Incoming Signaling Validation - Yealink SIP-T54S Administrator's Manual

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones

Incoming Signaling Validation

Yealink IP phones support the following three optional levels of security for validating incoming
network signaling:
Source IP address validation: ensure request is received from an IP address of a server

belonging to the set of target SIP servers.
Digest authentication: challenge requests with digest authentication using the local

credentials for the associated registered account.
Source IP address validation and digest authentication: apply both of the above methods.

Procedure
Incoming signaling validation can be configured using the configuration files.
Central Provisioning
(Configuration File)
960
Configure incoming dignaling
validation.
Parameter:
<y0000000000xx>.c
sip.request_validation.source.list
fg
sip.request_validation.digest.list
sip.request_validation.digest.realm
sip.request_validation.digest.event