Ēš Users can transfer an active Intercom/CO/IP call to other stations.
Calls can be transferred after announcing the call(Screened) or
without announcing the call (Unscreened)

Ēš Press TRANS button.
Ēš Dial Station to receive call.
Ēš At answer or Splash tone, announce case (Screened).
Ēš Hang-up, return to idle(Unscreened)