Video/Voice Chat in Mozilla Firefox without any software: Firefox Hello

If you have the latest version of Firefox, you already have Hello. There’s no account or sign-in required and nothing extra to download. Just start a conversation, send your friend a link and ask them to click it.

Firefox Hello ,a new feature in latest Firefox allow you to make free video and voice calls directly from the browser without any extra software or plugin. All you need are a microphone, a webcam (optional), and the latest version of Firefox to call friends who are on WebRTC-supported browsers like Firefox, Chrome, or Opera.
Hello is super easy to use and your friends and family don’t even need Firefox to join your conversation. As long as they have a compatible browser, they’re good to go
According to Firefox ,Hello is built right into Firefox, you can rest easy knowing that your conversations and information will remain private and secure.
If you want to start using Hello then all you need is Firefox that helps you to connect using WebRTC Have a look of youtube demo

 Download Firefox to start your first conversation

Skype Video/Voice call in Microsoft Email Service Outlook.com

Here is some good news for Microsoft account user, Microsoft will integrate Skype into its Outlook.com email service. With this implementation they will be able to indulge in voice and video communication, in addition to the conventional text communication
This means that people can check their e-mails and talk about the contents simultaneously. In case you forgot, Outlook.com is the successor of the Hotmail.com email service

Microsoft  in a blog post that a preview version of Skype for Outlook.com would be rolled out starting right now. Although this version will first be available to Outlook.com users in the United Kingdom
Microsoft says that users of other countries would get the preview version soon. Indian users will have to wait to benefit from the service integration

According to Microsoft to enable Skype for Outlook.com email, one has to download a plug-in for their web-browser – recent versions of Chrome, Firefox and IE are supported.Thereafter, users can use their MS account to connect Skype to their Outlook.com Inbox.

To understand how really it will work please visit this video