Apps with 'Phone calls' feature

Viber is a mobile application that lets you make free phone calls and send text messages to anyone who also has the application installed. .

MicroSIP is a free portable SIP softphone for Windows based on PJSIP stack.

Improve your calling experience and gain control over calls with features like spam protection, caller ID and call blocking.SPAM PROTECTION

Share files, folders, messages, links, notifications and clipboard. You can do much more with the PRO version.

MIGHTYCALL is the VoIP system designed for entrepreneurs and small business owners. With MightyCall small businesses can stay connected anywhere, as they are able to field calls on a range of devices, from cell phones to a desktop or desk phone.

Free HD conference calls up to 8 participants.
High definition voice, 3D immersive sound.

Virtual phone system for businesses with inbound and outbound calls, CRM integrations, virtual phone numbers, SMS and more.

Familio is helping families coordinate daily family life.

Grasshopper customers can now run their businesses from anywhere with the new Grasshopper iPhone app:* Make calls showing your Grasshopper caller ID

Simple & smart phone system designed for teams- Get numbers instantly wherever you need them. In 40 countries.

Hushed is a mobile app that lets you buy a phone number for privacy for short term or long term with an Encrypted Messenger.

Hosted PBX telephone service.

instant messaging, video chat and phone calls

sPortable assists you with running Skype™ in a portable way without needing to install it in Windows. It's packaged as a portable app so you can communicate on the go.

Telephone is a VoIP program which allows you to make phone calls over the internet.

Reliable uptime monitoring with voice calls and beautiful on-call scheduling. Configure everything in just 2 minutes.