Specifications
2-10 System Configuration Tables
Chapter 2 - System Specifications
XTS-IP - Installation Manual December 2005
Table 2-11: Electronic Telephone Audible Signals
Type of Signal Frequency
Signal Duration
(in seconds unless otherwise indicated)
Electronic Telephone Signals
Incoming CO Line 440+480 0.4 on/0.4 off/0.4 on/2.0 off; Repeated
Intercom Tone Ringing 440+480 0.8 on/2.4 off; Repeated
Intercom Call Announce (H-P modes) 440 0.2 on/0.2 off; (3 bursts)
Transferred CO Line 440+480 0.8 on/2.4 off; Repeated
CO Line Recall 440+480 0.24 on/0.6 off; Repeated
Message Wait Call Back 440+480 0.8 on/2.4 off; Repeated
CO Queue Call Back 440+480 0.8 on/2.4 off; Repeated
Camp-On 440 0.8 on (1 burst)
Paging Alert Tone 440 1.0 on
Type of Signal Frequency
Signal Duration
(in seconds unless otherwise indicated)
Electronic Telephone Confidence Tones
Intercom Ringback 440+480 0.8 on/2.4 off
Transferred CO Line 440+480 0.8 on/2.4 off
Call Announce 440 0.2 on/0.2 off; (3 bursts)
Busy Tone 480+620 1.0 on/0.2 off/1.0 on/0.2 off/0.2 on/ 0.2 off/
0.2on/0.2 off/0.2 on; Repeated
Error Tone 480+620 0.2 on/0.1 off; Repeated
Intercom Dial Tone 350+440 Steady
DND Tone 350+440 0.4 on/0.4 off/0.2 on/0.2 off/0.2 on; Repeated
Paging Confirmation Tone 350+440 1.0 on
Conference Time-out/Re-Enter Tone 440 Programmable Steady Tone
Confirmation Tone 350+440 0.2 on/0.2 off; (3 bursts) CO/PBX