Yealink SIP-T2 Series Administrator's Manual page 402

Administrator's Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
Parameter sip.request_validation.digest.realm
It configures the string used for authentication parameter Realm when performing the digest authen-
Description
tication.
Permitted
A valid string
Values
Default YealinkSPIP
Parameter sip.request_validation.event
It configures which events specified within the Event header of SUBSCRIBE or NOTIFY request should be
validated when performing the digest authentication.
Description
If it is left blank, all events will be validated.
Permitted
A valid string
Values
Default Blank
396
<y0000000000xx>.cfg
<y0000000000xx>.cfg