Business Phone Systems for Jericho & Syosset Companies
Advanced Hosted Services designs, installs and supports cloud phone systems for businesses in Jericho & Syosset, including the Jericho Quadrangle, the offices along Jericho Turnpike and the office parks near the Long Island Expressway in Syosset. We work with corporate headquarters, financial and accounting firms, and professional services, and our own Long Island technicians install and service every system in person.
Why Jericho & Syosset Businesses Choose AHS
Local to Nassau County
Our technicians are based in Farmingdale. Jericho & Syosset is a short drive from our Farmingdale office, so on-site installation, training and service visits are quick to schedule.
Live Support, 24×7
Call any time, day or night, and reach a real person on our own support team. No overseas call centers and no ticket queues.
Veteran-Owned
AHS is a New York State–certified Service-Disabled Veteran-Owned Business (SDVOB), listed with the NYS Office of General Services.
Yealink Phones and Cloud Phone Service in Jericho & Syosset
Every plan includes a Yealink business desk phone, the Yealink T73W, T74W or T85W, set up with your extensions and call routing and installed by our own technicians. Add Yealink cordless phones and headsets for staff who move around, and connect your Yealink phones to our hosted PBX, the Sentry AI virtual agent, Microsoft Teams calling, the Omni Response call center or SIP trunking for an existing system, plus structured cabling and fiber.
Plans start at $25.25 per phone per month, including a Yealink desk phone, unlimited nationwide calling, voicemail to email and all standard features. Minimum of 4 phones.
Jericho & Syosset Business Phone FAQ
Our firm has offices in Jericho or Syosset and other locations. Can they work as one system?
Yes. Every office joins one hosted phone system, so staff dial each other by extension, transfer calls between offices and share one auto attendant and one bill.
Do you provide business phone service in Jericho & Syosset?
Yes. Advanced Hosted Services provides hosted PBX, business VoIP and Microsoft Teams calling to businesses throughout Jericho & Syosset and the rest of Nassau County, from our office in Farmingdale. We are also licensed in all 50 states and serve businesses nationwide.
Do you install phone systems on-site in Jericho & Syosset?
Yes. Our own technicians install and program your phones on-site and train your staff. Jericho & Syosset is a short drive from our Farmingdale office, so installations and service visits are easy to schedule.
Can I keep my 516 business phone numbers?
Yes. We transfer your existing 516 local numbers and toll-free numbers to our service, so your customers keep calling the same numbers.
Is support handled locally?
Yes. Live support is available 24×7 from our own team on Long Island, not an overseas call center.
Upgrade Your Jericho & Syosset Office Phones
Tell us how many phones you need and we’ll build a plan around your business. Prefer to talk? Call 1-833-467-8331, any time.


