Nortel Networks 553-3001-211 manual 17/-15 235

Page 888 of 894 The TDS/DTR card

Table 274

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

			Precision
		dB below	Ringing	DTMF
Tone #	Frequency (Hz)	overload	Tones	Digits	MF Digits
230	940/1480	-14/-12
231	700/1630	-14/-12
232	770/1630	-14/-12
233	850/1630	-14/-12
234	940 X 1630	-17/-15		p
235	700 X 1210	-17/-15		1
236	700 X 1340	-17/-15		2
237	700 X 1480	-17/-15		3
238	770 X 1210	-17/-15		4
239	770 X 1340	-17/-15		5
240	770 X 1480	-17/-15		6
241	850 X 1210	-17/-15		7

553-3001-211 Standard 2.00 September 2004