MS Teams Network requirements ~

DNS record Service Protocol Priority Weight Port Target SRV sipfederationtls TCP 100 1 5061 sipfed.online.lync.com

Bandwidth requirements bitrate KB/s up/down 

Modality	Minimum	Recommended	Best performance
Audio - One-to-one	10/10	58/58	76/76
Audio - Meetings	10/10	58/58	76/76
Video - One-to-one	150/150	1,500/1,500	4,000/4,000
Video - Meetings	150/200	2,500/4,000	4,000/4,000
Screen sharing - One-to-one	200/200	1,500/1,500	4,000/4,000
Screen sharing - Meetings	250/250	2,500/2,500	4,000/4,000
Together Mode - One-to-one	N/A	N/A	N/A
Together Mode – Meetings	1,000/1,500	1,500/2,500	2,500/4,000