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Appendix
Special Characters Used When Writing Dialing Instructions
These characters perform special functions when embedded in any dialing string:
&- This is a
,- The comma is a one second pause.
\- The backslash is a four second pause.
T- "T" tells the port to switch to tone (DTMF) dialing. This is the default.
W- Wait for answer. On encountering this character,
;- The semicolon is wait for dial tone. The
$K - Stands for key value and causes the
~di - This is an instruction to dial in band. It is used only in the pager suffix string, and is present to prevent conflicts with in band and out of band signaling.
$A - This stands for the Extension Blocks Account code.
H- Operate the hookswitch. If on hook go off, if off hook go on.
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