Technologies
Analog
CDMA
GSM
Satellite
TDMA
3G
Other

Phones
Information
Manuals
Ringtones
Technical

Services
Software
Links
Forums
News
Reviews
SMS

Articles
Assorted
Bluetooth
Data
Etiquette
Health
Phones
SMS
Statistics
WAP

Tech Info - Ericsson 788

Ericsson 788

Software Version enter * -> * <- <- * <- *

Service Provider Lock is * <- <- * but it is now called the ME lock.

There are two options after selecting yes on another menu. These are lock to Network or lock to NetSubet.

Command set

The following commands are recongnized by the phone.

Use 9600 baud, 1 stopbit, 8 data bits, no parity.

ATA Pick up phone during ring
AT+GMI Manufacturer identification
AT+GMO Request model Identification
AT+GMR Request revision Identification
AT+GMM
ATDxxx; Dial number xxx
ATH Hangup phone
AT+CFUN=? Define levels of fuctionality in the order of power consumed
AT+CFUN=0 Switches off the phone
AT+CBC Query battery level

Each command has to be followed by a 0x0A, 0x0D sequence, that is carriage return - line feed. These commands will be ackowledged with an 'OK' prompt. An incoming call is signalled by the string 'RING' sent by the phone at 9600b in normal mode.

Portable Handsfree Unit

1     Earphone: 16 Ohm
2     Microphone: <- 2 kOhm
5     Connected to 04 (GND)

Pinouts

Left to right, keyboard up.

1 Audio Out
2 Audio In
3 Accessory Sense. GND to enable External Mic and Speaker (Analog)
4 Audio Signal GND.
5 Portable handsfree In.
6 Music Mute Out, High when phone is used.
7 In Flash Memory Voltage and Service Voltage, In 0V=normal,+5V=test, +12V=test+flash
8 Logic Out, Status On. Sources over 100mA
9 Data Out from Mobile Station. Debug messages appear here at 112KBaud when in debug mode.
10 Digital Ground and DC return
11 Data in
12 DC in for battery charging, DC out for accessory power