Nortel Networks 553-3001-211 manual 188

Page 886 of 894 The TDS/DTR card

Table 274

NTAK03, NTDK20, and NTDK97 A-Law tones and cadences (Part 7 of 9)

			Precision
		dB below	Ringing	DTMF
Tone #	Frequency (Hz)	overload	Tones	Digits	MF Digits
188	420 X 25	-17
189	950	-16
190	950	-25
191	940/1630	-9/-7
192	700/1210	-9/-7
193	700/1340	-9/-7
194	700/1480	-9/-7
195	770/1210	-9/-7
196	770/1340	-9/-7
197	770/1480	-9/-7
198	850/1210	-9/-7
199	850/1340	-9/-7
200	850/1480	-9/-7
201	940/1340	-9/-7
202	940/1210	-9/-7
203	940/1480	-9/-7
204	700/1630	-9/-7
205	770/1630	-9/-7
206	850/1630	-9/-7
207	420	-10
208	420	-8

553-3001-211 Standard 2.00 September 2004