Operation Manual

Configuring Regional Parameters and Supplementary Services
Configuring Supplementary Services (Star Codes)
Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide 183
7
• Referral Services Codes—One or more * codes can be configured into this
parameter, such as *98, or *97|*98|*123, and so forth. The maximum total
length is 79 characters.
This parameter applies when the user places the current call on hold (by
Hook Flash) and is listening to second dial tone. Each * code (and the
following valid target number according to current dial plan) entered on the
second dial-tone triggers the Cisco IP phone to perform a blind transfer to a
target number that is prepended by the service * code. For example:
- After the user dials *98, the Cisco IP phone plays a special prompt tone
while waiting for the user the enter a target number (which is validated
according to the dial plan as in normal dialing).
- When a complete number is entered, the Cisco IP phone sends a blind
REFER to the holding party with the Refer-To target equals to *98
target_number . This feature allows the Cisco IP phone to hand off a call
to an application server to perform further processing, such as call park.
The * codes should not conflict with any of the other vertical service codes
internally processed by the Cisco IP phone. You can delete any * code that
you do not want the call server to process.
Feature Dial Services Codes: Tells the Cisco IP phone what to do when the
user is listening to the first or second dial tone.
You can configure one or more * codes into this parameter, such as *72, or
*72|*74|*67|*82, and so on. The maximum total length is 79 characters. When
the user has a dial tone (first or second dial tone), they can enter a * code
(and the following target number according to current dial plan) to trigger
the Cisco IP phone to call the target number prepended by the * code. For
example:
- After the user dials *72, the Cisco IP phone plays a special prompt tone
while waiting for the user the enter a target number (which is validated
according to the dial plan as in normal dialing).
- When a complete number is entered, the Cisco IP phone sends an
INVITE to *72
target_number as in a normal call. This feature allows the
proxy to process features such as call forward (*72) or BLock Caller ID
(*67).
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