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What IP subnet to whitelist SIP trunk

Goal

Give an overview of the different IP subnets to whitelist in customer firewall/PBX environments

Product

  • Voice

Steps

Whenever there is a need to whitelist subnets instead of individual IP endpoints within customer firewall and/or PBX environments please use the information provided from the table below.

Platform

Subnet

Outbound02

31.169.63.80/28

Outbound10

31.169.63.0/28

Outbound20

31.169.62.160/27

Inbound10

188.94.184.96/28

Inbound20

188.94.185.96/28

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