the packets sent from server,phone will use the
source IP address, not the address in via field.
Enable GRUU
Set to support GRUU
Enable Display name
Quote
Set to make quotation mark to display name as the
phone sends out signal, in order to be compatible
with server.
Enable user=phone
Enable user=phone by selecting it, it is contained in
the invite sip message, in order to be compatible
with server.
Enable Missed Call
Log
Enable the missed call log by it, the phone will save
the missed call log into the call history record and
display the missed calls on the idle screen, or won’t
save the missed call log into the call history record
and display the missed calls on the idle screen.
Click to talk
Set click to Talk (needpractical software support).
Enable BLF List
Enable BLF List by selecting it, BLF list is a
function which can monitor the group status, it is
not one to one monitoring, but the information
feedback from the server to decide which BLF list
will monitor.
BLF List Number
Specify the BLF List Number.
Use VPN
Enable SIP use VPN for every line individually, not
all of them
Click to Talk
Set click to Talk (needs support from server).
SIP Global Settings
Strict Branch
Enable the Strict Branch, the value of the branch
must be in the beginning of z9hG4k in via field of
the invite sip message received, or the phone won’t
response to the invite sip message.
Notice: the deployment will become effective in all
sip lines.
Enable Group
Enable Group by selecting it, then the phone enable
the sip group backup function.
Notice: the deployment will become effective in all
sip lines.
Registration Failure
Retry Time
Specify the registration failure retry time, if the
phone register failed, the phone will register again
after registration failure retry time.
Notice: the deployment will become effective in all
sip lines.