Managed IT and VoIP phone systems in Nassau County
TeleData Services provides managed IT services and business phone systems in Nassau County, a short drive from its Hauppauge office. Nassau is a daily run from the Hauppauge office: Garden City, Mineola and the Hempstead business corridors in the morning, the North Shore and South Shore through the day.
Phones, IT, security and cabling from one team
Hosted VoIP and Teams calling
Cloud phone system with desk phones, softphones and the mobile app, or calling inside Microsoft Teams on TDS numbers. Numbers ported on a scheduled date.
Guardian managed IT
24/7 remote helpdesk, monitoring, patching, backup and Microsoft 365 support, with cybersecurity layered on top.
Cameras and door access
Site survey, NDAA compliant cameras, local or cloud recording and remote viewing.
Cabling and Wi-Fi
Copper and fiber drops, racks, wireless and in-building cellular, labelled and tested.
How TDS works in Nassau County
Nassau customers are often professional offices and practices in multi-tenant buildings, where cabling to the demarc, building management rules and shared risers decide how fast a phone or network job goes. TDS has done that work for years.
Who we serve here
- Medical, dental and specialty practices
- Law, accounting and insurance offices
- Union offices and funds
- Churches and religious schools
- Country clubs on the North and South Shore
Nassau sites are typically 30 to 45 minutes from the Hauppauge office outside of rush hour.
Neighborhoods and towns
On-site installs and service across Nassau County, including:
- Garden City, Mineola and Westbury
- Hempstead, Uniondale and Freeport
- Great Neck, Manhasset and Port Washington
- Oyster Bay, Syosset and Plainview
- Long Beach, Oceanside and Rockville Centre
- Valley Stream and the Five Towns
Asked in Nassau County
Can you handle a multi-tenant office building?
Yes. TDS coordinates with building management for riser access, demarc extensions and after-hours work, and labels every drop so the next tenant change is simple.
Do you port numbers from the big carriers?
Yes. Number porting from any carrier is part of every Hosted VoIP install, on a scheduled cut-over date.
Do you also work outside Nassau County?
Yes. TDS covers Long Island and all five boroughs daily, and installs and services customer sites in 42 states.
What clients say
Live Google reviews from TeleData Services customers.
Need a technician in Nassau County?
Tell us the address and what is not working. A TDS rep calls back with next steps and a written quote.