Security Settings
Check Domain
Certificates
Sets the phone system to check the domain certificates if TLS/TCP is used for SIP Transport.
The default setting is “No”.
Validate
Certification
Chain
Configures whether to validate certification chain, when TLS/TCP is configured for SIP Transport. If this
is set to “Yes”, phone will validate server against the new certificate list.
The default setting is “No”.
SIP CA Certificate
SIP User
Certificate
Validate
Incoming SIP
Messages
Select the CA certificate for server verification.
Select the user certificate to access SIP TLS authentication content required by some specific servers. If
the private key is included, upload it with the user certificate.
Specifies if the phone system will check the incoming SIP messages caller ID and CSeq headers. If the
message does not include the headers, it will be rejected. The default setting is “No”.
3. If set to "To Header", the Callee ID will not be updated and only use the value displayed in the
to header.
Ringtone
Account Ringtone
Congures the ringtone for the account. Users can set ringtones from the dropdown list. User can
also import customized ringtone from LCD Setting menu.
The customized ringtone le name will also be showed up in the dropdown list that allows user to
select.
Ignore Alert-Info header
Congures the default ringtone.
If set to “yes”, the incoming alert info header from the SIP server will be ignored and default
congured ringtone will be played.
The default setting is “No”.
Match Incoming Caller
ID
Species the rules for the incoming calls. If the incoming caller ID or Alert Info matches the
number, pattern or Alert Info text rules, the phone will play the selected distinctive ringtone. The
rule policy:
·Specic caller ID number. For example, 8321123;
· A dened pattern with certain length using x and + to specify, where x could be any digit from 0 to
9. Samples:
● xx+ : at least 2-digit number;
● xx : only 2-digit number;
● [345]xx: 3-digit number with the leading digit of 3, 4 or 5;
● [6-9]xx: 3-digit number with the leading digit from 6 to 9.
· Alert Info text
Users could congure the matching rule as certain text (e.g., priority) and select the custom ring
tone mapped to it. The custom ring tone will be used if the phone receives SIP INVITE with Alert-
Info header in the following format: Alert-Info:
<http://127.0.0.1>; info=priority
Distinctive Ring Tone
Selects the distinctive ring tone if the incoming caller ID matched the specied Match Incoming
Caller ID rule. If so, the phone will play the selected ringtone.