Source google image: https://ae01.alicdn.com/kf/HTB17mi5diqAXuNjy1Xdq6yYcVXaW/5pcs-6-pins-copper-contact-switch-telephone-spring-switch-telephone-hook-switch.jpg_220x220.jpg
Contact telephone aliexpress
Source google image: https://ae01.alicdn.com/kf/HTB17mi5diqAXuNjy1Xdq6yYcVXaW/5pcs-6-pins-copper-contact-switch-telephone-spring-switch-telephone-hook-switch.jpg_220x220.jpg