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Ringtone
Ringback Tone at No Early Media
Account RingTone
Ignore Alert-Info header
Match Incoming Caller ID
Security Settings
Check Domain Certificates
Validate Certificate Chain
Validate Incoming SIP Messages
Omit charset=UTF-8 in MESSAGE
Allow Unsolicited REFER
Accept Incoming SIP from Proxy Only
Check SIP User ID for Incoming
INVITE
Play ringback tone when there is no receiving early media RTP packets. Disabled by Default
Allows users to configure the ringtone for the account. Users can choose from different
ringtones from the dropdown menu.
Note: User can also choose silent ring tone or doorbell.
Configures to play default ringtone by ignoring Alert-Info header.
The default setting is "No".
Specifies matching rules with number, pattern, or Alert Info text (up to 10 matching rules).
When the incoming caller ID or Alert Info matches the rule, the phone will ring with selected
distinctive 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.
Account x �� Advanced Settings
Configures whether the domain certificates will be checked when TLS/TCP is used for SIP
Transport. The default setting is "No".
Validate certification chain when TCP/TLS is configured.
The default setting is "No".
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".
Omit charset=UTF-8 in MESSAGE content-type
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.
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".
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".
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