Specifications

Appendix A - Country Specific Parameters Administration Manual (SIP/MGCP Version)
AT-VP504E FXS 121
Great Britain The following parameters apply if you have selected Great Britain as
location.
Ringing Tone 425 Hz 1.0 – 4.0, 1.0 – 4.0, 1.0
– 4.0
-13 dBm
Ring 75 VRMS, 25 Hz 1 – 4
Impedance Z
R
= 220 Ω + 820 Ω // 115 nF
Tbrl-Impedance Z
N
= 220 Ω + 820 Ω // 115 nF
FXS Line Attenuation (Input) 0 dBr
FXS Line Attenuation (Output) -7 dBr
Table 61: Germany 2 Parameters (Continued)
Parameter Value On – Off Sequence (s) Elect. Levels
Table 62: Great Britain Parameters
Parameter Value On – Off Sequence (s) Elect. Levels
Dial Tone 350+440 Hz CONTINUOUS -19 dBm
Busy Tone 400 Hz 0.375 – 0.375 -19 dBm
Ringing Tone 400+450 Hz 0.4 – 0.2, 0.4 – 2.0,
0.35 – 0.22 followed by
0.4 – 0.2, 0.4 – 2.0
-19 dBm
Special Information Tone 950 Hz
1400 Hz
1800 Hz
0.33
0.33
0.33 – 1.0
-19 dBm
Ring 62 VRMS, 25 Hz 1.0 – 4.0
Impedance Z
R
= 300 Ω + 1000 Ω // 220 nF
Tbrl-impedance Z
N
= 370 Ω + 620 Ω // 310 nF
FXS Line Attenuation (Input) +3 dBr
FXS Line Attenuation (Output) -9 dBr