The IPAC (Internet Protocol Access Control) is a telephone access control unit that uses (VOIP) technology instead of a standard phone line.
The IPAC requires the following services to work.
• High speed internet access (monthly fee from provider)
• SIP service (monthly fee from provider, Phone.com $23.99 for the first unit and $4.99 for each additional unit on the same site)
• Hosted Cloud Software (monthly fee $30)