The jacks that connect cords to a phone are fragile. If yours is cracked or has mangled pins, we can supply a replacement. We also have sliding plugs to fit into the slots on the backs of some wall phones. Other types may be available for Trimline, Princess and other phones. Ask us.
Single-line phones need just two wires (one pair). You can clip un-needed wires off the jack. Handset jacks need all four wires - DON'T CLIP ANY.
"Ground" shipping/handling charge is $7 for up to six jacks or sliding plugs, sent anywhere in the US.