The Mitel 50004197 Interface Module is a discreet component that plugs into the back of your Mitel 5224 IP Phone (Dual Mode) or Mitel 5235 IP Phone for local access, emergency dialing and guaranteed survivability.

Key Features:

• Mfr. Part #: 50004197
• Voice communication automatically and transparently defaults to a Public Switched Telephone Network (PSTN) analog line if IP service is disrupted, allows users to continue to make and receive calls
• Works as a convenient solution that enables remote workers and teleworkers to have local calling capability and access to local emergency services
• If something should happen to the network, DSL services or even the local router, teleworkers still have uninterrupted access to voice communications
• Line Interface Module is, in essence, a low-cost disaster recovery solution for converged, mission-critical environments of any kind