Call supervision parameters – Nortel Networks BCM50 User Manual
Page 262
262
Appendix N Market profile attributes
NN40020-302
Global
A-law
600
Ω
Yes
(0, 3 dB, 3 dB)
(3 dB, 3 dB, 6 dB)
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)
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
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
Taiwan
600
100
1600
0
256
United Kingdom
90
100
1600
15
200
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)