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Binding
Period
STUN
blinding
period
–
STUN
packets
are
sent
at
this
interval
to
keep
the
NAT
mapping
active.
SIP
Waiting
Time
Waiting
time
for
SIP.
This
will
vary
depending
on
the
network.
TLS
Certification
File
Upload
or
delete
the
TLS
certification
file
used
for
encrypted
SIP
transmission.
Note:
the
SIP
STUN
is
used
to
achieve
the
SIP
penetration
of
NAT,
is
the
realization
of
a
service,
when
the
equipment
configuration
of
the
STUN
server
IP
and
port
(usually
the
default
is
3478),
and
select
the
Use
Stun
SIP
server,
the
use
of
NAT
equipment
to
achieve
penetration.
C)
Dial
Peer
Configure
the
Dial
Peer
to
make
the
device
call
more
flexible.
Import
Dial
peer
Table
Field
Name
Explanation
Select
File
Select
an
existing
dialing
rule
file.
The
file
type
must
be
a
.CSV
Add
Dial
Peer
Number
In
order
to
add
an
outgoing
call
number,
the
outgoing
call
number
can
be
divided
into
two
types:
one
is
the
exact
match,
and
after
the
exact
match,
if
the
number
is
exactly
the
same
as
the
user
dialing
the
called
number,
the
device
will
use
the
IP
address
of
this
number
mapping
or
(This
is
the
area
code
prefix
function
of
the
PSTN).
If
the
number
matches
the
N
‐
bit
(prefix
number
length)
of
the
called
number,
the
device
uses
the
IP
address
or
configuration
mapped
to
this
number.
Make
a
call.
Configuration
prefix
matching
needs
to
be
followed
by
a
prefix
number
to
match
the
exact
match
number;
the
longest
support
of
30
bits;
also
supports
the
use
of
x
format
and
range
of
numbers.
