Aastra 9143i Series Administrator's Manual page 717

For example, suppose the IP phone user is using billing code 300, and dialing
the external number 617-238-5500. The IP user then enters the number using
the following format:
Using mandatory billing codes, if the user is configuring a Speeddial number,
then they enter the number using the following format:
To use this format with the default dial plan terminator (#), the # sign required
by Sylantro as a delimiter should be represented as an escaped character by
using the sequence %23. The speed dial format for an external number that
includes a mandatory billing code becomes:
• Optional billing codes: The user dials an optional billing code by dialing
*50, followed by the billing code digits. When prompted for additional digits,
user enters the phone number.
For example, suppose the IP phone user is using billing code 500, and dialing
the external number 617-238-5000. The IP user then enters the number using
the following format:
If the user is dialing configuring a Speeddial number, then they enter the
number using the following format:
41-001160-03, Rev 00, Releaes 2.4
6172385000#300
<phonenumber>%23<billingcode>
<phonenumber>%23<billing code>
*50500#6172385000
*50<billingcode>#<phonenumber>
To use this format with the default dial plan terminator (#), the # sign
required by Sylantro as a delimiter should be represented as an escaped
character by using the sequence %23. The speed dial format for an
external number that includes an optional billing code becomes:
*50<billing code>%23<phone number>
Configuring Advanced Operational Features
Advanced Operational Features
6-47