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Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide for H.323 (version 3.0)
OL-4804-01
Chapter 5 Parameters and Defaults
Dial Plan Parameters
Syntax
Hdnnnn
where d is a delay-in-seconds parameter 0-9,a-z (to support 0 to 35 seconds delay), and nnnn is the
variable-length phone number to call when no digits are entered for d seconds after offhook.
Example 1
H05551212
This is a hotline configuration; the Cisco ATA immediately dials 555-1212 when the handset goes off
hook.
Example 2
H55551212
This is a warmline configuration; the Cisco ATA waits for five seconds and dials 555-1212 if no digits
were entered when the handset went off hook.
‘P’ Rule to Support Dial Prefix
This rule is for automatic pre-pending the dial string as entered by the user with a specified prefix.
Syntax
Ptnnnn
where t is a single leading trigger character; if t is the first entered digit when making a new call, it
triggers the prepending of a variable-length prefix (as specified by nnnn) in the dial string. The t
character can take one of the following values:
0-9,*,#, 'n' (= any of 1-9), 'N' (any of 'n' and 0), 'a' (any of 'n',* and #), or 'A' (any of 'a' and 0);
Example
Pn12345
This rule prepends 12345 to the dial string when the first entered digit is any of 1-9. The triggered digit
is not removed from the dial string.
‘R’ Rule for Enhanced Prefix
This enhanced prefix rule matches entire strings, whereas the ‘P’ rules matches only a single digit. The
‘R’ rule is for automaticly prepending a specified prefix to the dialed string. The string must be an exact
match to trigger the rule. If more than one ‘R’ rule matches, the first matched ‘R’ rule is triggered.
The ‘R’ rule also uses negation to exclude one or more leading digits before prepending the defined
prefix string.
The number of dashes (-) after the R represents the number of leading digits that will be removed
preceding the prefix.
Syntax
Rnnnn(tttt)
where tttt is a trigger string. If the dialed numbers match this string, this match triggers the prepending
of a variable-length prefix (as specified by nnnn) to the dial string. The triggered string is not removed
from the dial string. The negation, subrule matching and range patterns can be applied to the trigger
strings.