Nextiva Cospace
Available as part of the Nextiva Team Collaboration Suite, the Nextiva Cospace mobile app provides chat, video and voice communication, screen sharing and webinar capabilities--as well as file sharing, task management and task sharing.
RingCentral App
The mobile RingCentral App covers messaging, both one-on-one and with teams); file sharing and task management; HD video meetings, meeting recording and screen sharing; and phone calls using your business phone number. The RingCentral App also works with more than 180 out-of-the-box integrations with other apps.
Slack
The Slack mobile app offers one-on-one messaging and group chat with your team, including the ability to organize conversations by projects or topics. Other key features include calling, sharing and editing of documents, customized notifications and integration with third-party apps including Salesforce, Google Drive and Dropbox.