Make a call-back request to a busy number, Sending dtmf signals, Mute, so that your correspondent cannot hear you – Alcatel-Lucent IP Touch 610 User Manual
Make a call-back request to a busy number, Sending dtmf signals, Mute, so that your correspondent cannot hear you | Using your telephone | Alcatel-Lucent IP Touch 610 User Manual | Page 8 / 27
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