Setting instructions 3CX

Sip Trunk settings for 3CX

Click on “Sip Trunks” on the main menu

Click on “+ Ad Sip Trunk” The popup “Ad SIP Trunk/VoIP Provider appears

Select from the dropdown menu “Select Country” the “Generic” Entry

Select from the dropdown menu “Select Provider in your Country” the “Generic SIP Trunk” or “Generic VoIP Provider” Entry

Attention Keep in mind if you select “Generic SIP Trunk” it must be Register/Account based in Authentication Type section

On the tab General

Section Trunk Details

Enter a Name for your Trunk

Enter your Register server Like “sip.domain.com”

Uncheck the Auto Discovery cheek box, and enter the sip port 5060 or 5070

Leave the Outbound Proxy Blank

Enter you voice channel amount default 2 for each Customer Account.

Section Authentication

On Authentication Type Select Register/Account based

On Authentication ID Enter your SIP Device

On Authentication Password Enter your SIP Device Password

Section Route calls to

Select your call routing if you have only 1 DID for this Trunk assigned

On the DIDs tab

Section DIDs

If you have more then 1 DIDs for this Trunk add it here, then you can Manage the Routing from the “Inbound Rules” Menu

On the tab Caller ID

Section Default caller ID

Enter your Outbound caller ID

On the tab Options

On the sections Call options and Advanced Leave the Default values

On the section Codec Priority

Delete the G.711 U-law or PCMU, and add any other Codec you wish.

On the tab Inbound Parameters

Leave the Default values

On the tab Outbound Parameters

On the SIP Field “From: User Part” select “AuthID authentication”