Enable DNS SRV
Support DNS looking up with _sip. udp mode
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.
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 sever to decide which
BLF list will monitor
BLF List Number
Specify the BLF List Number
Respond 182 when
Call waiting
when there is a call in call waiting, the phone will
return 182 code
Server Type
Select the special type of server which is encrypted,
or has some unique requirements or call flows.
RFC Protocol Edition
Select SIP protocol version to adapt for the SIP
server which uses the same version as you select.
For example, if the server is CISCO5300, you need
to change to RFC2543; else phone may not cancel
call normally. System uses RFC3261 as default.
Local Port
Set sip port of each line
RFC Protocol Edition Set Anonymous call out safely; Support
RFC3323and RFC3325;
Keep Authentication
Enable/Disable Keep Authentication System will
take the last authentication field which is passed the
authentication by server to the request packet. It will
decrease the server’s repeat authorization work, if it
is enable.
Answer With A
Single Codec
Enable/Disable the function when call is incoming,
phone replies SIP message with just one codec
which phone supports.
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
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