CALLR!

CALLR alternatives

  • Google Voice

  • Google Voice gives you one number for all your phones, voicemail organized in an email format, free US long distance calls, low rates on international calls, and many free calling features, including transcripts, call blocking, call screening, conference calling, SMS, and more.

    tags: audio-conferencing call-forwarding calling conference conferences
  • Twilio

  • 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 simple, powerful, pay-as-you-go communications platform so that you can focus on what you do best.

    tags: api asterisk hosted-ivr hosted-pbx hosted-sms
  • Nexmo

  • Nexmo provides innovative communication APIs that bridge traditional voice and text services with cloud communications.

    tags: api sms-api sms-messaging web-based
  • XiVO

  • 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
  • Clockwork SMS

  • An simple text message API.

    tags: sms-api sms-gateway sms-marketing sms-messaging
  • Plivo

  • 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 support and low prices, Plivo can help your business scale globally.

    tags: api cloud-telephony communications developer-tools iaas
  • Voximplant

  • Voximplant is a cloud platform for developing real-time communication apps with full control over voice and video. Our cloud application engine provides developers with a way to control every call leg using JavaScript logic. Voximplant allows embedding business logic in JavaScript scenarios and reducing requirements for backend services. The JavaScript code running in our cloud provides access to text-to-speech and speech recognition, IVR, ACD, Call Lists, as well as enables third-party services to send and receive HTTP requests, and much more! Our platform has web, android, iOS and react native SDKs alongside with web-based debugging tools. »

    tags: platform-as-a-service sdk sip telephony video-calling
  • Swift SMS Gateway

  • SMS Gateway is your bridge between the Internet and the world of cell phone SMS text messaging. We've taken care of all the complicated details and harnessed the sophisticated technology necessary to bring you a simple solution for sending SMS text messages from a web or desktop application.

    tags: api sms-api sms-messaging
  • KAPSYSTEM

  • KAP Computer Solutions Pvt. Ltd., (KAPSYSTEM) pioneer in BULK SMS Solutions. KAPSYSTEM provides messaging and voice communications with comprehensive and customized platform for all businesses.

    tags: bulk-sms-service sms-api transactional-sms
  • SightCall

  • SightCall offers comprehensive real-time video APIs and Mobile SDKs that makes it simple to embed video calling and video conferencing into any application. SightCall provides a WebRTC Platform for healthcare, customer service and enterprise collaboration and has prepackaged integrations for Salesforce and Zimbra.

    tags: api customer-service real-time-chat real-time-collaboration sdk
  • Blitzz - Live Video Chat

  • If your reps or customers are remote, you should check out Blitzz.co.

    tags: customer-bot customer-service customer-support field-support-solution live-chat
  • Voxibot the Voximal stack

  • Unchained resources : Voximal integrates cloud speech services like Google Speech API, IBM Watson SpeechToText, Azure Bing Speech, but keeps on-premise capability thanks to UNIMRCP connector.

    tags: asterisk asterisk-based chat-bot dialer hosted-ivr
  • Textlocal

  • Textlocal bulk SMS service allows you to quickly reach out to millions of your customers, prospects and staff within seconds at the click of a button. With our unparalleled features, you can now easily personalize your messages, attach images and PDFs, include web links as calls-to-action, send discount vouchers and coupons, and collect data via mobile forms. What’s more, you can even measure your campaign performance in real-time.

    tags: bulk-sms business-sms email-to-sms-gateway group-sms missed-call
  • engageSPARK

  • engageSPARK enables anyone, anywhere to build and launch SMS and Voice Call messaging, surveying, and decision tree programs to 200+ countries – within minutes. It is a self-service website where any non-technical person can easily, quickly, and cheaply create messaging campaigns, curriculums, surveys, reminders, alerts, decision tree programs, etc. to send key information and collect important data from their participants.

    tags: ivr sms-api sms-from-pc sms-marketing sms-web-service