P-Series Appliance Edition

On-Premise IP PBX System

A reliable, secure and feature-rich IP PBX system for small and medium businesses — unifying business communication and customer engagement in one on-premise platform.

650,000+  Yeastar PBXs installed across 120+ countries worldwide
The Lineup

Explore our IP PBX lineup. Find the perfect fit.

Four appliance models scale from small teams to growing multi-site businesses. Compare capacities and pick the P-Series appliance that fits you best.

Yeastar P520 left view Yeastar P520 right view Yeastar P520 front view Yeastar P520 back view

Yeastar P520

  • Base / Max Users20
  • Max Concurrent Calls10
  • Max FXS Ports4
  • Max FXO / BRI Ports4
  • Max 3G / 4G Ports1
  • Max E1 / T1 / J1 Ports

*Availability subject to regional sales policy.

Yeastar P550 left view Yeastar P550 right view Yeastar P550 front view Yeastar P550 back view

Yeastar P550

  • Base / Max Users50
  • Max Concurrent Calls25
  • Max FXS Ports8
  • Max FXO / BRI Ports8
  • Max 3G / 4G Ports4
  • Max E1 / T1 / J1 Ports

*Availability subject to regional sales policy.

Yeastar P560 left view Yeastar P560 right view Yeastar P560 front view Yeastar P560 back view

Yeastar P560

  • Base / Max Users100 / 200
  • Max Concurrent Calls30 / 60
  • Max FXS Ports8
  • Max FXO / BRI Ports8
  • Max 3G / 4G Ports4
  • Max E1 / T1 / J1 Ports1

*Capacity shown as base / maximum with DSP expansion.

Yeastar P570 left view Yeastar P570 right view Yeastar P570 front view Yeastar P570 back view

Yeastar P570

  • Base / Max Users300 / 500
  • Max Concurrent Calls60 / 120
  • Max FXS Ports16
  • Max FXO / BRI Ports16
  • Max 3G / 4G Ports6
  • Max E1 / T1 / J1 Ports2

*Capacity shown as base / maximum with DSP expansion.

Flexible & Modular

Flexible Modular Design. Scalability Made Easy.

The telephony interfaces are fully modular and customizable. Add telephony modules, expansion boards and DSP modules to grow interfaces and system capacity as your needs change.

Telephony modules icon

Telephony Modules

  • S2 — 2 FXS ports for 2 analog phones
  • O2 — 2 FXO ports for 2 analog PSTN lines
  • SO — 1 FXS + 1 FXO for PSTN fallback
  • B2 — 2 NT/TE BRI ports
  • 3G — 1 channel for voice calls
  • 4G LTE — 4G cellular data on SIM card
Add telephony interfaces icon

Add Telephony Interfaces

For more interfaces, add expansion boards. EX08 offers 4 onboard module slots and 8 panel interfaces, while EX30 adds 1 onboard E1/T1/PRI port. The P560 supports one expansion board and the P570 supports two.

Expand system capacity icon

Expand System Capacity

As your business grows, add users and concurrent calls with ease. Each DSP module adds 100 VoIP users and 30 concurrent calls — up to 1 DSP module on the P560 and up to 2 on the P570.

Yeastar P-Series flexible modular design
One Platform

Voice, Video, Message & Customer Experience — in One IP PBX

Linkus UC Clients

Linkus UC Clients

A feature-rich UC app for seamless collaboration — available on web, desktop and mobile.

Operator Panel

Operator Panel

Real-time visibility into call flows, with easy drag-and-drop call dispatching.

Call Center Console

Call Center Console

Equip agents and supervisors with IVR, Operator Panel, Wallboard and more.

Remote Working

Remote Working

Work from anywhere and stay connected with secure remote access.

Omnichannel Messaging

Omnichannel Messaging

Go beyond voice — engage customers through Live Chat and multiple messaging channels.

Video Conferencing

Video Conferencing

Meet face-to-face with HD audio and video, right from the platform.

Reliability · Flexibility · Security

The Perfect Blend of IP PBX Reliability, Flexibility & Security

  • Call Flow Designer — build call flows with a simple drag-and-drop interface
  • Intuitive user interface — easy to adopt, use and manage
  • Queue Callback, Call Flip, Call Recording and much more
  • Compatibility tested with 210+ ITSPs worldwide
  • IP phone auto-provisioning for 500+ models
  • Interoperable with PSTN, ISDN, E1/T1/PRI and analog
  • Hot Standby — dual-server redundancy with real-time data sync
  • Multi-layer security — 2FA, Auto & Static Defense and more
The perfect IP PBX — reliability, flexibility and security
Yeastar IP PBX integrations
Ecosystem

Robust, Ready-Made IP PBX Integrations

Connect the Yeastar IP PBX to collaboration tools, CRM, helpdesk platforms and more to enhance your existing infrastructure. A robust app ecosystem delivers the flexibility and tailored experiences your business needs.

