External Firewall setup for use with TelecomsXChange : TelecomsXChange Support

External Firewall setup for use with TelecomsXChange Print

Modified on: Thu, 11 May, 2017 at 2:47 PM

Putting our origination PBX, or SIP equipment behind external firewall often makes sense to increase security and provide better protection against DDoS attacks, port scanning, etc. The following guidelines should be taken into consideration when configuring a firewall.

TelecomsXChange requires the following ports to be open for incoming connections from the public networks:

UDP destination port 5060 (SIP); IP: 174.136.44.213
UDP destination ports range 10,000 - 65,000 (RTP), IP: ANY

The following ports should be allowed to initiate connections to the public networks:

UDP source port 5061 (SIP outbound); SRC IP: 174.136.44.213
UDP source ports range 5065-5071 (SIP outbound); SRC IP: 174.136.44.213

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External Firewall setup for use with TelecomsXChange Print

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