Emergency support is available during off hours.
Customers may leave a message and an on-call support associate will call them back.
For your convenience, MMS offers After Hours Support before and after working hours. Should you need assistance on an urgent matter,
please call our Support Center, you will have the option to leave a detailed message on our After Hours Support Mail Box. Our technician will reach back to you within the hour.
(516) 408-3999 or (866) 495-3999
|Monday-Friday||8:00 AM - 9:00 PM|
|Saturday||9:00 AM - 05:00 PM|
|Sunday||10:00 AM - 05:00 PM|