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Networking Information

By default, Free Call will use FreeCallinc's Global Low Latency routing capability to determine which data center is closest to your user, establishing a connection through FreeCallinc's nearest point of presence. Global Low Latency uses latency-based DNS lookups to determine the nearest data center.

Prepare your communications infrastructure to make sure that your SIP infrastructure has connectivity to Free Call and vice versa.

IP Address Whitelist

To connect your SIP Infrastructure (IP-PBX, SBC, etc) to a Free Call Elastic SIP Trunk.
Whitelist all of the following Free Call's IP address ranges on your firewall for SIP signalling and RTP media traffic:

Signaling IPs Port 5060 (UDP/TCP), 5061 (TLS)

North America Virginia
54.172.60.0
54.172.60.1
54.172.60.2
54.172.60.3
North America Oregon
54.244.51.0
54.244.51.1
54.244.51.2
54.244.51.3
Europe Ireland
54.171.127.192
54.171.127.193
54.171.127.194
54.171.127.195
Asia Pacific Tokyo
54.65.63.192
54.65.63.193
54.65.63.194
54.65.63.195
Asia Pacific Singapore
54.169.127.128
54.169.127.129
54.169.127.130
54.169.127.131
Asia Pacific Sydney
54.252.254.64
54.252.254.65
54.252.254.66
54.252.254.67
South America Sao Paulo
177.71.206.192
177.71.206.193
177.71.206.194
177.71.206.195

Media IPs Port Range 10000 to 20000

North America Virginia
54.172.60.0/23
North America Oregon
54.244.51.0/24
Europe Ireland
54.171.127.192/26
Asia Pacific Tokyo
54.65.63.192/26
Asia Pacific Singapore
54.169.127.128/26
Asia Pacific Sydney
54.252.254.64/26
South America Sao Paulo
177.71.206.192/26

Beta

Products in Beta may occasionally fall short of speed or performance benchmarks, have gaps in functionality, and contain bugs.

APIs are stable and unlikely to change as the product moves from Beta to Generally Available (GA). We will do our best to minimize any changes and their impact on your applications. Products in Beta are not covered by Free Call's SLA's and are not recommended for production applications.

Please share any problems or issues you encounter with the Google Group linked in the API docs.

Thanks again for helping us build a better Free Call.

Developer Preview

You have been given special access to test new functionality.

There will likely be changes to the productís capabilities and APIs before it is publicly available in Beta. We are making the product better every day based on your feedback, but expect to find bugs and gaps in functionality. Products in Developer Preview are not covered by Free Call SLA's and should not be used in production applications.

Please report any product issues or feedback to the Google Group linked in the API docs.

Thanks again for helping us build a better Free Call.