1. Acrobits & Cloud Softphone FAQ
  2. Cloud Softphone (Business Solution) FAQ

What IPs Do We Need To Allow On Our PBX Firewall For The Push Notification Service To Work On Cloud Softphone?

For a detailed explanation of this, please check out: all.sipis.acrobits.cz

The following IP addresses are supported:

Name:    all.sipis.acrobits.cz
Address: 107.170.65.67
Name:    all.sipis.acrobits.cz
Address: 107.170.123.70
Name:    all.sipis.acrobits.cz
Address: 107.170.151.176
Name:    all.sipis.acrobits.cz
Address: 159.65.186.176
Name:    all.sipis.acrobits.cz
Address: 159.65.251.173
Name:    all.sipis.acrobits.cz
Address: 159.65.252.186
Name:    all.sipis.acrobits.cz
Address: 159.65.253.49
Name:    all.sipis.acrobits.cz
Address: 162.243.35.55
Name:    all.sipis.acrobits.cz
Address: 162.243.66.221
Name:    all.sipis.acrobits.cz
Address: 162.243.226.67
Name:    all.sipis.acrobits.cz
Address: 162.243.226.164
Name:    all.sipis.acrobits.cz
Address: 165.227.184.188
Name:    all.sipis.acrobits.cz
Address: 167.99.48.91
Name:    all.sipis.acrobits.cz
Address: 167.99.119.203
Name:    all.sipis.acrobits.cz
Address: 167.99.119.244
Name:    all.sipis.acrobits.cz
Address: 192.241.179.113

The device needs to connect to these IPs on these ports.
  • 443/tcp
  • 4998/udp
  • 4998/tcp
  • 24998/tcp
And these IPs also need to be able to communicate with the SIP server over whatever port is used for SIP traffic (typically 5060 or 5061 for TLS).