FLASH (R) button
Press FLASH (R) (15) button to reset the multifrequency register from DTMF
post dialing status, used for some PSTN network and PBX services.
Redial button
Press REDIAL (14) button to dial out the last phone number which was dialed
out by user.
Pulse to Tone
During Pulse Dialing, if you want to switch to Tone Dialing temporarily, press
[ * ] button. All subsequent digits will be dialed in Tone mode. To resume Pulse
Dialing replace the handset on hook.