Find out how to get an arbitrator appointed and the appointment process. Asp for case information.Disputes can be settled out of court through arbitration. It can be voluntary or mandatory, depending on the circumstances. JAMS handles over 19,000 cases annually, ranging from two-party matters to complex, multi-million-dollar disputes. Phoenix Arbitration Agreement Dispute Lawyer: Zanes Law has a proven track record of success with decades of experience. Call for a free consultation today.