ZyXEL Communications IES-1248-51 Betriebsanweisung Seite 622

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Appendix B PSTN Parameters by Country
IES-1248-51V User’s Guide
622
Meter parameters:
frequency: 12 kHz
onTime: 200 ms
offTime: 200 ms
Caller ID parameters:
CID type: prior ring
payload type: DTMF
first TAS type: line reversal
second TAS type: NULL
first TAS interval: 300 ms
second TAS interval: 0 ms
start to ring: 400 ms (prior ring only)
Tones parameters:
dial tone: 425Hz -18.0dB continuous
ring back tone: 425Hz -18.0dB on 1.000s off 5.000s
busy tone: 425Hz -18.0dB on 0.500s off 0.500s
reorder tone: 480+620Hz -24.0dB on 0.250s off 0.250s
congestion tone: 425Hz -18.0dB on 0.250s off 0.750s
special dial tone: 350+440Hz -13.0dB continuous
call waiting tone #1: 425Hz -18.0dB on 0.200s off 0.500s
call waiting tone #2: 425Hz -18.0dB on 0.200s
MWI tone: 350+440Hz -13.0dB on 0.100s off 0.100s
ROH tone: 1400+2060+2450+2600Hz 3.0dB on 0.100s off 0.100s
warning tone: 480+620Hz -24.0dB on 0.250s off 0.250s
480+620Hz -24.0dB on 0.250s
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