https://grasshopper.com/Grasshopper
赞助At Just $14/Month, Grasshopper's Virtual Phone System for Businesses is an Easy Call. Grasshopper is Easy to Use, Easy to Set Up, and at Just $14/Month, Easy on Your Wallet.
Desktop App · Desktop calling · Call Forwarding to Cell · Use your existing phone
Types: Multiple Extensions, Call Forwarding, Voicemails Transcribed, Custom Greetings