toolani offers cheap international calls. Call any mobile or landline phone in more than 200 countries around the world - from 1 cent only per minute. Try it now for free.
No features have been listed yet.
Asterisk - An open source telephony switching and private branch exchange service for Linux.
KeepCalling - Best Rates for International Calls. No Contract, Expiry, or PIN. Use Any Phone, Smartphone or PC.
FreeSWITCH - FreeSWITCH is an open-source media application designed to support popular protools such as SIP and WebRTC and provides a platform to develop voice and video applications.
BNESIM - The all-in-one app for your communications. Voice, SMS, rooms, data SIM & eSIM in 200+ countries without roaming fees. Double data on the first top-up. Two years back-to-back winner of the "World Travel awards" for 2019 and 2020.
Wazo.io - The UCaaS Platform Built for MSPs
mytello - Cheap international calls via local dial in number at very attractive prices.