R26/R23 Series
Admin Guide
4.2.3. SIP Call Related
Go to Account-Advanced to configure the SIP call related.
Max Local SIP Port: To configure maximum local SIP port for
designated SIP account.
Min Local SIP Port: To configure maximum local SIP port for
designated SIP account.
Caller ID Header: To choose caller ID header format.
Anonymous Call: If enabled, R26/R23X will block its information
when calling out.
Anonymous Call Rejection: If enabled, calls who block their
information will be screened out.
Missed Call Log: If enabled, any missed call will be recorded into
call log.
Prevent Hacking: If enabled, it will prevent SIP messages from
hacking.
Figure 4.2.3-1 SIP call related
Figure 4.2.3-2 SIP call related