Yealink SIP-T21 E2

Configuring Security Features
961
Details of the Configuration Parameters:
Parameters
Permitted Values
Default
sip.request_validation.source.list
A valid string
Blank
Description:
Configures the string used for source IP address validation.
It is used to ensure the request is received from the IP address of a SIP server.
Example:
sip.request_validation.source.list = INVITE, NOTIYF
Web User Interface:
None
Phone User Interface:
None
sip.request_validation.digest.list
A valid string
Blank
Description:
Configures the string used for digest authentication.
It is used to challenge requests with digest authentication use the local credentials for the
associated registered account.
Example:
sip.request_validation.digest.list = INVITE, SUBSCRIBE
Web User Interface:
None
Phone User Interface:
None
sip.request_validation.digest.realm
A valid string
YealinkS
PIP
Description:
Configures the string used for authentication parameter Realm when performing the digest
authentication.
Web User Interface:
None
Phone User Interface:
None