Edwards-Signaling-874-N5 Vibrating Horn, 120VAC, 0.13A, Gray

Edwards-Signaling-340-4G5 Bell, 24VAC, 0.250A, Gray

Traditional Red Wall Phones For Landline Mechanical Ringing, Classic 2554 Wall Telephone Ringing Indicator, Retro Wall Mounted Phone Hearing Aid,

Bell System 1930S Western Electric Rotary Telephone F1 With Ringer

Retro Wall Phones, MCKTHO Old Wall Mounted Phone Landline Phone With Loud Mechanical Ringing Vintage Wall Corded Telephone With Volume Adjustable

Universal Hard Wired Amplified Telephone Ringer Alert With Strobe

Lot Of 2 Western Electric Telephone Handset E1 & Hand Crank Oak Ringer

Old Intercom Office Phone Western Electric Ringer Box - Rising Sun

Algo 8186 Poe SIP Paging Speaker And IP Loud Ringer

Classic Wall Phones For Landline With Mechanical Ringing, Single Line 2554 Wall Telephone With Voicemail Indicator, Retro Wall Mounted Phone Black

Grandstream 2-FXS Port Analog Telephone Adapter (HT802)