Alternatives to Telefonica Open Cloud

Collaboration services provider (now NTT) offering audio, web, video conferencing, and UCaaS.

Atos Unify

Unified Communications

Enterprise communications suite from Atos offering unified messaging, telephony and collaboration via OpenScape products.

Crexendo

Unified Communications

Cloud communications provider delivering VIP, contact center, and collaboration services powered by the NetSapiens platform.

Intrepid Networks

Unified Communications

Situational awareness and collaboration platform for law enforcement, fire, and EMS teams.

RingCentral

Unified Communications

RingCentral is the cloud communications platform that unifies business phone, SMS, team messaging, video meetings, and contact center in one app.

NEC UNIVERGE BLUE

Unified Communications as a Service

NEC cloud communications suite providing UCaaS and CCaaS services for SMB and enterprise customers.

Alcatel-Lucent Enterprise Rainbow

Unified Communications

Cloud communications platform offering messaging, voice, and video with CPaaS capabilities.

Ribbon SBC

Unified Communications

Session border controllers for secure voice, video, and unified communications across enterprise networks.

Jami

Unified Communications

Peer-to-peer universal communications platform from Savoir-faire Linux with end-to-end encrypted video calls and messaging.

Ribbon Communications

Unified Communications

Network infrastructure software for telecom operators with real-time communications, SBC, and analytics.