The numeric value can negative, zero, and positive:
● Negative value: Ringing lasts indefinitely
● No value: Ringing lasts infinitely
● Zero value: Ringing is skipped
● Positive value: Normal ringing duration
Example: 30.5
This example illustrates a ringing tone that terminates after 30.5 seconds.
Ring Field-2 to Field-5 Composition
Fields-2/3/4/5 share the same definition, and each field describes one single cadence segment.
Together, the four fields form a macro-segment, which is repeated until ringing expires.
The expression is a string of numeric values with the special notation '(' , ')' and ','
It has the format as per the following construct:
t(on_0+off_0,on_1+off_1,on_2+off_2,on_3+off_3)
t: The cadence segment duration in seconds.
● Negative value: Ringing indefinitely
● No value: Ringing indefinitely
● Zero value: Ringing is skipped
● Positive value: Normal ringing duration
on_0/1/2/3: The ring active time in seconds.
● Negative value: Not allowed
● 1No value: Infinite ring active time
● Others: Normal ring active time (as many as 3 decimated digits)
off_0/1/2/3: The ring inactive time in seconds
● Negative value: Not allowed
● No value: Infinite ring inactive time
● Others: Normal ring inactive time (as many as 3 decimated digits)
Example: 4(.3+2.34,2+1.5)
This example illustrates a ringing tone comprised of two segments. Ringing is active for 0.3 seconds,
followed by 2.34 seconds of silence, then ringing for 2 seconds, and followed by 1.5 seconds of
silence.
This cadence operates repeatedly for 4 seconds.
For more information on call waiting parameters, see the Call Waiting Parameter Guide table in the
Parameter Reference Guide.
Ring Field-2 to Field-5 Composition
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