Crystal Interactive Alternatives

Turn your phone into a Walkie Talkie. Don't waste time on phone calls and voicemails.

Investis helps companies to use digital channels to increase revenue, enhance employee engagement and influence corporate audiences.

VoIPstudio 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.

Try for free paid Free Trial $4.99 / Monthly (User)

NextPlane offers cloud-based, scalable unified communications federation service for the enterprise.

Cloud services for hotels, hostels and co-workings

PanTerra provides cloud-based unified communication solutions for small and medium-sized enterprises.

WebRTC is a free, open project that enables web browsers with Real-Time Communications (RTC) capabilities via simple JavaScript APIs. The WebRTC components have been optimized to best serve this purpose.

Open Source

Chat interoperability-as-a-service

Calix is a communications equipment supplier focused on access solutions for delivery of broadband services.

Stratics Networks is an all-in-one platform for ringless voicemail drops, bulk SMS-DROPS, voice broadcasting and IVR surveys.

SightCall offers comprehensive real-time video APIs and Mobile SDKs that makes it simple to embed...

Smart Communications enables companies to create, manage and deliver personalized communications to its customers and partners.

Duuzra is a content delivery platform which allows the user to easily create and transfer material for use in a variety of applications including sales, marketing and event management.

Conference room booking system