Landline Phone Repair - iFixit
www.ifixit.com › Device › Landline_PhoneLandlines have several features that are available, some that may be different than your mobile phone. For example, you can buy multiple extensions for one number, most come with caller ID, a headset jack, a speakerphone, and a ringer in both the base and the handset. Additional Information Landline Phone on Wikipedia Landline Phone on Amazon