NetGear DGN1000 Modem + Router : Connection drops frequently

Hi I have bought a NetGear DGN1000 ADSL 2+ modem & router. I have configured it and connected to internet. I use this to connect to my office VPN. Once i Connect to my office VPN, the connection drops frequently. Is there any particular setting i should do.

also i noticed the noise in the telephone are increased huge. Is there anything i can do to avoid this.

Pls help. Thanks in advance

Use ADSL splitter : for all Non BB connections.

i noticed the noise in the telephone are increased huge

Check snr and attn:
http://i51.tinypic.com/2441h0y.jpg
Feedback.

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