Siemens ST55 specs

Siemens ST55 specs


Network frequency Dual Band EGSM 900 / GSM 1800
Voice encoding FR, EFR, HR
SIM card plug-in 3V

Technical Specifications

Antenna integrated
Weight 87 g
Volume 76 cm³
Dimensions (L x W x H) 98,5 x 48,9 x 21,6 mm
Colour variant (availability may vary by country) silver metallic


Standard battery Li-Ion 750 mAh
Stand-by time 2) (with standard battery) up to 140 h
Talk time 2) (with standard battery) 4,5 h
Charging time max. 2,5 h


Display 65k color display, 120 x 160 pixels
Date and time in display yes

Standard Features

Reminder list yes
Alarm function yes
Stopwatch yes
Countdown timer yes
Currency converter yes
Calculator yes
SMS (Short Message Service) yes, up to 760 characters
Intelligent Typing (T9) yes
Picture Messaging yes EMS/MMS
Enhanced Message Service (EMS) yes (Release 5.0)
Redial list last 10 numbers
List of calls received / missed last 20 / last 20
Date and time stamp for missed calls yes
Menu format yes
Menu level yes
Softkey programmable yes
Call wait / call hold yes
Conference call yes
Call forward yes
Display call timer and cost yes
Keypad lock yes
Silent Alert (vibration) yes
Calling Line Identification (CLI) yes
Call filter yes

Special Features

Multi Media Messaging yes
Camera integrated, VGA, 4x zoom
Voice Dial / Voice Command yes
Hands free talking yes
Calling Faces yes
Calling Symbols yes
Address book yes, 250 entries
Telephone book in the phone yes, 250 entries
Digital voice recording yes
Organizer yes
E-mail client POP3, SMTP, IMAP4


Built-in data and fax modem yes
High Speed Data Transfer GPRS class 10
Ringing tones / ringer melodies polyphonic, 40 voices
Melody composer yes
Games yes

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