Cisco 501G Administration Manual page 149
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Configuring Regional Parameters and Supplementary Services
Configuring Supplementary Services (Star Codes)
Cisco SPA500 Series and WIP310 IP Phone Administration Guide
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Paging (*96)—Pages the number called.
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Call Park (*38)—Parks a call on an entered line number.
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Call UnPark Code (*39)—Retrieves a call from an entered line number.
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Call Pickup (*36)—Picks up a call at an entered extension.
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Group Call Pickup (*37)—Picks up a ringing call at a group of extensions.
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Media Loopback Code (*03)—A service provider can set up a test call from
an IP media loopback server (the source) to a subscriber's VoIP device (the
mirror). The test call provides statistical reporting on network performance
and audio quality.
Depending on the source's capabilities, the SP can see packet jitter, loss,
and delay (although Media Loopback cannot identify an offending hop). This
helps the SP identify an offending hop that could be causing issues in VoIP
calls to a subscriber. The test results can also provide audio quality scoring,
which lets a SP better understand the subscriber's experience.
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Referral Services Codes—One or more * codes can be configured into this
parameter, such as *98, or *97|*98|*123, and so on. 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:
a. 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).
b. 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
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 to SPA9000 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.
7
target_number
. This
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