• Use any services from the provider on your LAN 
• Use multiple SIP clients on your broadband connection 
• The Internet Gate is SIP transparent by default

What are the steps to get there?

The Internet Gate is SIP transparent by default.  (In the GUI you'll find ). Just connect your SIP client behind the Internet Gate and restart it. [Learn more] NOTE: Turn off any tricks in the clients that may try to open NATs and firewalls, such as STUN and uPnP. The Internet Gate is already SIP transparent in a proper and secure way.

Related links
Find SIP service providers Free calls to open SIP community Added value with the SIP Switch Use my SIP account for multiple users Use my old phone or fax with IP telephony