what is a sip account
SIP Account-Free Voice and Video over the Internet. When you create an account with OnSIP, you can add an unlimited number of users. All users get a unique SIP account that they can use to provision VoIP desk phones, soft phones, and SIP clients for mobile phones, etc.Creating an account and adding users is free.You can make an entire network of SIP accounts for your team and call each other using extension to extension dialing for no cost.any of our customers register the SIP account they use on their office desk phone to a mobile SIP client on their cell phone so they are never out of reach. OnSIP allows each user up to ten simultaneous device registrations. When you create an account with OnSIP, you can add an unlimited number of users.