WP820 Administration Guide
Version 1.0.1.15
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”.
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".
Configures whether to dial the number carried by Refer-to after received
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 send
authentication, if the authentication failed, then stop dialing.
• If set to "Enabled", the phone will dial up all numbers carried by SIP REFER.
The default is “Disabled”.
Only Accept SIP
Requests from
Known Servers
Answers the SIP request from saved servers when set to “Yes”, only the SIP
requests from saved servers will be accepted; and the SIP requests from the
unregistered server will be rejected.
The default setting is “No”.
Check SIP User ID
for Incoming INVITE
Configures the phone to check the SIP User ID in the Request URI of the SIP
INVITE message from the remote party. If it doesn't match the phone's SIP User
ID, the call will be rejected. The default setting is “No”.
Configures if allow SIP Notification message to perform factory reset.
The default setting is "No".
Authenticate
Incoming INVITE
Configures the phone to authenticate the SIP INVITE message from the remote
party. If set to "Yes", the phone will challenge the incoming INVITE for
authentication with SIP 401 Unauthorized response.
The default setting is "No".
SIP Realm Used for
Challenge INVITE &
NOTIFY
Configure this item to validate incoming INVITE, but you must enable authenticate
incoming INVITE first to make it take effect. You can verify the NOTIFY
information for the provision, including check- sync, resync and reboot, but only
when SIP NOTIFY authentication enabled first to make it take effect.
Upload Local MOH
Audio File
Loads the MOH (Music on Hold) file to the phone. Click on “Browse” button to
upload the music file from local PC. The MOH audio file has to be in .wav or .mp3
format.