274 Appendix N Market profile attributes
NN40170-305
Hong Kong mu-law 600 Ω No (N/A, 0, N/A) (N/A, 6 dB, N/A)
Ireland A-law 270 Ω +
(750
Ω||150 nF)
Yes (0, 3 dB, 3 dB) (3 dB, 3 dB, 6 dB)
Mexico A-law 600 Ω Yes (0, 3 dB, 3 dB) (3 dB, 3 dB, 6 dB)
New Zealand A-law 320 Ω + (1050 Ω ||
230 nF)
No (N/A, 3 dB, N/A) (N/A, 3 dB, N/A)
North America mu-law 600
Ω Yes (-3 dB, 0, 0) (0, 0, 3 dB)
Poland A-law 600 Ω No (N/A, 3 dB, N/A) (N/A, 3 dB, N/A)
PRC A-law 600 Ω Yes (-3 dB, 0, 0) (0, 0, 3 dB)
Russia A-law 600 Ω Ye s
South Africa A-law 220 Ω + (820 Ω || 115
nF)
No
Spain A-law 270 Ω + (750 Ω || 150
nF)
No
Taiwan u-law 600
Ω Yes (-3 dB, 0, 0) (0, 0, 3 dB)
United Kingdom A-law 320 Ω + (1050 Ω ||
230 nF)
No (N/A, 3 dB, N/A) (N/A, 3 dB, N/A)
Table 68 Call supervision parameters (Sheet 1 of 2)
Market profile
Call supervision
Link/flash time
(ms) OSI time (ms)
Force on-hook
time (ms)
Wetting time
(ms)
Ring
confirmation
count (ms)
Australia 100 100 1600 0 150
Bahrain 600 100 1600 N/A 256
Brazil 300 100 2000 N/A 256
CALA 600 100 1500 N/A 256
Canada 600 100 1600 N/A 256
Caribbean 600 100 1600 N/A 256
Global 600 100 1500 N/A 256
Hong Kong 500 100 1000 N/A 256
Ireland 150 100 2000 N/A 200
Mexico 600 100 1600 N/A 256
New Zealand 90 100 1600 15 200
North America 600 100 1600 N/A 256
Poland 500 500 1800 N/A 256
PRC 600 100 1600 N/A 256
Russia 100 100 400 0 256
Table 67 Transmission parameters (Sheet 2 of 2)
Market profile
Transmission
PCM coding
scheme
AC impedance
Loop length
adjustment
capability
Tx CO gain
(short, medium,
long)
Rx CO gain
(short, medium,
long)
