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
