Microsoft states that Teams media traffic is already encrypted, so passing it through a proxy server does not make it more secure, and proxies can add latency and packet loss.

Checked 2026-10-14

Vendor
Microsoft
Product
Microsoft Teams
Subsystem
media
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-10-14
Checked
2026-10-14

Sources

Cite this note

APA

WarmTransfer. (2026, October 14). Web proxies and TLS inspection that break UC clients: source note tls-inspection-uc-clients-teams-media-already-encrypted. WarmTransfer. https://warmtransfer.net/knowledge/claims/tls-inspection-uc-clients-teams-media-already-encrypted

BibTeX

@misc{warmtransfer-claim-tls-inspection-uc-clients-teams-media-already-encrypted,
  title  = {Web proxies and TLS inspection that break UC clients: source note tls-inspection-uc-clients-teams-media-already-encrypted},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/tls-inspection-uc-clients-teams-media-already-encrypted},
  note   = {Source note tls-inspection-uc-clients-teams-media-already-encrypted, checked 2026-10-14}
}

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