Nokia 2110 cell phone

full pinout

16 pin cellphone 2 rows w/antenna right special connector at the mobile phone

+-----------------------------------------+
|      16 15 14 13 12 11 10 9             |
| ANT  o  o  o  o  o  o  o  o      Charge |
| (O)                          [ ] (o)    |
|      o  o  o  o  o  o  o  o             |
|      8  7  6  5  4  3  2  1             |
+-----------------------------------------+

Pin	Name	Description
1	GND	Digital ground
2	MIC/JCONN	External audio input from accessories or handsfree microphone. Multiplexed with junction box connection control signal
3	AGND	Analogue ground for accessories
4	TDA	Transmitted DBUS data to the accessories
5	M2BUS	Serial Bidirectional data and control between the handportable and accessories
6	HOOK/RXD2	Hook indication. HP has a 100KE pull-up resistor
7	PHFS/TXD2	Handsfree device power on/off, data to flash programming device
8	VCHAR	Battery charging voltage
9	GND	Digital ground
10	EAR/HFPWR	External Audio output to accessories or handsfree speaker
11	DSYNC	DBUS data bit sync clock
12	RDA	DBUS recieved data from the accessories
13	BENA	Power supply to headset adapter
14	VF	Programming voltage for FLASH
15	DCLK	DBUS data clock
16	VCHAR	Battery charging voltage

Source:www.pinouts.ru