Viber lets its users not only make VoIP-based calls around the globe but also share free messages and multimedia attachments. This is one of the most used apps of its kind, offering high quality of communication, even on a 3G connection.
Viber is a free service, available for Android and iOS mobile devices, along with Windows, Mac, and Linux desktop versions. Users pay only for dialing landline and mobile numbers, and the rates vary per country. The main reasons why businesses use this app are for attracting their target audience, marketing purposes, a high quality of communication, and account management.
Viber doesn't require any username and password registration. To make unlimited free voice and video calls, users only need their mobile phone number. The app is easy to install, easy to use, and it runs in the background of a smartphone if a user allows it.
About RingCentral
This service offers PBX features such as multiple extensions; Call control; Outlook, Salesforce, Google Docs, DropBox and Box integration; SMS; video conferencing and web conferencing; fax; auto-receptionist; call logs; and rule-based call routing and answering.
It is flexible, cloud-based VoIP PBX service packed with advanced features, and gives its users a fully featured phone system that integrates with several business applications (Gmail, Outlook, Salesforce, Zendesk, Desk.com) so they can make calls without leaving the program.
About 3CX
3CX covers all your business communication needs enabling employees to work productively while remote using voice apps and web conferencing. You can also easily set up remote business meetings without requiring apps and service customer requests via website live chat.
Easy to manage PBX built for teleworking
App Free Web/Video Conferencing
Stay open safely with Website Live Chat
Use office extensions anywhere with the Smartphone apps
Features
2-Factor Authentication
API
Chat
Contact Management
Contact Sharing
CRM Integration
Dashboard
Data Export
Data Import
Data Visualization
External Integrations
File Transfer
Multi-User
Notifications
Scheduling
Video
SMS
Call Recording
Call Tracking
Call Disposition
Softphone
Click-to-Dial
Report & Compliance
Hardware Integration
Mobile App
Automatic Call Distribution
Auto Dialer
Call Logging
Call Monitoring
Call Scripting
Interactive Voice Response
Audio Recording
Features
2-Factor Authentication
API
Chat
Contact Management
Contact Sharing
CRM Integration
Dashboard
Data Export
Data Import
Data Visualization
External Integrations
File Transfer
Multi-User
Notifications
Scheduling
Video
SMS
Call Recording
Call Tracking
Call Disposition
Softphone
Click-to-Dial
Report & Compliance
Hardware Integration
Mobile App
Automatic Call Distribution
Auto Dialer
Call Logging
Call Monitoring
Call Scripting
Interactive Voice Response
Audio Recording
Features
2-Factor Authentication
API
Chat
Contact Management
Contact Sharing
CRM Integration
Dashboard
Data Export
Data Import
Data Visualization
External Integrations
File Transfer
Multi-User
Notifications
Scheduling
Video
SMS
Call Recording
Call Tracking
Call Disposition
Softphone
Click-to-Dial
Report & Compliance
Hardware Integration
Mobile App
Automatic Call Distribution
Auto Dialer
Call Logging
Call Monitoring
Call Scripting
Interactive Voice Response
Audio Recording
Summary
HD Video Calls
Instant Messaging
International Calls
Group Chat
Instant Voice Message
News Feeds
Stickers
Public Chat
Service Messages
Viber Games
Summary
Available phone numbers: Freephone numbers; Local numbers; Non-geo numbers; International numbers.
Cloud PBX: Hosted PBX service; Auto-Receptionist; Multi-level IVR;User templates; Music on hold; Extensions; Dial-by-Name Directory; Call Monitoring.
Phone service and devices: VoIP service; Caller ID control; RingOut®; RingMe®; Desk phones; Conference phones; Analogue adapters; Desktop app.
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