Support for Globally Routable User-Agent URI (GRUU)
Puts quotation marks around the display-name in SIP messages.
For servers that require this.
Sets user=phone in SIP messages. For compatibility with servers
that require this.
Set click to Talk (needs support from server).
Respond 182 when Call
waiting
Enable phone responds 182 instead of 180 in some SIP server
envrionment
Enable SIP use VPN for every line individually, not all of them
Enable DND for SIP line individually
Enable Strict Branch - The value of the branch must be after
“z9hG4bK” in the VIA field of the INVITE message received, or
the phone will not respond to the INVITE.
Note: This will affect all lines
Enable SIP Group Backup. This will affect all lines
Registration Failure Retry
Time
Registration failure retry time – If registration fails, the phone will
attempt to register again after registration failure retry time.
This will affect all lines
Shows registration status. Will show “Registered” if registered