When your SIP Registrar is not properly supporting long contacts speciļ¬ed in accordance with RFC 3840, you may want to switch this behavior off.
Identities - SIP Settings(Section): Long SIP-Contact (RFC 3840)
N/A
Parameter | Valid value |
---|---|
<user_descr_contact idx="INDEX" perm="PERMISSIONFLAG">VALIDVALUE</user_descr_contact> | <on>, <off> |