Open connection to WAP gateway over GPRS

Open connection to WAP gateway over GPRS SearchSearch
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Raphaël
New member
Username: El_gran_cazador

Post Number: 1
Registered: 10-2007
Posted on Thursday, October 18, 2007 - 03:10 pm:   

Hi,

I'm building program for sending MMS over GPRS with a serial modem (wavecom 1306B - firmware OK) with java.
I successfully attached my modem onto GPRS session with AT command like that :

WRITE AT+CGDCONT=2,"IP","orange.acte"
WRITE AT+CGATT=2
WRITE AT+CGACT=1,2
WRITE AT+CGDATA=2

I received :

CONNECT 9600

and this string :

7eff7d23c0217d217d217d207d367d217d247d25dc7d227d267d207d207d207d207d277d227d287d 227d237d24c02326b47e

and after :

NO CARRIER


I've read all documentation for build WTP/WSP PDU but I don't understand how to flush it to my modem.

Does someone help me ? After that I think that I can continue by myself with 3GPP and OMA documentation, but now I'm blocked ...

Thanks.
None
New member
Username: Nonetracer

Post Number: 1
Registered: 01-2009
Posted on Tuesday, January 06, 2009 - 02:26 am:   

This is the PPP protocol's data which is a LCP-Request frame. Before send MMS message through WAP, you must build a PPP connection.
You can see RFC 1661,1662 etc.