The CS6529-3 will help you monitor your calls with 50 number caller ID and caller waiting so youll know in advance who is calling. With the convenient voicemail waiting indicator youll know when you have messages, and with 14 minutes of answering system recording time you can listen to your missed calls - even from your cordless handset. Quickly find and connect with missed calls with last-ten number redial. The convenient speakerphone feature keeps your hands free to jot down phone numbers or notes while eliminating the need to cradle your phone between your shoulder and your ear. Quickly find and connect with missed calls with last-ten number redial. With full hearing aid compatibility never again struggle to hear your loved ones on the other line. Intercom feature between the two included handsets lets you communicate between rooms. Comes with a convenient wall mount to help clean up desk clutter. Trouble Shooting Steps: Why cant people hear me when I am using this telephone? 1, If the handset is not responding normally, you may need to reset your telephone system. Complete the following steps to reset the telephone system: Step 1: Disconnect the power to the telephone base. Step 2: Disconnect the handset battery(s). Step 3:Wait a few minutes and then reconnect the power to the telephone base. Step 4: Reconnect the handset battery(s). Step 5: Wait about one minute for the handset to re-establish a link with the telephone base and then test the phone again 2. Make sure that the mouth piece is unobstructed. Avoid getting food in the microphone or placing your fingers over the microphone, located near the bottom of the handset. 3.Using more than one extension on the same call can lower the call volume. Hang up any extension phones that are currently active. Due to differences in telephones and line conditions, the ability to use multiple extensions at the same time cannot be guaranteed. 4. Ensure that the MUTE feature is not turned on. When MUTE is engaged the screen will show Muted. 5. Your handset being out of range of the base may cause a poor connection. Move the handset closer to the base. The operating range may vary with environmental conditions and time of use. There may be places within your environment that a cordless phone will not work well. If the problem only occurs in certain areas of your environment, you can conclude that there is nothing wrong with the phone.