The Miracall 316 is a type of phone system that manages internal and external communications. It has four outside telephone lines and 16 extension lines, so it is good for small to medium-sized offices, hotels, schools, and businesses. It offers features such as caller ID, auto-attendant, call forwarding, call transfer, conferencing, and automatic fax transfer to improve communication efficiency. 4 CO Lines & 16 Extensions: Supports up to 4 external telephone lines and 16 internal extensions. Caller ID: Displays the caller's phone number on compatible telephones. Auto Attendant: Automatically answers incoming calls and routes them to the appropriate extension. Intercom Function: Enables free communication between internal extensions. Call Forwarding: Redirects incoming calls to another extension. Call Transfer: Transfers calls easily ...