User manual

AT-620 User Manual
ATCOM TECHNOLOGY CO., LIMITED
take SIP server domain as the domain realm.
9 Enable Register: Enable or disable registration
Advanced SIP setting
9 Register Expire Time: register expire time, default is 600 seconds. AT-620
will auto configure this expire time to the server recommended setting if it
is different from the SIP server.
9 Auto Detect Server Interval: Set examining interval of the server, default is
60 seconds
9 User Agent: Set the user agent if have, the default is VoIP Phone 1.0
9 Signal Key: Signal encryption Key:
9 Media Key: voice stream encryption Key
9 Local Port: Local SIP signal port，default as 5060
9 Hotline Number: Set hot line number of each line
9 Enable Conference Num: conference ID
9 Auto Detect Server: Enable/Disable keeps NAT of SIP alive. If some server
refuse to register with too short interval time, and has no packets sending to
device in private network to keep NAT alive, user could set this function ON.
It need set the keep alive interval time less than the NAT server’s.
9 Enable Keep Authentication: Enable/Disable Keep Authentication System
will take the last authentication field which is passed the authentication by
server to the request packet. It will decrease the server’s repeat
authorization work, if it is enable.
9 Enable Via rport: Enable/Disable system to support RFC3581. Via rport is
special way to realize SIP NAT.