Alcatel 155, 156, 355 cell phones cable connector pinout 
1 GND
2 Tx
4 Rx
Alcatel 311/511 (BF, BF3, BF4) cell phones cable connector pinout 
1 Gnd
2 AT RCK
3 TA ARQ
4 TA MS TX
5 TA MS RX
Alcatel E-801 headset schematic pinout 
Alcatel OT-E801 USB/audio connector pinout pinout
1 Audio GND Ground (for audio signals)
2 ??? Possible GND too (shorted to pin 1 in headset plug)
3 MIC+ Microphone input from headset
4 Audio Left Output Audio left channel to earpiece
5 Audio Right Output Audio right channel to earpiece
6 GND Ground (used for USB signals and charger)
7 not used
8 USB Data+
9 USB Data-
10 VCC +5V Input +5V form USB or charger
Alcatel 320 (XG1) cell phone pinout
[img]http://pinouts.ru/connectors/cell_14p.gif
1 Gnd
11 Tx
12 Rx
Alcatel 525 (BG3) cell phone pinout 
1,2,5 GND
3 Rx
4 Tx
Alcatel 531 (XG3), OT-152 cell phones cable connector pinout 
1,2,3 shorted for Alcatel 531
5 Tx may be RX
6 Rx may be TX
8 R=48KOm to GND for Alcatel 531
13,14,15 GND
16 +5V for Alcatel 531
Alcatel 715 (BF5) cell phone pinout 
1 nc
2 nc
3 +V
4 DCD, DTR
5 Power ON
6 CTS
7 RTS
8 RXD
9 TXD
10 GND
[b]Alternative pinout (for phone connector)
1,10,11 GND
2 Rx
12 Tx
Alcatel 835 cell phone pinout
11,17 GND
12 Tx
13 Rx
Here is an alternate pinout, tested. The following signals are viewed from OT835, not from cable.
4 GND black
10 DTR yellow
11 DSR purple
12 TxD orange
13 RxD red
14 CTS blue
15 RTS green
17 frame ground
Alcatel BE1, BE2, BE3, BE4, DB, 30x, 50x, 70x (One Touch Easy DB, Club DB, MAX DB) cell phone pinout 
2 GND
4 +5V
7 TX
8 RX