VoIP IP Addresses for configuring firewalls
The intent of this list is to provide the raw information needed for configuring advanced firewalls, usually in a business or complex network setup. This information is usually not required for residential products.
IP Address Ranges
For continued operation of your voice services, all of the IP addresses below must be added to your firewall configuration.
iiNet utilizes automatic failover to the next available cluster during times maintenance and faults, therefore your equipment will need to be able to connect all the clusters at any time to maintain reliability.
| Service/Locations | IP Subnets (CIDR) | IP Network Range |
| National Services (Session Balancing) |
203.173.44.0/24 |
|
| Brisbane Network (Signalling & Media) |
203.55.228.192/26 |
|
| Sydney SBC Cluster (Signalling & Media) |
203.55.231.192/26 |
|
| Melbourne SBC Cluster (Signalling & Media) |
203.55.229.192/26 |
|
| Adelaide SBC Cluster (Signalling & Media) |
203.2.134.0/25 |
|
| Perth SBC Cluster (Signalling & Media) |
203.59.49.0/26 |
|
| Configuration and Firmware (Business Voice services) |
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DNS Servers (for iiNet Internet Customers) |
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NTP Server (Time Sync) (for iiNet Internet Customers) |
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Note: The Config/Firmware download servers may automatically redirect customer equipment to the vendor website for firmware download.
Protocols and Ports
|
Protocol Name |
UDP/TCP | Ports used by Protocol |
| SIP (VoIP Signalling) | Both UDP & TCP |
5060, 5061 & 5070 |
| RTP (VoIP Audio/Video) | UDP Only | 15000-49999 |
| DNS | Both UDP & TCP | 53 |
| NTP (Time Sync) | UDP Only | 123 |
| Configuration and Firmware (Business Voice services) | TCP Only | 80 & 443 |
Note: This information is subject to change without notice, however we will endeavor to keep this page up-to-date.
Example configuration
This example can be integrated into your existing firewall configuration if suitable. Ensure you test these comprehensively prior to implementation, and consult with your IT Security staff/consultants to assist with integration if you are unsure of how to use these, or the wider implications of their use.
Please note: iiNet does not recommend, endorse, or support the configuration example.