The Best 32 CALLR Alternatives

  • Twilio

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

    Freemium Web

  • 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.

    Commercial Web

  • 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.

    Commercial Android iPhone Web

  • Textlocal

    Effortlessly send offers with files, images & web links via SMS. With 1,65,000 customers, Textlocal is India’s No.1 SMS Alerts and Marketing Platform.

    Commercial Android iPhone Web

  • KAPSYSTEM

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

    Free Open Source Web

  • Nexmo

    Nexmo provides innovative communication APIs that bridge traditional voice and text services with cloud communications. Nexmo enables applications and enterprises to...

    Commercial Web

  • XiVO

    XiVO is an IP-PBX, a unified communications platform that connects phones on a local or private network with other networks such as public landlines and mobile...

    Free Open Source Mac OS X Windows Linux

  • 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...

    Commercial Web

  • Sinch

    Sinch is a powerful voice and messaging SDK that lets you bring your apps to life with VoIP and WebRTC technology. Simplicity is at its core and you can get your first...

    Commercial Android iPhone iPad

  • Clickatell

    Reach any customer on any mobile phone, anywhere, today! Clickatell covers over 871 networks in more than 220 countries and territories. Clickatell will connect you to the wireless world through simple integration.

    Commercial Web

  • Cloud Telephony

    The main purpose of cloud telephony is connecting with the customers for providing your services support. IVR is the software which is used for the cloud telephony.

    Commercial Web