Phonelog Summit 1200
	Volume control & Recall Full duplex operation - no clipping of incoming or outgoing speech. The conversation can take place naturally as if the remote party were in the same room. Omni-directional microphone - provides confidence that the caller will hear everybody in the room Digital signal processors - maximise the quality of incoming and transmitted speech, also adjust themselves for the level of transmitted voice so that the calling party receives clear, natural speech. Incoming ringer switch with hi-lo-off settings Socket for optional extension microphone LED indicators for mute on/off Switchable ELR/TBR