Cisco SPA2102 Administration Manual page 147

ATA Voice Field Reference
Regional page
Cisco Small Business ATA Administration Guide
Referral Services
Codes
These codes tell the ATA device what to do when the user
places the current call on hold and is listening to the
second dial tone.
One or more *code can be configured into this parameter,
such as *98, or *97|*98|*123, etc. Max total length is 79
chars. 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 ATA device to perform a blind
transfer to a target number that is prepended by the
service *code.
For example, after the user dials *98, the ATA device plays
a special dial tone called the Prompt Tone while waiting for
the user the enter a target number (which is checked
according to dial plan as in normal dialing). When a
complete number is entered, the ATA device sends a blind
REFER to the holding party with the Refer-To target equals
to *98
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 ATA device. You
can empty the corresponding *code that you do not want
to ATA device to process.
. This feature allows the ATA device to
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