Google Voice - Google Voice gives you one number for all your phones, voicemail organized in an email format, free...
PST.NET - Virtual payment cards for online shopping and advertising
Mitel - Business Communications and Collaboration
Coinramp - The Coinramp Card lets you spend over 10+ cryptocurrencies like cash, online, in-stores and ATM withdrawals. Available in 100+ countries, no ID needed. Anonymous Crypto Cards
Phonebooth - Phonebooth is one of the leading voip providers, providing phone systems & phone service for small businesses.
EPN.net - Virtual cards for any advertising accounts and personal purchases