DingTalk, an App by Alibaba. Free communication and collaboration platform used by millions of enterprises or organization.
• Improving communication efficiency with read/unread message status
• Easy to send and receive common type of office files in chatting, and storage solution for personal/organization files
• VoIP and Video conference call make job interview and work report more easily
• DING would make sure message delivered to selected people by phone call or SMS
• Clear display of org/team structure, search anyone at anytime and anywhere
• Secured chat will be encrypted, messages will be deleted in 30 seconds after they are read
• Ding Mail integrate into chatting, checking the read/unread status, now you can also DING the unread mails.
Learn more at: https://www.dingtalk.com