If value is set to "on", for the REFER SIP message, the Referred-By URI is enclosed with angled brackets. Some servers (e.g. Jive) rely on these brackets.
Hint: also see refer_brackets
...
N/A
Parameter | Valid value |
---|---|
<referred_by_brackets idx="INDEX" perm="PERMISSIONFLAG">VALIDVALUE</referred_by_brackets> | on, off |