UCM6200 Series User Manual 
SIP Settings/Session Timer 
 
Table 92: SIP Settings/Session Timer 
Select the session timer mode. The default setting is "Accept". 
The options are: 
  Originate 
Always request and run session timer. 
  Accept 
Run session timer only when requested by other UA.   
  Refuse 
Do not run session timer. 
Configure the maximum session refresh interval (in seconds). The default setting 
is 1800. 
Configure the minimum session refresh interval (in seconds). The default setting 
is 90. 
Select the session refresher to be UAC or UAS. The default setting is UAC. 
SIP Settings/TCP and TLS 
Table 93: SIP Settings/TCP and TLS 
Configure  to  allow  incoming TCP connections  with  the  UCM6200. The  default 
setting is "No". 
Configure the IP address for TCP server to bind to. 0.0.0.0 means binding to all 
interfaces. The port number is optional. If not specified, 5060 will be used. 
Configure  to  allow  incoming  TLS  connections  with  the  UCM6200.  The  default 
setting is "No". 
Configure the IP address for TLS server to bind to. 0.0.0.0 means binding to all 
interfaces. The port number is optional. If not specified, 5061 will be used. 
Note: 
The  IP  address  must  match  the  common  name  (hostname)  in  the  certificate. 
Please do not bind a TLS socket to multiple IP addresses. For details on how to 
construct a certificate for SIP, please refer to the following document: 
http://tools.ietf.org/html/draft-ietf-sip-domain-certs 
Select the TLS protocol for  outbound  client connections. The default setting  is 
TLSv1. 
If enabled, the TLS server's certificate won't be verified when acting as a client. 
The default setting is "Yes". 
This is the CA certificate if the TLS server being connected to requires self-signed 
certificate,  including  server's  public  key.  This  file  will  be  renamed  as  "TLS.ca" 
automatically.