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Advanced Operational Features
41-001160-01, Rev 00, Releaes 2.3 6-45
Configuring Advanced Operational Features
Multi-Stage Digit Collection (Billing Codes) Support (for Sylantro
Servers)
The IP Phones support Multi-Stage Digit Collection (billing codes) for Sylantro
Servers. Sylantro Server features, like mandatory and optional billing codes,
requires that the application server notify the phone to collect more digits before
completing the call. The IP phone is able to collect digits in two stages to support
the billing code feature.
Aastra IP Phone users are prompted to enter the correct billing code when they
dial these numbers:
• External numbers.
• Eternal numbers dialed using a Speeddial key.
Billing Codes Implementation Notes
Note the following implementation information:
• IP phone users may enter a 2-9 digit billing code. Billing codes may not start
with either 0 (Operator) or 9 (external calls).
• When using Sylantro Click-to-Call, IP phone users select a billing code from
a pull-down menu.
• When placing a call, a secondary dial tone alerts IP phone users to enter the
billing code. The IP phone UI also displays a “Enter Billing Code” message.
• If an IP phone user redials a number, they do not have to re-enter the billing
code. The billing code information is maintained and processed accordingly.
• If an IP phone user enters an invalid billing code, the call fails.
Mandatory versus Optional Billing Codes
This release of the Aastra IP phones supports two types of billing codes:
Mandatory and Optional. The Sylantro server configuration determines which
type of billing code is used on the IP phones.
• Mandatory billing codes: Calls are not connected until the user enters a valid
billing code. The user dials the phone number. When prompted for billing
codes, user dials the billing code.