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Direct Routing SIP signaling FQDNs
Hi, https://docs.microsoft.com/en-us/microsoftteams/direct-routing-plan#sip-signaling-fqdns The above document has been updated recently and it states The FQDNs – sip.pstnhub.microsoft.com,...
- You may want to check a subnet calculator
52.112.0.0/14 contains 52.112.0.0 - 52.115.255.255
It includes the 52.114.x.x range.
See here
Azure direct routing infrastructure requirements - Azure Communication Services | Microsoft Docs
The FQDNs – sip.pstnhub.microsoft.com, sip2.pstnhub.microsoft.com, and sip3.pstnhub.microsoft.com – will be resolved to one of the following IP addresses:
52.114.148.052.114.132.4652.114.75.2452.114.76.7652.114.7.2452.114.14.7052.114.16.7452.114.20.29
Hope that answers your question 😄
Best, Chris