"TRANSPORT": "Set the default transports in order of preference",
"HOST": "How to find the client - IP or host name. If you want the phone to register itself, use the keyword dynamic instead of Host IP",
"NAT": "Changes the behaviour of Asterisk for clients behind a firewall. If any of the comma-separated options is 'no', Asterisk will ignore other settings and set nat=no",
- "SIPEXPIRES": "Default: 160",
+ "SIPEXPIRES": "Default: 120",
"SIPPORT": "Default: 5060",
"TYPE": "Determines the SIP role within asterisk. User: used to authenticate incoming - Peer: for outgoing calls - Friend: covers both characteristics of the above",
"CHATCAPACITY": "Maximum number of concurrent channel interactions per agent (0=unlimited)",