I was lucky in that the calls were long distance. I had to cut off her funding. OM actually gave her a cell phone from long distance. I found it and ran over it with the Tahoe. I was able to leave her penniless so she could not buy phone cards. Affairs cost money. Cut off the money and you cut off the A.
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Once you become indifferent, it's time to walk.
I hope you won't mind my butting in here, drgnfly and piojitos. I'm a very unhappy survivor of repeated contact and I want to urge you to "walk', in some way drgnfly, LONG before you reach the stage of indifference. Before you reach indifference you will go through mental breakdown. You cannot afford to let that happen.
I don't think that there is any way to stop a WS from making contact. It does not matter what transparency skald offers drgnfly. As she says, he knows OW's number and he can contact her any time he likes. He can do so from work by phone or internet. He can use a public phone or an internet cafe. He can set up an email account that he only accesses when he is out of the house. Although he has given you access to his mobile phone, he can get a secret mobile and keep it at work, where drgnfly has no access.
Why should drgnfly even think of monitoring all these kinds of activities? BSs should not act as policemen. If skald wants to contact OW he should know that he is free to do so. drgnfly should let him get on with his relationship and end hers with him until he no longer wants to contact OW. drgnfly, why would you want to force someone to be with you if he wants to be with someone else? Forcibly cutting off contact is forcing him to give up OW. Surely you want him to WANT to give her up. He does not want that yet.
What he says about sitting outside your house etc. shows that he wants you and his marriage, but his calls to OW show that he wants her too. His refusal to "let you give up on him" (or however he is putting it) shouldn't affect your decision to stay away from a man who wants to be with a woman other than you.
I don't quite agree with piojitos that cutting off money from a non-earning spouse cuts off the affair. In these days of the internet it is perfectly possible to have daily contact with no money at all.
I live in England. Here, local authorities provide free internet access for one hour per day to each library member, at branch libraries. Our libraries are open 7 days per week.
I have no internet at home, but I can use my library ticket, and my two children's, and so get up to three hours' free internet use a day. I don't actually have to have my ticket on my person; I log in using a membership number and pin. It would be hard for a working husband such as you, pio, to monitor your stay-at home-mum wife and stop her going out for one hour (or even 20 minutes to quickly check and send a message).
If any such free internet system exists where you were living when the affair was discovered pio, it was possible and easy for your W to keep in daily contact.
Spying on a suspected WS is necessary for a BS, so that she knows what is going on and can plan her future.
Policing a WS and trying to force NC is degrading and ultimately self-defeating.
I don't have any advice on Plans B or D for you, drgnfly, but I know, from bitter experience, that you will facilitate skald's contact if you continue as you have been. You did not know how he felt about OW and whether he was contacting her until now, so you had no choice but to go with his words. Now you know that he has been disguising his feelings even while posting here and seemingly committing to recovery. There is no reason to believe that this won't happen again, now.
I don't have time to post my story of my H's repeated contact with his OW, but if you check my posts you will see the story in the first few, on tully's thread.
You don't deserve this, drgnfly. My heart goes out to you.