TB30s SIP Administrator Guide v1.3 Page 212 of 259
Configurable Refer-To header population
The purpose of this feature is being able to populate Refer-To header with
two different (but similar in concept) information. This is thought for
Attended Transfer where refer-to header included in REFER message has to
contain the URI of the target.
This will have to be configured in the phone which transfers (transferor) and
allows it to be compatible with more servers in what is related to Attended
Transference.
The two options are:
1. Populating it with the Request –URI of the messages sent to this target
(e.g: INVITE sent by transferor to the target in what we call
Consultative call)
2. Populating it with the Contact info of the target. This is obtained by the
transferor analyzing Responses of the requests sent to the target (e.g:
200 OK asnwered in already mentioned Consultative call )
Feature activation
For option 2 (recommended by RFCs) the Flag has to be activated and for
option 1 deactivated.
In this example, option 1 has been configured via web:
In APS config files (common and mac ) this issue will be configured using the
parameter TransferUseContact=1 (flag ON) or 0 (flag OFF )
Which is placed in [sip] section and set to 1 by default
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