400HD Series IP Phones
Administrator's Manual 118 Document #: LTRT-11973
5.8.24 Configuring Call Park
This service allows a user to ‘park’ a call in a ‘parking lot’. The ‘parked’ user is placed on hold
until a user in the enterprise retrieves the parked call. The feature improves user experience
(UX) by providing users with an indication of calls currently parked.
Note: The feature is not supported on:
• 450HD/C450HD phones without an Expansion Module (the feature is supported on
these phones when they have an Expansion Module)
• HRS
To configure a key for Call Park:
1. Open the Configuration File page (Management > Manual Update > Configuration
File) and locate the Call Park and Function Key parameters.
2. For the 3cx application server, configure ‘retrieve_prefix’ and ‘park_prefix’ with an empty
value.
Table 5-55: Call Park Parameters
Parameter Name Value Type Description
voip/services/busy_lamp_field/enabled 1 Bool BLF support
0=Disable
1=Enable (default)]
voip/services/park_with_refer 1 Bool
Automatic blind transfer for parking
0=Disable (default)
1=Enable
voip/services/retrieve_prefix
the server
String
Adds a prefix to the speed dial
before retrieving the parked call.
Default = *26
voip/services/park_prefix
the server
configuration
String
Adds a prefix to the speed dial
before parking the call.
Default = *32
Table 5-56: Functional Key Parameters
Parameter Name Description
personal_settings/functional_key/0-n/key_label Defines a label for a Parking Lot.
personal_settings/functional_key/0-
n/speed_dial_number
The telephone extension which the speed
dial dials. The speed-dial feature helps
users quickly dial extensions that are
frequently used or that are hard to
remember, or which include letters.
personal_settings/functional_key/0-n/type=
PARKING_LOT
Gives users the ability to monitor the
parking extension (busy, idle) and
park/unpark calls by pressing the
functional key.
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