Hi ..... I have recently got a Tata wimax connection ... I am not able to configure my voip device "motorola VT 2442" to access the internet.....

*plan - infinity 384kbps
*Setup --- powerDsine 3001 -> VT 2442 -> computer
* When i try to connect directly from computer to the modem I am able to access the internet
* Plz let me know the configurations that need to be made in the router ...... for Wan settings i have 3 options
1.DHCP(i tried this .... works for some time and then disconnects when i switch of my system)
2.Static( did not look into this option as i dont have a static ip assigned)
3.PPPoE(do not know if i need to use this)
*Plz help as i have used this router with you telecom,hathway & bsnl successfully.