Gateway

Introduce

Gateway is a logical unit for outbound interconnection, that needed to defined in advance. The gateway control the signaling, and policy and maintain the connection between LibreSBC and other sip entities.

Setting

Consider any setting that you want to add, following is the configuration parameters:

Parameter	Category	Description
name	string required	The name of gateway (unique)
desc	string	Description
username	string	auth username
realm	string	auth realm, use gateway name as default
from_user	string	username in from header, use username as default
from_domain	string	domain in from header, use realm as default
password	string	auth password
extension	string	extension for inbound calls, use username as default
proxy	string required	farend proxy ip address or domain, use realm as default
port	int	farend destination port
transport	enum	farend transport protocol, udp tcp tls
do_register	bool	register to farend endpoint, false mean no register
register_proxy	string	proxy address to register, use proxy as default
register_transport	enum	transport to use for register, udp tcp tls
expire_seconds	int	register expire interval in second, use 600s as default
retry_seconds	int	interval in second before a retry when a failure or timeout occurs
caller_id_in_from	bool	use the callerid of an inbound call in the from field on outbound calls via this gateway
cid_type	enum	callerid header mechanism: rpid, pid, none
contact_params	string	extra sip params to send in the contact
extension_in_contact	bool	put the extension in the contact
ping	int	the period (second) to send SIP OPTION
ping_max	int	number of success pings to declaring a gateway up
ping_min	int	number of failure pings to declaring a gateway down

Note: In most of case you don't need to use all of these above params. Try to keep the thing simple.