
A Complete PBX System, Plus More Possibilities
Customer expectations have soared. Purpose-built for SMEs to fulfill more sophisticated communication needs, P-Series PBX System is a converged system to wrap a suite of services around, including voice, video, applications, collaboration, and more.
- Cloud-based and on-premises options
- An easy approach to fill the UC gap
- Optimized experience built for everyone
- Embrace boundless communications
Linkus UC Clients: Any Device, Anywhere
Driven through a set of applications for web browsers, Android, iOS, Windows and Mac,Linkus UC Clients enable P-Series PBX users to make audio and video calls right from the web browser as well as easily turn mobile phones and desktops into office extensions. Use Linkus UC Clients to stay connected and productive whether you are in the office, on the go, or working from home.
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- All office extension features
- One number reach on any device
- See the status of your colleagues
- One-on-one or group chat with file sharing
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- Play voicemails or transcribe them
- Click to call from any web pages
- Company-wide & personal contacts
- Secure remote access via Yeastar supplied domain name

Integrated Video Conferencing: Interact and Collaborate in Real-time
Not only large enterprises, SMEs also need face-to-face conversations to bring teams and customers closer together regardless of their locations. P-Series PBX System introduces an integrated web-based video conferencing solution with screen sharing and team chat for SMEs to easily conduct multi-party virtual meetings – a smarter way to get things done quicker, enhance team collaboration, and build stronger business relationships.
- Initiate and participate meetings right from the browser
- No need for additional applications and plugins
- Invite your colleagues and clients via meeting links
- Hear and see other participants in full HD
- Share your screen for live presentation
- Group chat instantly in the sidebar
Economical Call Center Solution
Call center telephony for SMEs doesn’t have to be expensive or complex. P-Series PBX introduces an inbound call center solution tailored for SMEs to optimize agent productivity and boost customer satisfaction in a budget-friendly way.

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ACD
Route incoming calls to the proper queue and the right, available agent based on certain strategies you set up.
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IVR
Paired with ACD, IVR prompts callers to their desired destinations with customized rules, helping SMEs handle high volumes of incoming calls.
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Call Recording
Keep track of every phone conversation to improve the performance of your agents or for compliance with regulatory requirements.
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Queue Panel
View real-time display of incoming calls, agent status and other queue-related statistics to help you efficiently handle the calls.
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Wallboard
For agents and supervisors to intuitively monitor agent & queue activities in real time and quickly identify any possible issues.
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Reports
Use detailed statistical reports for multi-dimension performance measurement and gain in-depth in sights on efficiency improvement.
More Reasons That People Love about P-Series
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The Full Feature List:
From the Must-Haves to the Nice-to-Haves
With a lengthy list of features, P-Series PBX System is able to do a lot more than you expect it to, covering everything SMEs would ask for in daily business communications. Some advanced features are accessible through easy subscriptions as follows .The Basic Plan is included in the appliance while the Enterprise and Ultimate Plan require additional subscription. (See the subscription pricing for different appliance models here.) The Cloud and Software Edition are available in Enterprise Plan and Ultimate Plan.
