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Microsoft Teams vs SIP.US Comparison (2026)

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Zoom Workplace

4.6

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4.7

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4.5

Good recommendations?

Microsoft Teams

SIP.US

Overview

Cloud-based collaboration platform unifying chat, video meetings, calling, and file sharing for teams of all sizes.

SIP.US is a cloud-based VoIP solution, which helps businesses manage processes for providing SIP trunk services to analog/digital telephone adapters & IP-PBX systems. It operates on clients’ broadband internet connection and uses tier-1 network to set up business phones for routing dialer traffic.

Platforms supported

Web-based
iPhone app
Android app
Windows Phone app

Typical customers

Freelancers
Small businesses
Mid size businesses
Large enterprises

Customer support

Phone
Online
Knowledge base
Video tutorials

view more detailsview details

Platforms supported

Web-based
iPhone app
Android app
Windows Phone app

Typical customers

Freelancers
Small businesses
Mid size businesses
Large enterprises

Customer support

Phone
Online
Knowledge base
Video tutorials

view more detailsview details

Video & Screenshots

No videos yet

Pricing

Starting from

/user

Per month

Free trial available
Credit cardless trial
Free account
Subscription based

Starting from

14.95

Per month

Free trial available
Credit cardless trial
Free account
Subscription based

User reviews

4.5

11.1K

6.5K

3.5K

866

156

Value for money

Ease of use

Features

Customer support

77%

would recommend this app

4.7

Value for money

Ease of use

Features

Customer support

84%

would recommend this app

Pros

“The video conferencing functionality is reliable and includes useful features such as screen sharing, meeting recordings, live captions, and background effects.”

Ashley G.

HR Manager

“Its tight connection with Microsoft 365 makes collaboration feel natural — documents open instantly, multiple people can edit at once, and everything stays synced across Outlook, OneDrive, and SharePoint.”

Keely F.

Patient Care Coordinator

“The chat, video meeting, and file-sharing features work smoothly, and the integration with Word, Excel, PowerPoint, SharePoint, and other Microsoft tools saves a lot of time.”

Sven S.

Prokurist

Pros

“There was a complete guide on how to setup our Grandstream UCM PBX with SIP.US and SIP.US also provided a phone number with the service.”

Jason T.

Network Administrator

“They have redundancy options and the quality of the phone calls are just fantastic.”

Jason T.

Network Administrator

“Sometimes when I need help I have to go back and forth with support between SIP and our phone system provider.”

April M.

IT Admin

Cons

When I have set up Teams meetings via teams (instead of via Outlook) there is a glitch that occurs - the meeting reminder that I set automatically changes to “no reminder” after I create the meeting so meeting attendees do not receive a 15 reminder before the meeting starts.

Kari J.

Internal Auditor

“Teams can be hard to navigate around to find niche settings or features, including uploaded files - without a preview feature, or a decent filter, it can be easy to lose track of spreadsheets, documents, and images. When there is a lot of communication going on, it can get messy.”

Maria P.

Accessories Designer

“In some cases, too many clicks are required to get to what I need; for example, getting to chats and files. When you are also working in multiple teams it can be quite overwhelming with the notifications, and it would be nice to have more control to lend what is most important.”

Luis V.

Account Executive

Cons

“I tried calling the customer service number, guy male who answered stated he can't assist me with the setup of my account so far, I'm definitely dissatisfied”

RODNEY M.

CEO

“The lack of features and documentation were low points.”

parsana d.

Administrator

“The customer portal feels a little disorganized to me.”

Aaron D.

IT Director