Shamurai,

Thank you for visiting the Dell Community Forum.

I am sorry but based off of the information in this post, it would be difficult for someone to provide any specific technical or trouble-shooting information pertaining to your question. Please reply and include a detailed and specific description of your issue or question including as much information as possible. This can include (but is not limited to) what type of system, operating system and modem you are using. What ISP are you attempting to connect to. A step-by-step walk through of the process that you are following and the exact text of any error messages or responses that you get. Please be as detailed and specific as possible, the more information provided concerning the issue/question, the more likely someone will have applicable advice.

Below are some basic modem trouble-shooting steps for no dial tone issues that you may want to look at:

What are some general steps I can follow to troubleshoot a "No Dial Tone" error on a Dell™ Dimension™ computer when trying to dial out on a modem?
http://support.dell.com/us/en/kb/document.asp?dn=1057352