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Compact white VoIP gateway with two FXS ports and Ethernet

AudioCodes

AudioCodes MP112/2S/SIP/CER 2FXS VoIP gateway

SKU CH-PC1X-FFSAM MPN MP112/2S/SIP/CER

Connects two analogue phones or fax lines to SIP, MGCP or H.323 VoIP networks via a 10/100 Ethernet link

  • Connect legacy phones via 2 FXS ports
  • Link to IP networks with 10/100 Ethernet
  • Support SIP, MGCP and H.323 protocols
  • Prioritise voice traffic using DiffServ and 802.1 VLAN tagging
  • Interoperate with softswitches and SIP servers

Analog VoIP gateway for legacy phones

The AudioCodes MP112/2S/SIP/CER connects two analogue telephones or fax machines to an IP telephony network using SIP, H.323 or MGCP protocols. It provides a compact, standalone solution for integrating legacy endpoints with modern VoIP infrastructure. The unit supports VLAN tagging and DiffServ QoS to prioritise voice traffic on shared networks.

Migration from traditional PSTN lines

This gateway replaces direct copper-line connections by registering analogue ports with a SIP server or H.323 gatekeeper. The upgrade is worthwhile when an organisation moves to a hosted PBX or SIP trunking service but wishes to retain existing handsets and fax equipment. Interoperability with leading softswitches ensures a straightforward migration path.

Pre-installation checklist

Verify that the target IP PBX or SIP provider supports RFC 3261 SIP, H.323 version 4 or MGCP signalling. Confirm the network switch port supplies 10/100 BASE-TX connectivity and can handle 802.1p/Q VLAN tagging for voice VLANs. Ensure two RJ11 cables are available for the FXS ports and that power requirements match the supplied adapter.

Highlights

  • Connect legacy phones via 2 FXS ports
  • Link to IP networks with 10/100 Ethernet
  • Support SIP, MGCP and H.323 protocols
  • Prioritise voice traffic using DiffServ and 802.1 VLAN tagging
  • Interoperate with softswitches and SIP servers

Specifications

No published specifications for this item yet.

Questions about this item

What physical connections does the MP112 gateway need for the two FXS ports and the Ethernet link?

The gateway provides two RJ11 ports for analogue phones or fax machines and one RJ45 port for 10/100 BASE-TX Ethernet.

What is the common configuration step that gets missed when registering the MP112 with a SIP server?

Users often forget to enable SIP (RFC 3261) in the protocol settings and to match the VLAN tag (802.1Q) and DiffServ values used by the PBX.

Which replaceable component should be monitored on the MP112 after several years of operation?

The internal power supply is the only field-replaceable module; plan to swap it if the unit loses power or shows intermittent reboots.

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