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