Table 23: Account/SIP/Call Settings
Account/SIP/Advanced Settings
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”.
Allow Unsolicited
REFER
It is used to configure whether to dial the number carried by Refer-to after receiving SIP REFER
request actively. The default is “Disabled”.
If it is set to “Disabled“, the phone will send error warning and stop dialing.
If it is set to “Enabled/Force Auth“, the phone will dial the number after sending
authentication, if the authentication failed, then the dialing will be stopped.
If it is set to “Enabled“, the phone will dial up all numbers carried by SIP REFER.
Accept Incoming SIP
from Proxy Only
If enabled, the SIP address of the request URL in the incoming SIP message will be checked. If it
doesn’t match the SIP server address of the account, the request will be ignored.
The customized ringtone file name will also be showed up in the dropdown list that allows user
to select.
Ignore Alert-Info header
Configures the default ringtone.
If set to “yes”, the incoming alert info header from the SIP server will be ignored and default
configured ringtone will be played.
The default setting is “No”.
Match Incoming Caller
ID
Specifies 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:
·Specific caller ID number. For example, 8321123;
· A defined 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 configure 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 specified Match Incoming
Caller ID rule. If so, the phone will play the selected ringtone.
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