![Microsoft shuts down sip-all.pstnhub.microsoft.com](https://www.anynode.de/wp-content/uploads/2021/12/News_PSTNHUB_EN-3.png)
Microsoft shuts down sip-all.pstnhub.microsoft.com
Microsoft will discontinue support for sip-all.pstnhub.microsoft.com on March 1. The DNS entry sip-all.pstnhub.microsoft.com currently still returns all IP addresses of the data centers used by Teams Direct Routing. Instead of sip-all.pstnhub.microsoft.com, two network ranges should now be used: 52.112.0.0/14 52.120.0.0/14 The sip-all.pstnhub.microsoft.com is used by anynode in all “Network Peer Continue reading