Add fields & Links for each user

[Guest helpme]

I want to sale voip services online, and need to show following details on User Account Page.

Number : Phone No.

Deliver to : Phone No.

Activation Date : Date

Date of Expire : Date

Status : Active/Pending/Expired/None

Also can I add some more pages or links for each user if I want later, how?

Please help me to do this.