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VERIFONE VX520 Terminals (IP and DIAL UP) VMAC Issue

Due to a VMAC CommServer/Certificate issue with the Verifone VX520 terminals, IF YOU HAVE NOT SPOKEN TO SOMEONE FROM OMEGA PROCESSING ON OR AFTER JUNE 3rd, 2019, TO DO THE PARTIAL DOWNLOAD NEEDED TO FIX THIS ISSUE, go to the appropriate link below (Either IP or DIAL UP, depending on how your terminal gets it’s communication connection), and follow the step by step instructions to update your terminal immediately! 

These updates are quick, it should only take 5 minutes or less per terminal to get updated.  

Your Terminal(s) MUST HAVE this PARTIAL download patch done BEFORE JUNE 25th to ensure they will remain working.  

If you run in to any problems, and are not able to successfully complete the VMAC Patch Download, please call OMEGA Customer Support at 1-866-888-9724, Ext 7 and as soon as a CS Rep is available, we will assist you in getting it completed.

Download these instructions for IP terminals

Download these instructions for Dial-Up terminals


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Celebrating our 15th year of operation, OMEGA is a premium provider of electronic payments processing and data delivery. We deliver card processing, B2B and e-commerce payment solutions, mobile pay, POS systems, gift card and customer loyalty programs, and capital funding to thousands of businesses across the United States.
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OMEGA offers secure and cost-effective 
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Looking for a smarter way to run your 
business? OMEGA's POS systems enhance 
the customer experience, and provide
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Our B2B credit card processing solutions can help 
streamline your finance and business operations.
Plus, our e-commerce tools allow you to accept 
credit card payments directly from your website.


"OMEGA Processing's quick response and focus on service and cost effectiveness is outstanding. I would recommend OMEGA to any of my colleagues with a dental or medical practice."

John Strief, D.D.S.
"We always receive top-notch service from OMEGA. Reps return calls/emails quickly and either have answers or can find them almost immediately. Keep up the great work!"

Sumerel Tire Service, Inc. 
"The responsiveness of our sales representative was outstanding and she was able to come to our business several times to assist with the transition. Your pricing and the product features were also outstanding."

Halmar Corporation 
"I was so impressed with Julianne from your Customer Service Department, with whom I worked this morning. She was patient, kind and knowledgeable. Really a huge help to me!"

Relogistics LLC
"We really appreciate OMEGA Processing's Online Merchant Portal. It's very easy to access and, most importantly, it's easy to understand. OMEGA's way of doing things is so much easier than our prior processor!"

Swain's Furniture
"I wanted to tell you what amazing sales and support team you have. I worked with Dennis and Becca and they are amazing! We really appreciate the service and follow up service we receive from both of them. As small business owners that personal touch means a lot. Again thank you for your team's great customer service before and after the sale."

Hoover Chiropractic Clinic
"I love that I can call, speak to a person on a personal level who is friendly and always takes time to help. Statements are clear and easy to understand."

Expert Auto Service Inc. 
"When we were considering switching to OMEGA for our credit card processing, our Account Rep spent a lot of time explaining the savings we could expect and why. He explained how to read the monthly statements and what the process would be for switching. He answered all of my questions patiently and completely. The process could not have been easier."

Horton Family Dental
"Our representative has been excellent to work with. If I ever call, she either answers or calls me back just a couple of minutes later. She's saved me a ton of money, and the service is excellent."




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OMEGA Processing Solutions is a registered ISO/MSP of Deutsche Bank Trust Company Americas, New York, New York.
 OMEGA Processing Solutions is a registered ISO/MSP of Woodforest National Bank, Houston, Texas