Auto TCP
Set to use automatically TCP protocol to guarantee
usability of transport as message is above 1300
byte
Enable Strict Proxy
Support the special SIP server-when phone receives
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 (need practical 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.
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.
