  • GSM Frequency: 850/900/1800/1900MHz

  • Max power consumption: 38W

  • Net weight: 4.5KG

  • Size: 51*41*4.7cm

  • Operating Tempreture: 0-45℃

  • Working Humidity:  10%-90% non condensation

  • Soft Features

  • VoIP Protocols: SIP V2, H.323 V4

  • Audio Codecs: g711(alaw/ulaw), g729, g723.1

  • DTMF format: SIP INFO, RFC2833, Inband

  • Packet Loss Concealment

  • Programmable Jitter Buffer: Fixed, Dynamic, Adaptive

  • Network Connection: DHCP, PPPOE, Static IP

  • STUN Server

  • Support English, Chinese

  • Support Signaling encryption

  • Support media encryption

  • Support Media NAT Traversal

  • Support Remote control

The concept diagram below shows a simple VoIP network for call center application.  It consists of a softswitch/IP PBX and VoIP clients such as an IP phone, a call center operator, and GoIPs.  All VoIP clients are configured to register to the softswitch/IP PBX.  For the GoIPs, each GSM channel is inserted with a valid SIM card in order to access the GSM network.  Both incoming and outgoing calls.

goip application