Enfora Enabler II-G Integration Manual page 49

Integration Guide
Version 1.01
The following provides information related to the general construction of the UDP-API packet. Other
command structures are available and can be found in the API reference manual.
All AT commands listed in the GSM0102PB001MAN document are supported via this method. To send an
AT command via DUN or OTA, the user has to follow the following message structure. This message
structure sends the ATI command to the modem and receives Enfora, Inc. response from the modem.
Bytes
0 – 19
20 – 27
28
29
30
31
32
33
34
Following data will be returned by the modem:
Bytes
0 – 19
20 – 27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
GSM0108PB001
Data Description
IP Header
UDP Header
0x00
0x01
0x04 AT Command Read/Write
0x00
0x41
0x54
0x49
Data Description
IP Header
UDP Header
0x00
0x01
0x05 AT Command Response
0x00
0x0D
0x0A
0x45
0x6E
0x66
0x6F
0x72
0x61 AT Command Response
0x2C
0x20
0x49
0x6E
0x63
0x2E
0x0D
0x0A
Page 48
Comments
Sequence Number
Reserved
AT Command
(ATI)
Comments
Sequence Number
Reserved
(Enfora, Inc.)
1.01 – 01/21/05