Deployment Mode | Standard PlanAppliance | Enterprise PlanAppliance,Software,Cloud | Ultimate PlanAppliance,Software,Cloud |
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Telephony Features | ![]() |
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AutoCLIP | ![]() |
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Call Routing | ![]() |
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Call Forwarding | ![]() |
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Call Monitoring | ![]() |
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Call Parking | ![]() |
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Call Pickup | ![]() |
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Call Recording | ![]() |
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Call Flip | ![]() |
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Call Switch | ![]() |
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Call Transfer | ![]() |
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Call Waiting | ![]() |
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Caller ID | ![]() |
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Conference Rooms | ![]() |
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Speed Dial | ![]() |
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Dial by Name | ![]() |
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DNIS | ![]() |
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DID (Direct Inward Dialing) | ![]() |
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DND (Do Not Disturb) | ![]() |
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DOD (Direct Outward Dialing) | ![]() |
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CID-based & DID-based Call | ![]() |
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Allowed/Blocked Number | ![]() |
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Deployment Mode | Standard PlanAppliance | Enterprise PlanAppliance,Software,Cloud | Ultimate PlanAppliance,Software,Cloud |
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Business Features | ![]() |
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IVR | ![]() |
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Queue | ![]() |
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Ring Group | ![]() |
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Paging & Intercom | ![]() |
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Operator Panel | ![]() |
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Monitor Call Status (Inbound/Outbound) | ![]() |
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Monitor Presence Status (Extension, Ring Group, Queue, Parking Slot) |
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Drag & drop Dispatch Call | ![]() |
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Advanced Call Control | ![]() |
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Custom Prompts | ![]() |
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Distinctive Ringtone | ![]() |
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Music on Hold | ![]() |
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MOH Playlist & Streaming | ![]() |
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PIN List | ![]() |
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BLF Support | ![]() |
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LDAP Server | ![]() |
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T.38 Fax | ![]() |
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Remote Extensions | ![]() |
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Business Hours & Holidays | ![]() |
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Emergency Number | ![]() |
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Emergency Notifications | ![]() |
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CDR & Basic Reports | ![]() |
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Deployment Mode | Standard PlanAppliance | Enterprise PlanAppliance,Software,Cloud | Ultimate PlanAppliance,Software,Cloud |
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Administration & Security | ![]() |
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Web-based Management Portal | ![]() |
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Graphical Dashboard | ![]() |
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Auto Provisioning | ![]() |
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Bulk Import & Export | ![]() |
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Extension Directory | ![]() |
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Group & Organization | ![]() |
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User Role & Permissions | ![]() |
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Operation Logs | ![]() |
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Event Logs & Notifications | ![]() |
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Backup and Restore | ![]() |
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Troubleshooting | ![]() |
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Built-in SMTP Server | ![]() |
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Network Drive | ![]() |
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AMI | ![]() |
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Remote Management | ![]() |
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Hot Standby Supported on the Appliance & Software Edition. |
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Security | ![]() |
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Password Policy Enforcement | ![]() |
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Auto Defense | ![]() |
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Static Defense | ![]() |
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IP Blocklist | ![]() |
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Security Alerts via Email | ![]() |
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Outbound call frequency restriction | ![]() |
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Deployment Mode | Standard PlanAppliance | Enterprise PlanAppliance,Software,Cloud | Ultimate PlanAppliance,Software,Cloud |
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Unified Communications | ![]() |
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Linkus UC Clients | ![]() |
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Web Client | ![]() |
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Mobile Client (iOS & Android) | ![]() |
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Desktop Client (Windows & MacOS) | ![]() |
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Google Chrome Extension | ![]() |
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Presence | ![]() |
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Native Contact Management (Personal Contacts, Company Contacts) |
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Audio Conferencing | ![]() |
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WebRTC Audio Call | ![]() |
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Function Keys on Web Client | ![]() |
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CTI | ![]() |
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Select & Dial with Hotkey on Desktop Client | ![]() |
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Voicemail | ![]() |
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Voicemail Transcription | ![]() |
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Group Voicemail | ![]() |
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Voicemail to Email | ![]() |
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Pop-up URL | ![]() |
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Microsoft Teams Integration | ![]() |
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Deployment Mode | Standard PlanAppliance | Enterprise PlanAppliance,Software,Cloud | Ultimate PlanAppliance,Software,Cloud |
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Instant Messaging | ![]() |
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Personal and Group Chat | ![]() |
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File Sharing | ![]() |
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Rich Emojis | ![]() |
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Cross-client Synchronization | ![]() |
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NOTE:-Since the Cloud Edition is inherently accessible from anywhere, Remote Access Service is only for the Appliance & Software Edition
Deployment Mode | Standard PlanAppliance | Enterprise PlanAppliance,Software,Cloud | Ultimate PlanAppliance,Software,Cloud |
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Remote Access Service | ![]() |
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Custom PBX Domain Name (FQDN) | ![]() |
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PBX Web Portal Remote Access | ![]() |
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Linkus UC Clients Remote Connection | ![]() |
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LDAP Server Remote Access | ![]() |
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Function-based Security Control | ![]() |
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NOTE:-Since the Cloud Edition is inherently accessible from anywhere, Remote SIP Service is only for the Appliance & Software Edition.
