Yes it supports Voice Dialing. The Details are listed below.
::Features::
900/1800 GSM Phone
WAP 1.1
SMS chat
Picture messaging
Predictive text input
Over-the-air activation for sending/receiving phone numbers
Business card sending/receiving
Calendar
Infrared Port
Games: Memory, Snake, Logic, Opposite
Data Transfer: 9600 bps
Ring tones: 35
Vibration mode
Downloadable profiles, screensavers and ringing tones
Illuminated full-graphics
Display Size: 5 lines
Blue backlight
::Memory::
Numbers in phone: 250
Dialed calls: 10
Received calls: 10
Missed calls: 10
Memory for 8 voice dial numbers
50 calendar notes
Wireless Solutions:
Infra-red and Internal Data for cordless communication with compatible Nokia phones, laptop computers or PDAs4
Over-the-air activation for downloading phone numbers, profiles and pictures (sending/ receiving) and Ringing Tones and CLI icons (receiving)
::PC Suite::
Offers connectivity between your Nokia 8250 and your PC and transfer data
Allows you to send and receive email, browse the Internet, download information, and receive faxes as well as SMS messages (max 160 characters)
Helps you transfer data from your Nokia 8250 to your office computer
::Specifications::
Weight: 81g
102.5 x 45 x 19 mm, 69 cc
Talk time: 2h - 3h 20 min
Standby time: 50h - 150h