voip – sip › Forums › Network Management › ZeroShell › voip – sip This topic is empty. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts April 21, 2012 at 4:12 am #43339 davidxcookMember buon giorno, does anyone have the latest and best configurations for zs with a voip – sip provider? david February 19, 2015 at 6:53 am #52322 UtteruMember Make the cheap calls with VoIP. Utteru is a pinnacle VoIP service provider. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In