IPs must make themselves available if clients need to speak to them. This is what they are paid to do!
I suggest that you e-mail your IP and tell him that you require him to provide you with a settlement figure based upon returning the original level of dividend you offered. This is a good starting platform for you to work from.
Sharing from experiences of dealing with debt
The greatness of a man is not in how much wealth he acquires, but in his integrity and his ability to affect those around him positively.
Bob Marley. http://kallis3.blogs.iva.co.uk