Nortel Networks 553-3001-211 manual 400

Page 876 of 894 The TDS/DTR card

Table 273

NTAK03, NTDK20, and NTDK97 µ-Law tones and cadence (Part 2 of 6)

			Precision
	Frequency	dB below	Ringing	DTMF
Tone #	(Hz)	overload	Tones	Digits	MF Digits
19	770/1340	-12/-10		5
20	770/1480	-12/-10		6
21	850/1210	-12/-10		7
22	850/1340	-12/-10		8
23	850/1480	-12/-10		9
24	940/1340	-12/-10		0
25	940/1210	-12/-10		*
26	940/1480	-12/-10		#
27	700/1630	-12/-10		Fo
28	770/1630	-12/-10		F
29	850/1630	-12/-10		I
30	reserved
31	reserved
32	reserved
33	400	-19	÷
34	[400 x	-19	÷
	(120@85%)]
35	940/1630	-17/-15		P
36	700/1210	-17/-15		1
37	700/1340	-17/-15		2
38	700/1480	-17/-15		3

553-3001-211 Standard 2.00 September 2004