Tech Support

Normal Support Hours

08:00 – 17:30 MST
Monday through Friday, excluding company holidays

For ALL Support Requests

Initial Contact

Main USDD Number: +1 602-687-1730 or
Toll-free: +1 877-551-8733
Email: support@usdd.com

During Normal Business Hours

This call will be answered and routed to an available support professional. If no personnel are available, you will be offered the ability to leave a voice mail message. This message will be emailed to all engineering and support personnel.

After Normal Business Hours

If the failure affects all alerting at a station, all alerting system-wide, or VoiceAlert over Radio, select the Support option from the telephone menu. This will forward your call to the on-call support engineer.

If No Answer or Callback

Please see our Emergency Contacts page.