Options During a Call31To switch the microphone back on:♦Press the Unmute soft key. The other person on the call can hear youagain.Using the SpeakerphoneSpeakerphone lets several persons near the phone participate in a call atthe same time by broadcasting the voice or voices of those on the otherend of the telephone line and using the microphone to capture the voices ofeveryone near the phone.To use the speakerphone function during a call, press the key. Use thevolume keys (on the left side of the phone) to adjust the volume.Use the volume keys on the left side of the phone to adjust the volume.Muting or Sending Key TonesThis option allow you to turn the key tones off or on. If the Mute KeypadTone option is selected, your phone does not transmit the DTMF (DualTone Multi-Frequency) tones produced by the numeric keys during a call.This allows you to use the keypad without hearing annoying key tones.Note: To communicate with answering machines or computerized telephone systems, the SendKeys option must be selected.Making a Multi-party CallMulti-party calling is a network service that allows up to six people to takepart simultaneously in a multi-party or “conference” call.Note: Please contact your service provider to determine if multi-party calling is supported.