Industry Ready

Ready to Empower Any Industry

Yeastar IP PBX for Hospitality

Hospitality

A comprehensive hospitality solution to automate workflows, streamline operations and elevate guest experiences.

Yeastar IP PBX for Education

Education

Secure, reliable school and campus communications that bring students and faculty together anywhere, anytime.

Yeastar IP PBX for Healthcare

Healthcare

Instant communication between doctors, nurses, administrators and staff — improving patient experience with faster response.

Yeastar IP PBX for Government

Government

A user-friendly, reliable and cost-effective phone system to upgrade agency communications and boost productivity.

For Partners

Central Management for Partners

Reach, manage and monitor your fleet of customer-premise PBXs with ease. A fully-fledged remote management portal gives partners PBX monitoring, task management and more.

  • Status Dashboard & PBX List
  • Bulk PBX Auto-provisioning
  • 24/7 Monitoring & Alerts
  • One-click Remote Access
Yeastar Central Management for partners
Plans & Features

Determine Which Plan Suits You Best

The P-Series Appliance Edition is available in three plans, each complemented by a wide range of powerful IP PBX features. Higher tiers add customer-engagement, integration and AI capabilities.

Standard Plan
Enterprise Plan
Ultimate Plan
Deployment Mode
Appliance
Appliance, Software, Cloud
Appliance, Software, Cloud
Included with the appliance
Call Forwarding
Call Monitoring (Listen/Whisper/Barge-in)
Call Parking
Call Pickup
Call Transfer (Attended/Blind)
Call Waiting
Call Flip/Switch
IVR (Multi-level/Multi-lingual/Time-based)
Queue
Ring Group
Paging & Intercom
Conference Rooms
Advanced CDR & Basic Reports
Dial by Name
AutoCLIP
Caller ID
CID-based & DID-based Call Routing
DID (Direct Inward Dialing)
DND (Do Not Disturb)
DOD (Direct Outward Dialing)
DNIS
Call Recording
Call Allow/Block List
Call Disposition
BLF Support
Busy Camp-on
Business Hours & Holidays
Boss-Secretary
Custom Prompts
Distinctive Ringtone
Music on Hold
MOH Playlist & Streaming
T.38 Fax
TAPI Driver
Fax to Email
Call Follow-Up via Email
Voicemail
Group Voicemail
LDAP Server
PIN List
Speed Dial
Emergency Number
Emergency Notifications
SIP Forking
IP Phone Concurrent Registrations
CTI for Desk Phone Control
Function Keys
Hotkeys
Web-based Management Portal
Graphical Dashboard
Auto Provisioning
Bulk Import & Export
Extension Group & Organization
User Role & Permission
QoS Monitoring
Operation Logs
Event Logs
Event Notifications
Backup and Restore
Troubleshooting
Built-in SMTP Server
AMI (Asterisk Manager Interface)
Network Drive
SNMP Support
APIs
Hot Standby
SRTP & TLS Call Encryption
Auto & Static Defense
Global Anti-hacking IP Blocklist
Certificates
Password Policy Enforcement
Two-factor Authentication (2FA)
Allowed Country IPs & Codes
Outbound Call Frequency Restriction
Linkus Web Client
Linkus Mobile Client (iOS & Android)
Linkus Desktop Client (Windows & macOS)
Linkus Google Chrome Extension
Operator Panel
Unlimited Users
Dispatch Active Calls (Redirect, Transfer, Hang up, Park, Monitor)
Monitor Call Status (Inbound, Outbound, Extension, Parked, Ring Group, Queue)
Unified Presence
Personal & Company Contacts
Audio Conferencing
Voicemail Transcription via Google Cloud STT
Call Pop-up URL
Door Phone Video Preview
PBX Configuration APIs
Call Control APIs
uaCSTA Control APIs
Event Notification APIs
Requires additional subscription
Sync Data to PostgreSQL, MySQL, Microsoft SQL
Custom Analysis on Grafana, Power BI, and Others
Ready-to-Use Dashboard Templates
1:1 or Group Chat with Colleagues
File & Image Sharing
Push Notification
Sync Across Linkus UC Clients
Custom PBX Domain Name (FQDN)
Remote & Secure PBX Web Portal Access
Linkus UC Clients Remote Connection
LDAP Server Remote Access
Hassle-free Remote SIP Registration
WebRTC Trunk
No Port Forwarding & NAT Issues
Advanced Skill-based Routing & Queue Callback
Switchboard-type Queue Panel
Real-time Wallboard
SLA Monitoring & Threshold Notifications
Insightful Call Center Reports
Custom Call Disposition Tags
Custom Contextual Remarks
Advanced Filter & Quick Searching
Cross-client Synchronization
Live Chat, SMS, WhatsApp, Facebook Integration
Central Message Inbox
Bulk Messaging (WhatsApp & SMS)
Automatic Contacts Matching
