Overview 

This article covers the steps to connect Kerio Operator to OrbTalk using a SIP trunk.

Prerequisites

Before starting this procedure, ensure to have:

• Your telephone number.
• The username and password of the SIP account.
• The SIP Domain.
• If you have a firewall, make sure the SIP (UDP 5060 – 5090) and RTP (UDP 6000 – 65535) ports are open and properly routed to Kerio Operator. Kerio Operator requires that ports UDP 10000 - 19999 internally are open.

Step-By-Step Guide

1. Log in to the administration interface of your Kerio Operator and navigate to the Call Routing screen.
2. Click Add a SIP Interface.
   
   
3. Enter a description for the interface name (e.g. OrbTalk).
   • Choose the option New provider and enter your telephone number (e.g. 0550935405).
4. Click Next.
5. Choose the extension to receive incoming calls and enter the prefix that will be used to dial out.
6. Click Next.
7. Enter the SIP registrar/proxy hostname.
8. Enter 5060 in the Port Number.
9. Enter your OrbTalk username as the authentication name and the SIP-Password as the password. Typically the username will follow the format of IPT-<country code and telephone number> (e.g. IPT-441223202130).
10. Ensure Must register with the Registrar is checked.
11. Enable User ID differs from the telephone number, this will also be the username.
12. Click Finish.

Confirmation

The OrbTalk connection is now configured. 

Related Articles

• Connecting to VoIP Service Providers.
• Configuring Additional SIP Interface Details.
• Working with Prefixes for Outgoing Calls.