Appendix
<TONE>
Call Waiting Tone 1
(outside/intercom)
Call Waiting Tone 2
(outside)
Call Waiting Tone 2
(intercom)
Hold Alarm Tone
<RING TONE>
Outside Calls /
Outside Call Hold Recall
Intercom Calls /
Intercom Call Hold Recall
Doorphone Calls /
Timed Reminder
Callback Ringing
(Camp-on Recall)
552
5 s
1 s
15 s
15 s
User Manual