Skip to navigation Skip to content

Home
Checkout

Search for:

TelephoneSystemsDirect

Take Control of Your Communications

$2,825.00 1 item

Home
Business Phone Service
E-MetroTel IP and Digital Telephone System
Work From Home Solutions
Yealink VoIP Phones

Home
Business Phone Service
Plug And Play Telephone Systems
NEC SL2100 Phone System
Work From Home Solutions
Samsung OfficeServ Telephone System
NEC SL1100 Telephone System
NEC DSX Telephone Systems

Home / Yeastar

“Yeastar P-550 VoIP Phone System 4 CO 4 Extension Plug and Play” has been added to your cart. View cart

Yeastar

Showing the single result

Yeastar P-550 VoIP Phone System 4 CO 4 Extension Plug and Play
$2,825.00 Add to cart

Showing the single result

Contact Us: 407-818-1997

Categories

Business Phone Service
Plug And Play Telephone Systems
E-MetroTel IP and Digital Telephone System
NEC SL2100 Phone System
Work From Home Solutions
Yealink VoIP Phones

Discontinued Phone Systems

Samsung OfficeServ Telephone System
NEC SL1100 Telephone System
NEC DSX Telephone Systems
NEC SV9100 Hybrid Telephone System

Store Pages

Checkout
My account
Privacy Policy
Refund and Returns Policy

Business Phone Service For 4 Users

Intermedia Phone Service

Affordable alternative to traditional phone lines.

Get started quickly using your current phone number and preconfigured phones

No long term commitments

Remote Support

Customer Support

My account
Refund and Returns Policy
Privacy Policy

Yeastar Articles

P-Series V24.2 GA Updates: Connect CDR to BI, Selectable LLMs and AI Handoff with Context
Contact Center & Call Center Playbook (2026), Elevate Communication with Cloud, AI & Omnichannel
P-Series V24.2 BETA Updates: Connect CDR to BI, Selectable LLMs and AI Handoff with Context
P-Series V24.1 GA Updates: Enhanced Queue Call Logs, Microsoft AD Avatar Sync & More
3CX vs FreePBX: Which PBX System Is Better for Your Business?

Intermedia Articles

If a Price Increase is Forcing a Decision, Make Sure It’s the Right One
AI in Customer Service: How AI Is Improving Customer Experience in 2026
What Is a Phone Tree and How Do You Set One Up?
How AI Agent Automation is Replacing Legacy IVR in Modern Contact Centers
How AI Phone Answering Works (And Why Small Businesses Overlook It)

Latest Blog Posts

Samsung OfficeServ Device Manager doesn’t recognize Java
NEC SL1100 Manuals
NEC SL2100 Station Swap
NEC DSX Telephone System Manuals
Default IP address of the NEC SL2100

© TelephoneSystemsDirect 2026
Privacy PolicyBuilt with WooCommerce.

My Account
Search

Search for:
Cart 1