User manual

MyPBX-SOHO User Manual
www.yeastar.com Page 39
Figure 3-31
3.6.3 SIP Settings
1) General
·UDP Port
UDP Port to bind to, SIP standard port is 5060.
·RTP Port Start
RTP Port start with
·RTP Port End
RTP Port end with
·DTMF Mode
Set default dtmf mode for sending DTMF, default: rfc2833
·Max Registration/Subscription Time
Maximum duration (in seconds) of incoming registration/subscriptions we allow.
Default 3600 seconds.
·Min Registration/Subscription Time
Minimum duration (in seconds) of registrations/subscriptions. Default 60
seconds
·Default Incoming/Outgoing Registration Time
Default duration (in seconds) of incoming/outoing registration
2) NAT
·Extern IP
Address that we're going to put in outbound SIP messages if we're behind a NAT
·Extern Host
Alternatively you can specify an external host, and MyPBX will perform DNS
queries periodically. Not recommended for production environments! Use
external instead.
·Extern Refresh
How often to refresh extern host if used. You may specify a local network in the