This document mainly describes the detailed steps of connecting the analog gateway with 3CX.

Follow the steps below to configure two-way calls between the phone and the gateway:

Outgoing call: from 3CX SIP extension 300 to the gateway through relay 10000;

Incoming call: call from an outside line to the gateway, through SIP trunk 10000 to 3CX, and then send the call to the 300 SIP extension through 3CX;

In the following steps, the parameters below are mandatory configurations, and other parameters can be configured according to your needs.

Step1. Create a SIP Trunk in 3CX web

Please select “SIP Trunks—> Add Gateway” to create a SIP trunk:

After that, please click the next button to the following page :

parameter name	value
main trunk No	10000
trunk name	10000
Number of SIM Calls	1
Type of Authentication	register account based
Authentication Password	12345678

Step 2. Create extension 300

parameter name	value
extension	300
ID	300
password	123456

Step 3. Dial rules in 3CX web

Click Inbound Rules—>Add DID to set inbound rules

Inbound routing rules:

parameter name	value
name	inbound
DID	10000
Destination for calls during office hours	Extension 300

Click Outbound Rules—>Add Outbound to set outbound rules

parameter name	value
Rule name	outbound
route	10000

Step 4. Set Network Parameters in Web

Log in to the network in the browser, and click “Network -> LAN Settings” to set your network parameters. The figure below is an example for reference only.

Save your changes. Please type in your DNS server in “DNS Server Address”.

Step 5. Create a SIP Endpoint in Web

Please select “SIP—>SIP Endpoints—>Add New SIP Endpoint” to set SIP trunk. The following figure shows detail information about how to set it.

About other parameters in SIP, please set by your requirements for there is no need to set them in simple calls.

parameter name	value
name	10000
user name	10000
password	12345678
hostname or IP Address	172.16.2.81
port	5060

Step 6. Set Routing Rules in Web

Click “ROUTING—> Call Routing Rules—> New Call Routing Rule” to set outbound and inbound routing rules like the following:

Inbound routing rules:

Outbound routing rules:

Please save all your changes to make effect.

Step 7. Register a SIP extension by software

Taking advantage of SIP software such as Xlite, eyeBeam to register a SIP extension(300). After all above steps, you can try to make calls and send SMS.

Test call:
Incoming call test: Dial the number of port 1 on the gateway via your mobile to see if 300 will ring. If 300 rings, it means your configuration is successful; unless, it means there is something wrong with your configuration, please check it.
Outgoing call test: Dial your mobile number on 300 extension registered in a software phone. If your mobile rings, it means your configuration is ok; unless, please check your configuration.