System Ringing Patterns - Comdial DSU II System Manual

IMI66–132
1.7.2

System Ringing Patterns

Ring Type
CO/PBX Line Ring
Intercom Tone Signaling
Voice Signaling alert
Timed hold recall at station that put call on hold
Call back alert
Queue Enabled
Call forward alert
Transfer ringing
Tone Type
Dial Tone
Called station ring-back
Base level program entry
Error tone—incorrect entry
All-call and zone paging notification tone
Busy tone
Override feature not allowed
Night transfer feature not allowed
Call waiting tone
Called station in do-not-disturb mode
Call-back busy feature on
System is awaiting memory dial number or key mapping
entry after location is specified
Override feature on warning tone
SOHVA tone
DISD ringback tone
DISD dial tone
DISD confirmation tone
DISD busy/error tone
1–26 Introducing The DSU II Digital Telephone System
DSU II Digital Telephone System
Ring Cadence
Host system ring cadence
Two 150 msec. tone bursts every four seconds
One 215 msec. tone burst
Three 150 msec. tone bursts at the end of each timeout
period
One 80 msec. tone burst followed by three 150 msec. tone
bursts and one 80 msec. tone burst
One 80 msec. tone burst
Two 1.1 sec tone busts every four seconds
Tone Cadence
Continuous on
One sec. on and three sec. off
80 msec. tone burst sounded once
530 msec. tone burst sounded three times
80 msec. tone burst followed by 280 msec. tone
530 msec. tones sounded continuously
Three 80 msec. tone bursts sounded once
140 msec. tone burst sounded twice every 1.5 sec.
260 msec. tone burst sounded once
80 msec. tone burst sounded continuously
Six 100 msec. tone bursts sounded for 1.5 secs.
Dual 440/480 Hz tone sounded 1 sec. on/1 sec. off
381 Hz tone sounded continuously
Two 125 sec. bursts of 381 Hz tone sounded once
Three 500 msec. bursts of 381 Hz tone sounded once