CUSTOMER SUPPORT

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  1. Multiple Telephone LInes with Optimum Voice® for Business
  2. What features come with Optimum Online for Business?
  3. Using Hunt Groups
  4. DVR with iO® for business
  5. Is E911 service available for business customers?
  6. Business Name Change or Service Takeover
  7. No contracts with Optimum Online® for Business
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  9. E911 with Optimum Voice
  10. Are sales tax & franchise fees included?
Contact Us: Hours of Operation Days
Sales - 1-800-613-9857 8:30 a.m. - 9 p.m. Monday - Friday
Customer Service - 1-866-575-8000 24 hours 7 days a week
Installation & Pending Surveys 8:30 a.m. - 5:30 p.m. Monday - Friday
Technical Support: Optimum Online, Optimum Voice and iO TV for Business 24 hours 7 days a week

OPTIMUM BUSINESS
USER GUIDE

Optimum Business Reference
Guide (PDF 3.3MB)

ALREADY A SIP CUSTOMER?

To get started, read the SIP Trunk Setup Guides, then select the guide for your phone from the list below

SIP Trunk Setup Guide

OPTIMUM BUSINESS IS CERTIFIED IN
THE FOLLOWING PHONE SYSTEMS:

Special offer details | Optimum Voice details | Optimum Online details