Cloud Telephony!

TollFree and IVR are the cloud telephony services which help you to improve your performance and you can provide customer service from anywhere. Ge...

Go to

Cloud Telephony alternatives


Asterisk is free software that transforms a computer into a communication server. Asterisk lets you build applications like PBX, VoIP gateway, IVR ...

tags: low-level pbx sip telecom telephony
platform: Mac OS X Windows Linux


Twilio is a web-service API that lets you use your existing web languages and skills to build voice and SMS applications. We focus on building a si...

tags: api asterisk hosted-ivr hosted-pbx hosted-sms
platform: Online


XiVO is a scalable platform based on Asterisk that offers a free and complete PBX solution. It is licensed under the GPLv3.

tags: voice-chat pbx phone-system telecommunication asterisk-based
platform: Mac OS X Windows Linux


Plivo is a voice and SMS API platform that enables developers and enterprises to build powerful apps with great features. With 24/7 free tech suppo...

tags: api cloud-telephony communications developer-tools iaas
platform: Online


Voximplant is a cloud platform for developing real-time communication apps with full control over voice and video. Our cloud application engine pro...

tags: platform-as-a-service sdk sip telephony video-calling
platform: Online Android iPhone

Aspect Prophecy

Aspect Prophecy is a powerful, entirely standards-based platform for speech, IVR, and SIP VoIP applications. Prophecy is the world’s first telephon...

tags: sip speech-recognition text-to-speech voice-chat voicexml
platform: Linux Self-Hosted


VoipSwitch is a SoftSwitch System with routing and billing, with SIP protocol support (in older versions also H323).

tags: call-recording invoicing ivr pbx sip
platform: Windows

Voxibot the Voximal stack

Unchained resources : Voximal integrates cloud speech services like Google Speech API, IBM Watson SpeechToText, Azure Bing Speech, but keeps on-pre...

tags: asterisk asterisk-based chat-bot dialer hosted-ivr
platform: Linux Online Self-Hosted Amazon Raspbian Raspberry Pi Microsoft Azure Docker


CALLR is a voice and messaging API available through REST, JSON-RPC and SDKs (PHP, Python, Ruby, Go, Node.JS, Swift, Java, .NET). It's built with m...

tags: api asterisk business-sms call-forwarding call-recording
platform: Online Android iPhone

Slingshot VoIP

Slingshot VoIP is a cloud-based communications provider that specializes in business VoIP service. Our platform delivers carrier-grade services inc...

tags: cloud-pbx conference hosted-ivr hosted-pbx ip-pbx
platform: Mac OS X Windows Online Android iPhone iPad


RingRoost allow freelancers and small businesses to setup a professional phone system, without having to pay the high prices that come along with o...

tags: 1800-toll-free-provider auto-attendant business-phone-system call-recording call-tracking
platform: Mac OS X Windows Linux Online Android iPhone

Avaya Voice Portal

Multi-channel:New devices and technologies have changed consumer communications and expectations leading many corporations to consider full scale a...

tags: ivr sip speech-recognition text-to-speech video-calling
platform: Linux

Cisco IOS Voice XML Browser

Use Existing Infrastructure :Cisco VoiceXML service can be combined with Cisco IOS Software Voice Gateway services or used as a standalone, dedicat...

tags: cisco ivr sip speech-recognition text-to-speech
platform: Windows Linux

Genesys Voice Platform

GVP offers customers a blended experience across inbound, outbound, self- andagent-assisted calls for convenient, quality service. Specific capabil...

tags: ivr sip text-to-speech voice-recognition voicexml
platform: Online Self-Hosted

Ozeki Phone Systems

Ozeki Phone System XE is a Software PBX telephony platform for Windows. Ozeki enables your applications to connect PBX and access IVR, Webphone, SM...

tags: 3d-calling exe-luncher ivr pbx sip
platform: Windows