AdminGuide:BasicConcepts:Outbound lines:VoIP Trunk
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For every VoIP domain, you can set up any combination of VoIP terminations and trunks.
The following table lists the configurable parameters for a trunk.
Parameter |
Description |
Value
|
|---|---|---|
-
| ||
| Enabled | Lets you disable a trunk without losing its configuration. | On / Off |
| Name | Mnemonic name assigned to the gateway. | Alphanumeric |
SIP settings
| ||
| VoIP domain | Select the hostname of the VoIP domain to which you wish to associate the trunk. | Hostname |
| Identifier | Trunk identifier. | Alphanumeric |
| Username | Username with which the trunk is accessed. | Alphanumeric |
| Secret | Alphanumeric | |
| Registration validity | Numeric | |
| Source domain (registration) | Alphanumeric | |
| Source domain | Alphanumeric | |
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 | |