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D-SERIES

Web User Interface

N/A

Phone User Interface

N/A

Initial Firmware Version

8.7.2 8.4.32

XML Configuration

<attended_transfer_on_ringing perm="PERMISSIONFLAGS">VALIDVALUE</attended_transfer_on_ringing>

Description

Settings has been introduced to select between two different call transfer behaviours.

Consider the following flow:

 A calls B
 B picks up
 A and B converse (A and B have an confirmed dialog)
 ...
 B puts A on hold
 ...
 B calls C
 C is ringing, but does not yet pick up (B and C have an early dialog)
 B transfers A to C:
   B sends C a CANCEL (only if attended_transfer_on_ringing == off (old behaviour))
   B sends A a REFER without replaces.
   A sends an INVITE to C
 ...
 A and C converse

So setting this value to "on" will avoid the CANCEL request and thus avoiding a
possible "missed call entry" in some environments on party C.

Valid Values

on
off

Default Value

off (8.4 versions)
on (8.7 versions and higher)