The IP311 VoIP gateway is our smallest VoIP PBX.
4 x FXO analogue trunk lines
2 x FSX analogue extension lines
2 x Ethernet RJ45

SKU: 01-00311-001 Category:


The IP311 VoIP gateway is the central computer in a VoIP telephone system. It is powered by PoE via the Ethernet connection. In addition to beeing the “central processor” in a VoIP telephone system with unlimited number of extensions, it implements 4 analogue trunk lines (FXO) and 2 analogue extension lines (FXS).

  • VoIP PBX
  • Unlimited number of extensions
  • Powered by PoE over Ethernet according to IEEE 802.3af, Class 3
  • 210 x 134 x 32 mm
  • One height unit (HU) for 19” systems
  • Weight: 840 g
  • Power max 2,5W
  • Operating 0-40 dgs C
  • 6 voice channels
  • 4 x a/b interface FXO: connection of analogue trunk lines, RJ-11 (modular Jack 6P2C)
  • 2 x a/b interface FXS: connection of analogue extensions, RJ-11 (modular Jack 6P2C)
  • 2 x Gigabit Ethernet: 1000-BASE-T (auto negotiation), RJ-45 (modular Jack 8P8C)
  • G.711 A-law / µ-law
  • G.722
  • G.723.1 (5.3)
  • G.729A
  • Opus-NB incl. VAD (Voice Activity Detection), CNG (Comfort Noise Generation)
  • Dynamic Jitter Buffering
  • Echo Compensation according to G.168