This handset connector is not a registered jack, because it was not intended to connect directly to the telephone lines. However, it is incorrectly often referred to as RJ9, RJ10, or RJ22.
Used for – The 4 contact handset connectors are used for crimping on to the ends of 2-pair/4-way telephone cable. This connector is commonly used with telephones, and other handsets.
This handset connector is not a registered jack, because it was not intended to connect directly to the telephone lines. However, it is incorrectly often referred to as RJ9, RJ10, or RJ22.
