Specifications
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AS/CA S002:2010 COPYRIGHT
OCTOBER 2010
Note 2: The receiving tolerances applicable to the tone parameters at the
network boundary are as follows:
(a) Frequency tolerances: ± 20%; and
(b) Cadence tolerances: ± 20%;
Note 3: The power levels of service tones at the network boundary vary in
the range shown above.
Note 4: This range of levels for Preanswer Tones relates to those originating in
the Public Telecommunications Network. Preanswer Tones
generated in distant CE and transmitted across the
Telecommunications Network may be outside this range.
Note 5: * = amplitude modulated > 90%. An upper limit is not specified.
+ = A combined tone of the indicated frequencies.
Note 6: Subscriber Trunk Dialling (STD) is the facility by which the customer
can dial national trunk calls directly.










