I have a dect2080 cordless. how do i turn the ringer on?

See page 32 of this manual: http://www.uniden.com/content/ebiz/uniden/resources/ownersmanuals/DECT2080-2om.pdf

Silent Mode
You can silence the ringers on the base and all handsets for a specific period of time; the answering system answers any incoming calls without playing anything through the speaker.
With the phone in standby, press and hold # on any handset. The phone prompts you to select the number of hours (1 - 9 or Always On) that you want it to stay in silent mode.
To confirm, press # or just wait about 5 seconds. The phone turns on the answering system and displays Silent Mode On on each handset.After the selected number of hours, the phone automatically exits silent mode. To exit silent mode manually, press and hold # again.
If the phone is in silent mode and you turn off the answering system, the phone exits silent mode.
Multihandset Features To use the features in this section, you need at least 2 handsets.
Your base supports a total of 12 cordless handsets: the one that came with the base and up to 11 DCX160 accessory handsets.You must register accessory handsets to the base before using them. (Handsets that came packaged with the base are already registered.)Handsets that aren't registered display a Not Registered message. For registration instructions, see p. 18, or see the accessory handset manual.If a handset was ever registered to a base, you must reset it before it can register to a new base; see p. 18, or see the accessory handset manual.Conference Calling
When an outside call comes in, two handsets can join in a conference call with the outside caller.
To join a call that's already in progress, just press Talk/flash or SpeSpeSpeaker.To leave the conference call, hang up normally; the other handset remains connected to the call.

From your handset, you just have to press the mute button, your phone should start telling you the time, date, ect. press the #5 key and then the #8 key and start recording your message. When finished press the # 8 key again. Hope this helps

You can get the manual on the link below.

http://www.uniden.com/pdf/DECT2080-2om.pdf

Good Luck and please rate 4 thumbs up for the free answer

You can find the manual here:
http://www.uniden.com/pdf/DECT2080om.pdf

The manual for this model is available at: http://www.uniden.com/pdf/DECT2080-2om.pdf  It is combined with the manual for the DECT2080 series.  Hope this helps!

http://www.uniden.com/pdf/DECT2080-2om.pdf
Sorry about the "link." The Fixya website often does not allow me to insert a link. It's a PROBLEM, that perhaps Fixya should FIX :).

you need to unscrew it and service it with methelated fluid with soft mouth brush and allow it to dry before screwing it.

see manual for ringer settings
http://service.us.panasonic.com/OPERMANPDF/KXTG1032.PDF