Whistle Phone
Whistle Phone is an app for calling or texting your family and friends for free over Wifi or your...
Whistle Phone Alternatives & Competitors
The best Whistle Phone alternatives based on verified products, community votes, reviews and other factors.
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/skype-alternativesStay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.
Key Skype features:
Cross-platform availability Integration with Microsoft services Free video and voice calls Screen sharing
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/wire-alternativesPrivate & Secure Messenger.
Key Wire features:
End-to-End Encryption Cross-Platform Support Open Source Rich Media Support
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Try for freeVoIPstudio is an award-winning VoIP system that offers businesses of all sizes a scalable communication solution. It’s inexpensive, easy-to-use, offers a full suite of PBX features, and is fully integrated for CRM.
Key VoIPstudio features:
Call Recording Call Forward Call Analytics and Reporting Call Conferencing
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/microsip-alternativesMicroSIP is a free portable SIP softphone for Windows based on PJSIP stack.
Key MicroSIP features:
Lightweight Open Source High-Quality Audio Portable
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/yakyak-alternativesDesktop client for Google Hangouts.
Key YakYak features:
Open Source Cross-Platform Google Hangouts Support User Interface
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/telephone-alternativesTelephone is a VoIP program which allows you to make phone calls over the internet.
Key Telephone features:
Ease of Use Integration Sound Quality Lightweight
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/silent-phone-alternativesSilent Circle is a secure communications firm offering enterprise communications solutions including software, devices, and services.
Key Silent Phone features:
End-to-End Encryption Cross-Platform Compatibility No Metadata Storage Secure File Transfers
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/phoner-alternativesSoftphone for VoIP, CAPI und TAPI.
Key Phoner features:
Comprehensive Features Free Software Windows Compatibility Variety of Telephony Protocols
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