Microsoft 365
vs
Callsign
Microsoft 365
Callsign
Company size
Number of employees
Microenterprises (1-10)
Small business (11-100)
Medium-sized enterprises (101-500)
Large companies (500+)
Microenterprises (1-10)
Small business (11-100)
Medium-sized enterprises (101-500)
Large companies (500+)
Platform
Cloud service
Mobile app
Cloud service
Mobile app
Price information
Free trial
Price model module
Subscription price model
Price model license
Free trial
Price model module
Subscription price model
Price model license
Microsoft 365
Microsoft Corporation
Callsign
Callsign Ltd
