System Functions and Features as of I7.9
192 Call routing
syd-0200/3.0 – I7.9 – 11.2009
Conversion Rules
The conversion rules specify how a dialled phone number is to be converted to en-
able automatic access to a network provider.
Tab. 57 Conversion rule parameters
x- defines the start position for creating the substring;
if x is not specified, 1 is considered as the start position.
-y defines the end position for creating the substring;
if y is not specified, the last digit of the number is considered as the end position.
x / y If x or y only is specified without separator, the designated position applies.
Tab. 58 Examples for parameter <x–y>
A conversion rule can have up to 20 characters in total. The result string generated
from the conversion rule must not exceed a maximum of 40 characters.
Parameter Meaning
E Add access code
"0"–"9", "*", "#" Add specified characters
N Add dialled phone number
<x–y> Add digit x to digit y to the phone number
Z Switch over to frequency dialling (DTMF mode)
Pn Pause (n = 1-9 [seconds])
U Add user ID
K Add PIN (Personal Identification Number)
S Add user number as call charge code (only S or C)
C Add cost centre as call charge code (only S or C)
Parameter Meaning
<2–4> 3 digits from the second position of the number dialled
<3–> All the digits from the third position to the end (corresponds to <3–.>)
<–5> The first 5 digits (corresponds to <1–5>)
<3> The third digit only (corresponds to <3–3>)
<.> The last digit only
<1–> The entire number (corresponds to <1–.> and N)
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