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Chapter 4 Features and Enhancements
CPSEE_TSP500 User Guide Version 4.0 Page 4-15
This document is confidential and proprietary to SER Solutions and is not for external use.
Billing Codes - Feature
Billing Digits are pulsed out to the participating carriers to provide a mecha-
nism of categorizing customer’s phone bills.
Configuring the sending of Billing Digits is similar to the CP12000. A lower
case “c” is placed in the appropriate dialing rule to signify where in the dial
string the billing digits should be sent.
Also, “pauses” or “tone detection” can be added to the dial string to facili-
tate the necessary hand shaking needed to send the Billing Digits to the car-
rier.
However, there are some rules:
• For Wink Start lines, pause characters (P or p), “tone detection” charac-
ters (T or t), and the lower case “c” can be placed anywhere in the dial
string. This is because all characters are sent in-band (pulsed out as
DTMF digits).
• For ISDN lines, the telephone numbers are sent as data messages over the
D-Channel. Because the Billing Digits are sent as DTMF digits, they
must be sent after the telephone number is dialed. Therefore for ISDN,
the TSP considers all dialing rule characters after the “d” or “D” charac-
ter to be “post digits,” and they should be sent in-band using DTMF.