What are different types of caller IDs?

Caller ID or (CID), also known as Calling Line identification services (CLID), are services provided by telephone companies that allow the recipient of the phone call to identify the party that calls them, either by name or by telephone number. Various types of calling IDs are an analog, digital voice log caller ID (VoIP), automatic number identification (nor), and call waiting for call. Each type has different advantages and disadvantages.

The basic types of calling ID services, such as Call Number (CNID), identify a party that calls for invicating information associated with the phone number. Available for both analog and digital telephone, if the call comes from the standard loop phone line called Pots Exchange, the local service provider switch provides identification data. The actual connection is done only when the recipient responds to the phone, so the caller cannot change the caller's identification even if possibleé block her.

is the identification of callers based on their phone numbers. This type of telephone service is a very basic form of identification of the caller numbers, which was first created for internal testing of the phone maintenance workers and later AT&T for long distance bill. The call phone numbers are captured by the target telephone company and are accessible to the recipient of the call, even if regular caller IDs are blocked.

The use of caller IDs in the VoIP environment is unregulated and easily pretendable, such as configuring fake phone numbers to avoid long distance fees. VoIP is the provision of telephone services over the Internet. This means that callers and recipients can use other devices to chat other than phones and programs available for VoIP phone calls include and MSN. For this reason can be iDentification of calling calling calling calls false and not reliable.

Id Call Wail Waiger ID, otherwise known as Caller II services, date back to 1995, when it was possible for the telephone service provider to transfer the caller identification data after the user was already on the phone. It works with a combination of calling services with calling ID services, and usually has the option to choose to answer the call, switch between the current call and the waiting call, to hand over the new call to the voice mail or disconnect it completely.