SIP Controls

communication sessions Voice and Video Calls over Internet Protocol (IP)

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Cloud PBX

communication sessions Voice and Video Calls over Internet Protocol (IP)

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Desktop SIP clients

For MAC and Windows, HD audio and video quality

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Rich Communication Suite

Complete clients and server ecosystem

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Easiest IP Phone System

Azkosia offers the worlds most lightweight and affordable PBX Software

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Increase Mobility & Productivity

Make & Receive Office Calls from Anywhere ! Available for Android & IPhone

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Mobile VoIP

Outstanding user experience design, for all platforms

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Complete VoIP Solutions.

Why Call-A-Cloud?


Call-A-Cloud is a communications service provider specializing in the area of VoIP (Voice over Internet Protocol) telephony systems.

Our Happy Customers

From the Blog


3CX Partners With Malaysian VoIP Provider CallaCloud to Offer a Complete VoIP Solution LONDON, UK and MALAYSIA, XX JANUARY 2016 – 3CX, developer of the next-generation software-based PBX 3CX Phone System and Malaysian-based SIP Trunk Provider, CallaCloud, announce the successful … Continue reading

VoIP Cloud for small business enterprises

Is Your Small Business Leveraging the VoIP Cloud Advantage Yet? The advent of cloud computing has made things easier for businesses both big and small. And this is one of the biggest reasons for the presence of cloud-based systems in … Continue reading

Major difference between a IP based PBX and cloud based PBX

The Rise of Cloud Based VoIP Cloud technology brings new hope for the development of disruptive technologies. It has already incubated new technologies like cloud computing and cloud-based VoIP services. There is no doubt that cloud-based services can help companies … Continue reading

Managed Services

  Managed Services We offer VoipSwitch’s Class 5 softswitch platform, along with all its components, both for rent and outright purchase. We also offer the same options for our white label softphone family, Join VoIP, (for desktops and mobiles). Our … Continue reading

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