First: Change In Windows Registry
> Click Start> Run> type in regedit
> Emerging new windows> in the HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Servic es \ Tcpip \ Parameters
> Fill in the following registry value:
* DefaultTTL content value 00000040
* EnablePMTUBHDetect content value 00000000
* EnablePMTUDiscovery content value 00000001
* GlobalMaxTcpWindowSize contents value 0005ae4c
* SackOpts content value 00000001
* Tcp1323Opts content value 00000003
* TcpWindowSize value content 0005ae4c
* Restart Laptop / Computer.
Second: Changes to Windows Settings
First way:
> Control Panel> icon modem> modem properties
> On the General tab, change the maximum speed to 115200
> Click on the connection and click port settings > From the Advanced Port Settings dialog box, put a check in the Use FIFO buffers.Then change the Receive Buffer and Transmit Buffer to 14 to 16. Then click OK.
> Click the Advanced button, check the box next to Use Flow Control.
> Then select the radio button Hardware. In the Extra Settings section, fill with & C1 & D2E1Q0V1X4% C0 S7 = 55 S11 = 55 S0 = 0.
Second way:
> From the Control Panel, click the System icon.
> Move to the Device Manager tab.
> On the Ports (COM & LPT), select the port used by the modem
> Click the Properties button.
> Move to the Port Settings tab.
> In the Bits per second, with the contents of 921,600
Third:
Open the system.ini file
> Open the System.ini file located in C: Windows.
> In the [386Enh], add COM1Buffer = 16384. Change COM1 with port used by the modem.
Fourth:
In the Connection Settings Modem Hp Smart or Smart Smart Connections setting not just use the user and password:
> Smart dial up to * 777 But it could also use:
> User and password: wap - dial up: 222
> User and password: cdma - dial up: * 777 #
> * 99 # or * 31 * 11111 #
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