CloudNerd IT Solution
Easily move between all the ways you collaborate and stay connected in a single app.
Encrypted off-premise connection in one click without extra VPN and firewall settings.
Simply install, login, then it works! The features & settings are in sync with your Yeastar PBX.
A reliable, secure, and feature-rich IP PBX system for SMBs. Unify business communication and customer engagement in one platform.
| Base Users / Max Users | | 20 |
| Max Concurrent Calls | | 10 |
| Max FXS Ports | | 4 |
| Max FXO/BRI Ports | | 4 |
| Max GSM/3G/4G Ports | | 1 |
| Max E1/T1/J1 Ports | | - |
| Base Users / Max Users | | 50 |
| Max Concurrent Calls | | 25 |
| Max FXS Ports | | 8 |
| Max FXO/BRI Ports | | 8 |
| Max GSM/3G/4G Ports | | 4 |
| Max E1/T1/J1 Ports | | - |
| Base Users / Max Users | | 100/200 |
| Max Concurrent Calls | | 30/60 |
| Max FXS Ports | | 8 |
| Max FXO/BRI Ports | | 8 |
| Max GSM/3G/4G Ports | | 4 |
| Max E1/T1/J1 Ports | | 1 |
| Base Users / Max Users | | 300/500 |
| Max Concurrent Calls | | 60/120 |
| Max FXS Ports | | 16 |
| Max FXO/BRI Ports | | 16 |
| Max GSM/3G/4G Ports | | 6 |
| Max E1/T1/J1 Ports | | 2 |
*Availability subject to regional sales policy.
Make, transfer, hold, and mute your business calls on the go. Your contacts and teams are just one tap away.
In one clear list view, check your call logs, voicemails, and call recordings. Listen to what was left and call back to your contact in one simple click.
All call data is in sync with your Linkus Desktop and Web Client. You can flip calls seamlessly between devices and continue your conversation everywhere.
Call, chat, and collaborate as a team. With Linkus for Yeastar business phone systems, you can check your teammates’ real-time availability in a glance view, start instant messaging & file sharing, or initiate an audio conference or 1:1 video call to move work forward faster.
We host and manage your PBX in our local data center, free of hassle from managing your PBX. hosting frees your time and resources as we manage your PBX system for you




Fully functional, secure, and adaptable unified communications deployed in your own server. And Keep control of your trunks and numbers
Yeastar PBX connects to your favorite CRM, helpdesk, and business platform to help sync contacts, track conversations, and analyze calls, which is in sync with your Linkus mobile/desktop/web client as well. No more jumping between different apps to search for contacts. Just scroll and connect.
Thanks to Yeastar PBX’s innovative remote access service, all your communications on Linkus Mobile Clients are encrypted at an enterprise level. The service makes the off-premise connection secure and hassle-free for whatever Yeastar PBX series you are using and no matter where you are.
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