Aastra Telecom C53I Minimum Nominal Maximum, Duration Bellcore Tone Pattern Cadence Standard

IP Phone Administrator Guide Operational Features

Operational IP Phone Features

The following table identifies the different Bellcore ring tone patterns and cadences.

				Minimum	Nominal	Maximum
	Pattern			Duration	Duration	Duration
Bellcore Tone	ID	Pattern	Cadence	(ms)	(ms)	(ms)
(Standard)	1	Ringing	2s On	1800	2000	2200
		Silent	4s Off	3600	4000	4400
Bellcore-dr2	2	Ringing	Long	630	800	1025
		Silent		315	400	525
		Ringing	Long	630	800	1025
		Silent	Long	3475	4000	4400
Bellcore-dr3	3	Ringing	Short	315	400	525
		Silent		145	200	525
		Ringing	Short	315	400	525
		Silent		145	200	525
		Ringing	Long	630	800	1025
		Silent		2975	4000	4400
Bellcore-dr4	4	Ringing	Short	200	300	525
		Silent		145	200	525
		Ringing	Long	800	1000	1100
		Silent		145	200	525
		Ringing	Short	200	300	525
		Silent		2975	4000	4400
Bellcore-dr5	5	Ringing		450	500	550

Note: If the "Do Not Disturb" (DND) or the "Call Forward" (CFWD) feature is enabled on the server-side, and the user is still waiting for a call, the "Bellcore-dr5" is a ring splash tone that reminds the user that these are enabled.

5-156 41-001160-00, Rev 01 Release 2.0