UCM6200 Series User Manual 
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. 
SIP Settings/NAT 
Table 94: SIP Settings/NAT 
Configure a static IP address and port (optional) used in outbound SIP messages 
if the UCM6200 is behind NAT. If it is a host name, it will only be looked up once.   
If enabled, the SDP connection will use the IP address resolved from the external 
host. 
Configure the externally mapped TCP port when the UCM6200 is behind a static 
NAT or PAT. 
Configures the externally  mapped TLS  port when  UCM6200  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 
SIP Settings/TOS 
Table 95: SIP Settings/ToS 
Configure the Type of Service for SIP packets. The default setting is None. 
Configure the Type of Service for RTP audio packets. The default setting is None. 
Configure the Type of Service for RTP video packets. The default setting is None. 
Default 
Incoming/Outgoing 
Registration Time 
Configure the default duration (in seconds) of incoming/outgoing registration. 
The default setting is 120. 
Configure  the  maximum  duration  (in  seconds)  of  incoming  registration  and