Admin Password:   (purposely not displayed for security protection)
Layer 3 QoS:   (Diff-Serv or Precedence value)
Layer 2 QoS:   802.1Q/VLAN Tag     802.1p priority value (0-7)
No Key Entry Timeout:   (in seconds, default is 4 seconds)
NAT Traversal:   No   
  Yes, STUN server is: (URI or IP:port)
keep-alive interval:   (in seconds, default 20 seconds)
Use NAT IP:   (used in SIP/SDP message if specified)
TFTP Upgrade Server:   . . . (for remote software upgrade and configuration)
FXS Impedance:  
Caller ID Scheme:  
Onhook Voltage:  
Polarity Reversal:   No      Yes   (reverse polarity upon call establishment and termination)
NTP Server:   (URI or IP address)
WAN side http access:   No      Yes   (WAN side access to http server will be rejected if set to No)
Syslog Server:  
Syslog Level: