What are some alternatives?
When comparing Eir SIP Voice and AVOXI, you can also consider the following products
Phonebooth - Phonebooth is one of the leading voip providers, providing phone systems & phone service for small businesses.
Aircall - Aircall is a call center software of a new generation designed for fast growing companies. Setup instantly and integrates to your CRMs
Google Voice - Google Voice gives you one number for all your phones, voicemail organized in an email format, free...
Five9 - Five9 provides cloud-based call center software for sales, marketing and support.
VoIP.ms - VoIP.ms is a VoIP origination and termination tool.
KOOKOO - All in one solution for calls, IVR, live chat, customer management & more.