Source note · QoS marking and queuing for voice
Microsoft recommends an initial Teams application and screen sharing client source port range of 50040-50059, marked DSCP 18 (AF21).
Checked 2026-09-24
- Vendor
- Microsoft
- Product
- Microsoft Teams
- Subsystem
- QoS
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Implement Quality of Service in Microsoft Teams — Microsoft · tier 2 current vendor documentation · Step 3, table 'Recommended initial port ranges'
Cite this note
APA
WarmTransfer. (2026, September 24). QoS marking and queuing for voice: source note qos-marking-teams-share-af21. WarmTransfer. https://warmtransfer.net/knowledge/claims/qos-marking-teams-share-af21
BibTeX
@misc{warmtransfer-claim-qos-marking-teams-share-af21,
title = {QoS marking and queuing for voice: source note qos-marking-teams-share-af21},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/qos-marking-teams-share-af21},
note = {Source note qos-marking-teams-share-af21, checked 2026-09-24}
}