wireless voip phone 1.Both PSTN and GSM 2.One cordless base unit can support up 4 handsets. 3.Support 3-way conference wireless voip phone Main FunctionsBase UnitSupporting GSM-900MHz&GSM-1800MHz digital mobile communication network SMS function.32 pre-dialing numbers.Rejecting the incoming call function.Adjusting the volume of handset and hand free.Supporting redialing, HF, and dialing back functions.Supporting inter-communication between handset and hand free of base unit.One base unit can be with four handsets at most.Connecting external power adapter with rechargeable battery. Displaying date, time, week, battery status, and signal strength on the LCD.Displaying the numbers and current talk time of received calls and dialed calls on the LCD.Making local calls, mobile phones, domestic calls and international calls.Many kinds of chords and no sound for you to choose and chords volume can be adjusted.Storing, searching and deleting 16 groups of missed calls, received calls and dialed calls.2-2 HandsetLocking keypad.Adjusting the contrast light of LCD.upporting HF, redial and dial back function.Conferences function among base unit, handset and incoming call.10 groups of dialed calls records for you to search, delete and dial back.10 groups of incoming calls records for you to search, delete and dial back.Many kinds of melody ring for selection and you can adjust the volume or close the ring tone.Displaying date, time, week, signal strength, and battery status on the LCD.Handset to handset, handset to base unit can communicate with each other and call transference with complete dual-work mode.Multi-voice channels that when you will make calls by base unit or handset, others also can make intercom among handsets or base unit.You can save 50 groups of phone numbers in phone book.3. Technology Parameters

Environment Temperature: -10°C~40°C

Relative Humidity: 10%~95%

Atmospheric Pressure: 86~106kpa

Base Unit:       

Working Power: DC5V 1000mA   

Back-up Battery: Rechargeable battery 

Handset: 

Charge Power: DC5V 600mA 

Back-up Battery: Rechargeable battery 

Standby Time: 24h

      

Talk Time: 3h

Annotation: Talk time and standby time is according to the local network.

TF03-CP 2.4G wireless phone