ringtone. Matching rules:
● 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
Selects the distinctive ring tone for the matching rule. When the incoming caller ID or Alert Info
matches one of the 10 rules, the phone will ring with the associated ringtone.
Security Settings
Check Domain Certificates
Configures whether the domain certificates will be checked when TLS/TCP is used for SIP Transport.
The default setting is “No”.
Validate Certificate Chain
Validate certification chain when TCP/TLS is configured.
The default setting is “No”.
Validate Incoming SIP
Messages
Specifies if the phone 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
Configures whether to dial the number carried by Refer-to header after receiving out-of-dialog SIP
REFER request actively.
If set to “Disabled“, the phone will send error warning and stop dialing.
If set to “Enabled/Force Auth“, the phone will dial the number after sending authentication. If the
authentication fails, it will stop dialing.
If set to “Enabled“, the phone will dial all numbers carried by SIP REFER.
Accept Incoming SIP from
Proxy Only
When set to “Yes”, the SIP address of the Request URL in the incoming SIP message will be checked.
If it does not match the SIP server address of the account, the call will be rejected. The default setting
is “No”.
Check SIP User ID for
Incoming INVITE
If set to “Yes”, SIP User ID will be checked in the Request URI of the incoming INVITE. If it does
not match the phone’s SIP User ID, the call will be rejected. The default setting is “No”.
Allow SIP Reset
Allow SIP Notification message to perform factory reset.
The default setting is “No”.
Authenticate Incoming INVITE
If set to “Yes”, the phone will challenge the incoming INVITE for authentication with SIP 401
Unauthorized response.
The default setting is “No”.
MOH ( Music on Hold )
On Hold Reminder Tone Configures to play reminder tone when the call is on hold.
Music On Hold URI Music On Hold URI to call when a call is on hold if server supports it.
Special Feature Specifies the server type for special requirements.
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