Nortel Networks 553-3001-211 manual Dtmf

Page 882 of 894 The TDS/DTR card

Table 274

NTAK03, NTDK20, and NTDK97 A-Law tones and cadences (Part 3 of 9)

			Precision
		dB below	Ringing	DTMF
Tone #	Frequency (Hz)	overload	Tones	Digits	MF Digits
104	850/1630	-13/-12		I
105	350/440	-17/-17	÷
106	400/450	-17/-17	÷
107	1400	-26	÷
108	440	-23	÷
109	420	-9	÷
110	950	-12	÷
111	1400	-12	÷
112	1800	-12	÷
113	940/1630	-12/-10		P
114	700/1210	-12/-10		1
115	700/1340	-12/-10		2
116	700/1480	-12/-10		3
117	770/1210	-12/-10		4
118	770/1340	-12/-10		5
119	770/1480	-12/-10		6
120	850/1210	-12/-10		7
121	850/1340	-12/-10		8
122	850/1480	-12/-10		9
123	940/1340	-12/-10		0
124	940/1210	-12/-10		*

553-3001-211 Standard 2.00 September 2004