Forms Welcome to the SPARK VoIP forms page. Here you’ll find everything you’ll need to start with our products and services. If you need any assistance, our team is happy to assist you with any questions. Please feel free to contact us. 3CX 3CX New Order Form 3CX System Info / Call Flow Create New Extension Authorizations Letter of Authorization Credit Card Authorization Fax Service Request ACH Authorization Agreements SPARK VoIP 90 Day Terms of Service Business Associate Agreement International Calling Agreement Referal Incentive Agreement SPARK VoIP SLA SPARK VoIP NDA