AdminGuide:BasicConcepts:Outbound lines:Gateway

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The following table lists the configurable parameters for a gateway.

Parameter	Description	Value
-
Enabled	Lets you disable a gateway without losing its configuration.	On / Off
Name	Mnemonic name assigned to the gateway.	Alphanumeric
SIP settings
Identifier	Gateway identifier.	Alphanumeric
Server IP address	The address or hostname of the gateway.	Hostname / IP address
Server port	The port used by the gateway. This can be omitted if the hostname is specified, as KalliopePBX will automatically acquire the port with an SRV query. If specified anyway, KalliopePBX will use it regardless of the SRV query.	Numeric
Enable inbound registration		Yes / No
Do not request authentication for calls from this peer		Yes / No
Transport settings
Transport type	Lets you choose between SIP with UDP/TCP/TLS transport or SIP with WebSocket/Secure WebSocket transport for this domain.	SIP / WebRTC
Preferred transport	Drop-down menu that lets you choose the preferred transport among those enabled. Selecting a disabled transport will automatically enable it.	UDP / TCP / TLS / WS / WSS
Enable UDP transport	Enable unencrypted UDP transport. Only available if "Transport type" is set to SIP.	Yes / No
Enable Web RTC transport	Enable Web RTC transport protocol.	Yes / No
Advanced settings
Simultaneous call limit	Number of simultaneous calls allowed.	Numeric
DTMF mode	Choose how DTMF tones are sent to this gateway, among the modes provided (RFC 2833, SIP Info, in audio). By default, this will be set to the predefined system mode.	RFC 2833 / SIP Info / In audio
COLP sending mode		System default / Disabled / Remote-Part-ID / P-Asserted-Identity
COLP acceptance mode		System default / Disabled / Enabled