Ringer troubleshoot The volume on the phone is up but no sound when there's an incoming call (only blinking light) or when adjusting the ringer volume or ringer type.

See if this helps

Adjusting the Ringer, Earpiece and Speaker Volume

Adjusting the Ringer Volume

You can choose from four ringer volume settings (off, low, medium, and high)

separately on each handset or the base.

With the phone in standby, press or on the handset or VOLUME or

VOLUME on the base. The handset or base sounds the ringer at that level.

Use on the handset or VOLUME on the base to make the ringer volume

louder. Use on the handset or VOLUME on the base to make it softer or

turn it completely off.

When you hear the ringer volume level you want to use, stop pressing keys.

The handset or base will use the new ringer volume starting with the next incoming call.

Note: If you set the ringer volume to Off, the handset or base won't ring. Other handsets or base will ring according
to their individual settings.

Adjusting the Ringer, Earpiece and Speaker Volume

Adjusting the Ringer Volume

You can choose from four ringer volume settings (off, low, medium, and high) separately on each handset or the base.

With the phone in standby, press or on the handset or VOLUME or VOLUME on the base. The handset or base sounds the ringer at that level.

Use on the handset or VOLUME on the base to make the ringer volume louder. Use on the handset or VOLUME on the base to make it softer or turn it completely off.

When you hear the ringer volume level you want to use, stop pressing keys.

The handset or base will use the new ringer volume starting with the next incoming call.

Note: If you set the ringer volume to Off, the handset or base won't ring. Other handsets or base will ring according

to their individual settings.

Muting the Ringer (One call only)
While the phone is ringing, press /Mute or END on the handset or on the base to mute the ringer

Set the RINGER volume switch located at the back of the base to the desired loudness.
OFF - Telephone will not ring.
LO - Sound will be lowest.
HI - Sound will be loudest.

The above is from the third column of the first page of the manual at
http://www.home-electronics.net/USER-GUIDES/29369_DOM_ES_CD_IB.pdf

Here some solutions for your problem + a link to the user manual.

**Selecting the Ring Tone and Volume
Your phone has five different ringer tone/volume combinations you can choose from.
To select the ringer:
1) With the phone in standby, press [vol/ / ] or [vol/ / ].
2) The phone will sound the different ring tones at different volumes. To turn the ringer
off, select RINGER OFF.
3) When the phone sounds the ring tone and volume you wish to use, press [end].


**Temporarily Mute Ringer
If the handset is off the base while an incoming call is ringing, simply press [end] to mute
the incoming ring. The ringer will sound with the next incoming call.
Note: You can only mute the handset ringer if the handset is off the base when the phone starts
ringing.
Adjusting the Earpiece.

**Here is also a link to the phone manual http://www.uniden.com/pdf/EXI4561om.pdf

To adjust the ringer volume:

1. With the phone in standby, press ^ or v. The display shows the current volume level and the handset sounds the ringer at that level.
2. Use ^ to make the ringer volume louder or use v to make it softer or turn it off completely.
3. When you hear the ringer volume level you want to use, stop pressing keys. The handset will use the new ringer volume starting with the next incoming call.

Note: If you set the ringer volume to Off, the handset won't ring. If you have any accessory handsets, other handsets will ring according to their individual settings.

To adjust the earpiece volume:

You can choose from six volume levels for the handset earpiece. To adjust the earpiece volume while on a call, press ^ to make it louder or v to make it softer. The handset display shows the current volume level for the earpiece.

To adjust the speaker volume:

You can choose from six volume levels for the handset speaker while on a speakerphone call. To adjust the handset speaker volume, press ^ to make it louder or v to make it softer. The handset display shows the current volume level for the handset speaker.

Note: The handset earpiece and the handset speaker have separate volume settings.

Adjusting the Ringer Volume (From the Uniden manual)

You can choose from four ringer volume settings (off, low, medium, and high) separately on each handset or the base.

1. With the phone in standby, press ArrowUp or Arrow Down on the handset or VOLUME + or VOLUME - on the base. The handset or base sounds the ringer at that level.
2. Use Arrow Up on the handset or VOLUME + on the base to make the ringer volume louder.
   
3. Use Arrow Down on the handset or VOLUME - on the base to make it softer or turn it completely off.
4. When you hear the ringer volume level you want to use, stop pressing keys.
   
5. The handset or base will use the new ringer volume starting with the next incoming call.
6. If you set the ringer volume to Off, the handset or base won’t ring.
   
7. Other handsets or base will ring according to their individual settings.

Setting the Main Base Ringer Volume
The main base has three ringer volume settings: high, low, and off. You can change
the ringer volume while in standby mode or while an incoming call is ringing.
1) Press the ringer key.
You hear the ringer at the current volume level
([ ] High, [ ] Low, [ ] off) (if you set the
main base ringer volume to off, “Ringer off” is
announced) and it is displayed on the main base.
2) Press the ringer key repeatedly until the desired ringer
option appears.
3) The system displays the new ringer volume.

T7316 Manual

The volume control adjusts the handset, hands free, headset, and ringer volume. Someone may have fiddled with the buttons and turned the ringer down enough that it doesn't sound when a call is incoming.

Have you tried this? With the phone open, using the side key next to the charging port to adjust your volume then pushing OK to set it before closing the phone.

Here are some suggestions Volume You may adjust the ringer, speaker, handset and headset volumes independently with the VOLUME ^ and VOLUME v buttons. Your telephone comes with predetermined settings which can be adjusted to individual taste. You will hear an error tone when the maximum or minimum volume level is reached. During volume adjustment, a ?dashed line? icon shows in the display. Adjusting the Ringer Volume Press the VOLUME ^ or v button while in on-hook mode. And/or 1 Selecting a Ringer Tone You may select the ringer tone for each line independently. You may choose to turn the ringer off or select one of the four available ringer tones for each line. 1. Press STORE. The red indicator blinks indicating unit is in Store Mode. 2. Use the number pad to select a ringer tone 0 through 4 (selecting 0 turns the ringer off). 3. Press STORE and then press the desired line button. NOTE: The line indicators continue to flash for incoming calls even with the ringer disabled. You may not select the same ringer tone for both lines. Checking the Ringer Settings Check the setting or each ringer (on, off) by pressing STORE, followed by LINE 1 or LINE 2 button when the phone is on the hook. The ringer setting of the selected line will be shown in the display. If there are any further questions or comments please post here. Please rate this solution through fix-it. Thank you.