VTech HSH801 User Manual page 12

Telephone Call
(International Call via Short‐Cut Key)
Remark:
The Dect Phone will
automatically add prefix for
International Call, same for
Local Call, VOIP.
Guest can delete the phone
number if made a typo,
however the prefix cannot be
"deleted".
Again phone line only
occupied when the guest
press the green "CALL"
button except Voice Mail.