Eschborn | Hartmannsdorf | Zurich
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BIG 5640

Analogue leased line gateway

with 4 analogue FXS ports




The BIG 5640 gateway replaces analgoue leased lines by operating leased line telephony and data services over IP networks. The gateway works with any access router and does not require a SIP infrastructure in contrast to VoIP soft switches. Up to four independent analogue lines can be smoothly migrated to the IP network providing a superior quality of service along with cost-effectiveness. The BIG 5640 offers 4 RJ11 (FXS) ports for the connection of analogue customer premises.

  • Up to 4 simultaneous conncetions
  • 4 analogue RJ11 (FXS) ports
  • Audio codecs: G.711, G.726, G.729, G722 etc.
  • Fax over IP (T.38, G.711)
  • Leased line modem support (2 & 4 wire mode)
  • Management: CLI via Telnet/SSH, SNMPv3, TR-069
  • Gigabit Ethernet WAN port
  • 3 Gigabit Ethernet LAN ports


Analogue leased lines – secure and time sensitive communication via dedicated channel

PBX extension – extend PBXs to remote locations

Tie line – connect two PBXs via a dedicated channel

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