Deployment Mode | Standard PlanAppliance | Enterprise PlanAppliance,Software,Cloud | Ultimate PlanAppliance,Software,Cloud |
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Remote SIP Service | ![]() |
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Private & Secure Tunnel | ![]() |
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Easy Remote SIP Endpoints Registration
NOTE:-Register your remote IP phones, branch office PBXs, VoIP gateways, and alike remote SIP endpoints to the PBX easily as if they were deployed on your PBX's intranet. |
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Granular Security Control | ![]() |
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No Port Portwarding & NAT Issues | ![]() |
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Deployment Mode | Standard PlanAppliance | Enterprise PlanAppliance,Software,Cloud | Ultimate PlanAppliance,Software,Cloud |
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Call Center | ![]() |
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Switchboard-type Queue Panel | ![]() |
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Queue Callback for Reduced Call Abandonment | ![]() |
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Real-time Metrics on Wallboard | ![]() |
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SLA for Performance Measurement | ![]() |
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Insightful Call Center Reports | ![]() |
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Deployment Mode | Standard PlanAppliance | Enterprise PlanAppliance,Software,Cloud | Ultimate PlanAppliance,Software,Cloud |
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Phonebooks | ![]() |
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PBX-native Contacts Management | ![]() |
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Separate Permission Control Per Phonebook | ![]() |
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CRM Contacts Synchronization | ![]() |
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Deployment Mode | Standard PlanAppliance | Enterprise PlanAppliance,Software,Cloud | Ultimate PlanAppliance,Software,Cloud |
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Call Accounting | ![]() |
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Custom Rates Applied to Outbound Calls | ![]() |
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Analysis Report on Telecom Expenses | ![]() |
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Deployment Mode | Standard PlanAppliance | Enterprise PlanAppliance,Software,Cloud | Ultimate PlanAppliance,Software,Cloud |
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CRM Integration | ![]() |
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Incoming Call Popups | ![]() |
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Auto Call Journal | ![]() |
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Click to Call CRM Contacts | ![]() |
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Hassle-free Integration | ![]() |
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Support for Zoho, Salesforce, and HubSpot | ![]() |
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Deployment Mode | Standard PlanAppliance | Enterprise PlanAppliance,Software,Cloud | Ultimate PlanAppliance,Software,Cloud |
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Microsoft Azure AD Integration | ![]() |
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User & Group Synchronization | ![]() |
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Auto Extension Assignment for New User | ![]() |
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Single Sign-on (SSO) | ![]() |
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Faster and Easier Administration | ![]() |
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Deployment Mode | Standard PlanAppliance | Enterprise PlanAppliance,Software,Cloud | Ultimate PlanAppliance,Software,Cloud |
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API | ![]() |
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PBX Configuration | ![]() |
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Call Control | ![]() |
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uaCSTA Control | ![]() |
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Event Notification | ![]() |
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Deployment Mode | Standard PlanAppliance | Enterprise PlanAppliance,Software,Cloud | Ultimate PlanAppliance,Software,Cloud |
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Windows Active Directory Integration | ![]() |
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User, Organization Unit, Group Synchronization | ![]() |
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Auto Extension Assignment for New User | ![]() |
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Single Sign-on (SSO) | ![]() |
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Faster and Easier Administration | ![]() |
Deployment Mode | Standard PlanAppliance | Enterprise PlanAppliance,Software,Cloud | Ultimate PlanAppliance,Software,Cloud |
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Video Conferencing | ![]() |
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Bulk Email & Instant Link Invitation | ![]() |
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HD Audio and Video | ![]() |
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Screen Sharing | ![]() |
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In-meeting Team Chat | ![]() |
Deployment Mode | Standard PlanAppliance | Enterprise PlanAppliance,Software,Cloud | Ultimate PlanAppliance,Software,Cloud |
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WebRTC Video Calls | ![]() |
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Integrated 1:1 Video on Web Client | ![]() |
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Seamless Video/Audio Call Switch | ![]() |
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HD Audio and Video | ![]() |
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Shrinkable Call Window | ![]() |
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