TR-800 TCP/IP AT Commands Guide
(for firmware version AB_02_00_28N_DEF001)
02000C05 • v1.1
Confidential
All specifications are correct at the time of release. iWOW Connections owns the proprietary rights to the information contained herein this
document. It may not be edited, copied or circulated without prior written agreement by iWOW Connections Pte Ltd.
© 2006 iWOW Connections Pte Ltd
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Contents
1. Introduction ...............................................................................................................4
2. GPRS Dialing Service ...............................................................................................4
2.1. APN server: $APNSRV..................................................................................................................4
2.2. APN username: $APNUSR............................................................................................................4
2.3. APN password: $APNPASS ..........................................................................................................5
2.4. GPRS CID: $GPRSCID..................................................................................................................6
2.5. Listing GPRS parameters: $LSTGPRS..........................................................................................6
3. GSM Dialing Services ...............................................................................................7
3.1. Dialing number: $DIALNUM...........................................................................................................7
3.2. Username: $ISPUSR .....................................................................................................................7
3.3. Password: $ISPPASS....................................................................................................................8
3.4. Listing GSM dial-up parameters: $LSTPPP...................................................................................8
4. Connection Services.................................................................................................9
4.1. Connection Mode: $BEARER ........................................................................................................9
4.2. Starting a bearer: $CONNSTART..................................................................................................9
4.3. Ending a bearer connection: $CONNSTOP.................................................................................10
5. TCP Socket Services...............................................................................................11
5.1. Configuring data-mode or command-mode data transfer: $SENDMODE...................................11
5.2. Data Link Escape mode: $DLEMODE.........................................................................................11
5.3. Setting a TCP server: $TCPSRV .................................................................................................12
5.4. Setting a TCP port: $TCPPORT ..................................................................................................13
5.5. Listing TCP parameters: $LSTTCP..............................................................................................13
5.6. Opening a TCP connection: $TCPOPEN ....................................................................................14
5.7. Sending/Receiving data using command-mode: $TCPSEND.....................................................14
5.8. Toggling between online and offline mode during data mode: +++/ATO ....................................15
6. Usage Example........................................................................................................16
6.1. TCP Connection via GPRS for command-mode..........................................................................16
6.2. TCP Connection via GPRS for data-mode...................................................................................16
7. Appendix..................................................................................................................18
7.1. CME Error Codes.........................................................................................................................18
8. Support ....................................................................................................................19