Message to Queue
Chat Assignment & Transfer
Elevate Chats to Calls in One Click
Message Detailed Records
Trunk SMS API for ITSP
Message API (available for all plans)
PBX-native Contacts Management
Separate Permission Control Per Phonebook
CRM Contacts Synchronization
Custom Rates Applied to Outbound Calls
Analysis Report on Telecom Expenses
Customize Reports with Datasets & Metrics
Monitor Personal Reports in One View
Call Lifetime Interaction Tracking
All Key Details in One Place
Context That Drives Action
Call Notification for Group Voicemails
Listen to Messages & Call Back Directly over the Phone
Never Miss an Urgent Message
Ideal to Support Emergency After-hour Services
Integration with Third-Party Fax Platforms
Fax Sending and Receiving
Fax to Email
Customizable Fax Cover Page
Supported CRMs: Zoho, Salesforce, Hubspot, Bitrix24, Odoo, Microsoft Dynamics 365
Click to Call
Auto Call Popup
Call Journal & Analytics
Contact Sync & Quick Searching
Auto & Manual Contact Creation
Supported Helpdesks: Zendesk and Zoho Desk
Auto Call Popup
Contact Sync & Quick Searching
Ticket & Contact Creation
Call Journal & Analytics
Microsoft Teams Integration
Outlook Integration
Microsoft Entra ID (Azure Active Directory)
User Sync & Single Sign-on (SSO)
Google Workspace User Sync
Single Sign-on (SSO)
Auto Create Extensions
Red Hat User Sync
Auto Create Extensions
Centralized Identity Management
Single Sign-on (SSO)
Support Microsoft SQL, LDAP Integration
Real-time Caller Lookup: Caller ID to Caller Name
Contacts Synchronization to PBX
Auto-route Callers Based on Phonebook Matches
Archive Files to External Servers
Call Recordings Archival
System Backups Archival
Supports FTP, SFTP, Amazon S3, Google Cloud Storage, SharePoint
Custom PBX Domain Name
Auto Domain Certificate Application
Auto Domain Certificate Renewal
Text-to-Speech
Voicemail Transcription
Drag-and-Drop Call Flow Design
Rich Ready-to-Use Components
Text-to-Speech Prompt
Seamless 3rd-Party System Integrations
Video Calls on Web Client
Video Calls on Desktop Client
Video Calls on Mobile Client
Bulk Email & Instant Link Invitation
HD Audio and Video
Screen Sharing
In-meeting Team Chat
User, Organization Unit, Group Synchronization
Auto Extension Assignment for New User
Single Sign-on (SSO)
Web/Browser SDK
Mobile & Pad SDKs: Android, iOS
Desktop SDKs: Windows, macOS
Secure Authentication with Tokens
Rich, Programmable Code Samples and UI
Optional
Optional
Optional
Intuitive Front Desk Operation Panel
Optional
Optional
Optional
Wake-up Call Management
Optional
Optional
Optional
Room and Housekeeping Status
Optional
Optional
Optional
Guest Stay History
Optional
Optional
Optional
Call Accounting and Service Billing
Optional
Optional
Optional
Hotel Settings
Optional
Optional
Optional
Optional
Optional
Optional
Room Status Synchronization
Optional
Optional
Optional
Wake-up Call Scheduling
Optional
Optional
Optional
Call Accounting & Minibar Charging
Optional
Optional
Optional
Guest Information and Room Move
Optional
Optional
Optional

Tap any feature to expand its details. Feature availability varies by model and plan — the P520 does not support API or Hotel PMS integration. Contact us for the complete, up-to-date plan and feature list.

FAQs

P-Series Appliance Edition — FAQs

What is the Yeastar P-Series Appliance Edition?+
It is the P-Series PBX System delivered as a plug-and-play on-premise hardware appliance for SMBs, unifying voice, video, messaging and customer engagement in one platform. It is available as the P520, P550, P560 and P570 models.
Which P-Series appliance model should I choose?+
The P520 suits up to 20 users, the P550 up to 50, the P560 up to 200, and the P570 up to 500 users with DSP expansion. Our team can help you size the right model for your call volume and interface needs.
Can I connect analog lines, PSTN or PRI trunks?+
Yes. The modular design supports FXS, FXO, BRI, 3G/4G and E1/T1/PRI interfaces through telephony modules and expansion boards, so you can connect analog phones, PSTN lines, cellular and digital trunks.
Is the P-Series Appliance Edition available in India?+
Yes. It is available through Cohesive Technologies, the authorized Yeastar distributor for India, Sri Lanka, Nepal and the Maldives. Call +91 120 4830000 or email sales@cohesiveglobal.com for pricing and stock.