Contact Us

We're available to help with anything from support to sales and everything in between.

Request Free Consultation

We’re committed to providing exceptional support and resources.

We pride ourselves on support. 95% of all calls into customer care are answered in 30 seconds or less.

Call Us

For sales, billing, customer or technical support. Or, call your local sales office directly.

Sales and Support: (800) 399-4925
Texas Sales and Support: (866) 835-9378


Talk to a receptionist or dial a direct extension in our downtown Los Angeles corporate headquarters.

Corporate Headquarters: (213) 213-3000


Technical Support – Hosted PBX and Cloud Services: (855) 444-8722

Technical Support – UCx Services: (844) 488-2879

Technical Support – Fixed Wireless: (844) 488-2879


Former DSCI Customers – Call (877) 344-7441 for Customer Care, or get additional contact information


Carriers and resellers of network services. We offer a robust portfolio of wholesale services.

Wholesale Services: (866) 871-7673


Fraud and subpoena compliance.

Emergency Law Enforcement: (877) 487-8349, option 2


Toll Fraud, Call Annoyance, Subpoena Compliance and non-emergency law enforcement.

Non-Emergency: (866) 839-8545

Internet Abuse Complaints: (877) 702-2873

Online Support

Submit a Trouble Ticket via OneCentral Customer Portal
Having a technical support issue? Open a new trouble ticket here.

Submit a Trouble Ticket via Dash Customer Portal
Having a technical support issue with UCx? Open a new trouble ticket here.

User Guides
Setup instructions, FAQs, quick reference guides, and more.

Need help with something else?

Have a sales inquiry? Questions about something very specific? Or would like to provide us feedback?


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