If you are reciving '408 Error' push notification messages from our servers you may wish to whitelist the below IP addresses in your PBX firewall. For example fail2ban software runnning on your Asterisk servers may 'jail' our Push server addresses.

Australia

3.105.44.36

Brazil

18.229.78.180

Germany

3.76.0.170

Japan

18.183.167.205

South Africa

13.244.125.0

UK1

35.176.110.61

UK2

35.178.12.139

US East

35.172.169.59

US West

52.35.181.216