My Uniden desk phone has no instructions on setting up the phone

James, How to change language back to English. Check the attached links,manuals,instruction and guides, Good luck
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Uniden TRU9466 User Manual Selecting language Setting the date and time
Uniden Cordless Phone Instructions eHow
Uniden DECT1580 English Owners Manual

will be difficult as the base set is set to only recognize same model units
call uniden help desk direct and discuss the problem with them as they may have other models that are compatible

The Uniden 1260 isn't a voicemail system. To setup your voicemail system, please refer to the documentation for that system. If you're using the voicemail system provided by your telephone service provider, please contact them for instructions.

Pick the model of your phone from the list at
http://uniden.com/index/manuals_results.cfm

try this and tell me if this was helpful

http://phone.manualsonline.com/manuals/mfg/uniden/ucis_3000.html

Here is the link to all Uniden cordless phones. Read your model Off the telephone set and select the relevant manual from the Uniden list.

The help desk person didn't even come close to the steps necessary to reslove the problem. Nothing she suggested mirrored the instructions that came with the unit. I resolved it be trial and error by myself. The instructions failed to mention that the handset had to be in the crade to complete the steps that it suggested, none of which were steps provided by your help desk. Also, she said my service timed out. According to your product offering, your service is until the probelm is resolved. I would like a refund or I will be disputing the charge on my bill.

Uniden | A World Without Wires
Instruction manual for Uniden 900MHzwww.uniden.com

You will need the model #. Go to uniden.com and look in customer service/manuals. They may have it to download.

http://uniden.com/index/manuals_results.cfm