Does this vtech phone have a sound speaker? need the english manuel only in spanish.......

Here is the internet address for the phone's user manual. Read the settings instructions.
https://www.manualslib.com/manual/745244/Vtech-Cs6124-11.html

I think you can change it go to menu settings go to language and it should have english and just change it to english.

Try this: ( tested on a CS6429 )

press [menu] scroll to "> Settings"
press [select]
scroll to "> LCD Language"
press [select]
scroll to "> English"
press [select] ( chirps ) press [OFF]
press [OFF] again to return to "Handset #"

Note: on the CS6629 handset, it will ask for
confirmation "Set English?", press [select]

Good luck!
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Afraid I do not know the actual menu.
but here is a link to help you get the manual online for the handset.
Then you should be able to follow the menu to change to english.

http://phone.manualsonline.com/manuals/mfg/vtech_communications/vtech6041.html

Enter the model of your VTech DECT 6.0 phone into the search box at http://www.vtechphones.com/support/general/manuals to download a copy of the manual.

Greeting sir I have VTech tab for kids it's in spanish..kindly tell me how change it Spanish to English.
Waiting for your answer.

Since you didn't give the model of your VTech system, please enter it into the search box at http://www.vtechphones.com/support/general/manuals to download a copy of the manual.

Since you neglected to specify the model of your VTech DECT 6.0 system I can only suggest you enter it into the search box here to download a copy of the manual.

Since you neglected to specify the model of your VTech DECT 6.0 system I can only suggest you enter it into the search box here to download a copy of the manual.