Update caller id during a call, Configuring update caller id during a call, Update caller id during a call -8 – AASTRA 6700i series, 9143, 9480i, 9480i CT SIP Administrator Guide EN User Manual
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On the transferor phone, the REFER request will always be sent to the transferee.
Configuring SIP Message Sequence for Semi-Attended Transfer
Update Caller ID During a Call
It is possible for a proxy or call server to update the Caller ID information that displays on the
phone during a call, by modifying the SIP Contact header in the re-INVITE message. The phone
displays the updated name and number information contained within the Contact header.
The following parameter allows the system administrator to enable or disable this feature:
sip update callerid:
This parameter is configurable via the configuration files only.
Configuring Update Caller ID During a Call
Configuration Files
For the specific parameter you can set in the configuration files for customizing the semi-attended transfer
method, see Appendix A, the section, “
Semi-Attended Transfer Settings
Configuration Files
For the specific parameter you can set in the configuration files for enabling/disabling the update of caller ID
during a call, see Appendix A, the section,