Commend International ES931H/M - 3 Gang SIP/IP Substation

The SIP/IP flushmount substations ES931H/M are designed especially for mounting into 3-gang double deep back boxes. The intercom station is manufactured in the new DSP-technology, which enables functions such as Audio-Monitoring or Loudspeaker/Microphone Monitoring. The station is prepared for future download of new functions (updates to new versions) and can utilize the Open Duplex capability of the GE300, SIS, IS300, and GE800 intercom servers.