TollFreeForwarding - TollFreeForwarding offers hosted PBX, call forwarding and IVR solutions.
CloudTalk - Work locally, grow globally
Loop Communications - Loop Communications provides hosted VoIP business phone systems to small businesses and mid-sized companies.
Zadarma - A new generation of VoIP for your business. Zadarma offers virtual phone numbers in 100+ countries, cloud PBX, and CRM systems.
Vonage - Vonage is a cloud-based all-in-one VoIP software solution designed for multiple industries such as accounting, healthcare, finance and marketing etc.
WhatsApp - WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.