Please choose the best method of contact after considering your personal situation.
It goes without saying:
1. Don't use your cell phone if your spouse has access to your detailed call logs.
2. Don't use your computer/e-mail account if your spouse might have computer spyware on your computer.
A friend's cell phone is usually safe. Your work phone or work email is usually safe.
Most clients usually just call us from their cell phone and that usually doesn't present a problem; but, you should give it some thought.