Sip Settings/Nat; Table 61: Sip Settings/Nat - Grandstream Networks UCM6510 IP PBX User Manual

TLS Cert
TLS CA Cert
TLS CA List

SIP SETTINGS/NAT

External IP Address
External Host
External Refresh
External TCP Port
External TLS Port
Local Network Address
Firmware Version 1.0.0.25
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Note:
The size of the uploaded ca file must be under 2MB.
This is the Certificate file (*.pem format only) used for TLS connections. It
contains private key for client and signed certificate for the server. This
file will be renamed as "TLS.pem" automatically.
Note:
The size of the uploaded certificate file must be under 2MB.
This file must be named with the CA subject name hash value. It contains
CA's (Certificate Authority) public key, which is used to verify the
accessed servers.
Note:
The size of the uploaded CA certificate file must be under 2MB.
Display a list of files under the CA Cert directory.

Table 61: SIP Settings/NAT

Configure a static address and port (optional) that will be used in
outbound SIP messages if the UCM6510 is behind NAT. If it's a
hostname, it will only be looked up once.
Specify an external host name, which is similar to External Address
except the host name will be looked up periodically based on the
"External Refresh" interval.
Configure the refresh interval for the external host (if used) The default
setting is 10.
Configure the externally mapped TCP port when the UCM6510 is behind
a static NAT or PAT.
Configures the externally mapped TLS port when UCM6510 is behind a
static NAT or PAT.
Specify a list of network addresses that are considered inside of the NAT
network. Multiple entries are allowed. If not configured, the external IP
address will not be set correctly.
A sample configuration could be as follows:
192.168.0.0/16
UCM6510 IP PBX User Manual Page 186 of 229