Skype

"It's calling facility to mobile and landline facility helps you to call to any of the customer at ease. You can create groups for different department and call them accordingly. You can manage large group of members on skype."

"The most impressive thing about Skype is its reliability and user-friendly interface, which has made it a go-to platform for video and voice calling for millions of people around the world. Additionally, Skype's availability on multiple platforms and large user base make it easy to connect with people anywhere, anytime."

"It does video calling very well.You can share files easily over the platform.The chat / instant messaging feature was robust.It's very accessible. Users on many platforms can use it.It is reliable. I have not had issues with uptime or crashing."

"Its notification icon should not be on the top. Its latest upgrade has changed this feature which I personally dislike this feature. It hangs sometimes. Skype mobile takes a lot of time to load."

"Skype's interface can be improved for better usability and accessibility. Additionally, features such as background noise cancellation and virtual backgrounds could be added to enhance the user experience."

"Chat history gets deleted after a certain point so if keeping years long records is something that you are looking to do consider saving chunks off from time to time."