Select the special type of server which is encrypted,
or has some unique requirements or call flows.
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.
Set sip port of each line
Set Anonymous call out safely; Support
RFC3323and RFC3325;
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.
Set to use automatically TCP protocol to guarantee
usability of transport as message is above 1300 byte
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 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 by selecting it, it is contained in
the invite sip message, in order to be compatible
with server
Set click to Talk (need practical software support).
Set transport protocols, TCP or UDP or TLS;
Phone use vpn ip to communicate
When the type of DND feature is line, enable the
DND feature for a line
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
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