What is the Required Firewall Setup for Digium SIP Trunking on a Customer Network

Digium SIP Trunking service customers need to open the following port groups on their firewall in order for traffic from their SIP trunk to work correctly:

• UDP 5060

• UDP 10000-20000

Both of these port groups need access to and from the following IP address:

• sip.digiumcloud.net

For more information, contact:

http://www.digium.com/en/support