Advanced Operational Features
6-8 41-001160-03, Rev 00, Releaes 2.4
IP Phone Administrator Guide
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 enabling/disabling the update of caller ID
during a call, see Appendix A, the section, “Update Caller ID Setting.” on page A-233.
