IP PBX – TrendNet Security Ltd

Zycoo U20-2FXS IP PBX Telephony System 15/32

george — Fri, 05 Jun 2026 03:36:13 +0000

CooVox-U20 is a stylish, compact yet full-featured mini IPPBX system designed for small and micro firms/SOHOs. It is suitable for companies under 30 employees and has all the necessary functionality tofulfill their daily telephony needs. CooVox-U20 comesequipped with 2 analog ports and optionally a GSM interface, allowing companies the option to deliver inbound/outbound phone calls over PSTN/GSM/SIP Trunk/IMS. With the U20, it is possible to deploy up to 2 EX16S expansion boxes for up to 32 legacy phone deployment.This low-cost IPPBX packs a powerful punch, with a rich feature set that can rival the mostexpensive of Enterprise solutions in today’smarket place.

32 Extensions (Max)
15 Simultaneous Calls (Max)
Extension Web Portal (WebRTC Integrated)
2 FXS Analog Ports
SIP Proxy Service
15 Conference Attendees
150hrs Recording/Voicemail (Internal Storage)
Up to 2 EX16S Deployment
Unlimited IVR Levels
20 SIP/IMS Trunks (Max)

Zycoo U50 IP PBX Telephony System 30/100

george — Fri, 05 Jun 2026 03:36:09 +0000

CooVox-U50 is an affordable, scalable, interoperable, secure and reliable solution and provides not only traditional PBX features such as Automated Attendant and Voicemail, but also many advanced features including Remote Extensions, Remote Office Connections, Conference Bridge, Call Recording, etc. It is an ideal choice for small and medium sized companies under 100 employees who wish to build their own innovative business phone system. CooVox-U50 is designed to meet the telephony needs of a modern business and will greatly increase their efficiency and competitiveness.

100 Extensions (Max)
30 Simultaneous Calls (Max)
Extension Web Portal (WebRTC Integrated)
SIP Proxy Service
30 Conference Attendees
150hrs Recording/Voicemail (Internal Storage)
Up to 6 EX16S Deployment
Unlimited IVR Levels

Yeastar P550 On-Premise/Cloud IP PBX Telephony System 25/50

george — Fri, 05 Jun 2026 02:30:32 +0000

Yeastar P-Series Appliance Edition is an IP PBX system that unifies voice, video, applications, and more. Full-featured, flexible, and secure, it offers three appliance model options with user capacity ranging from 50 to 500. As a full-featured IP PBX & UC solution, P-Series Appliance Edition will meet the daily communication needs for every SME organization.
P-Series PBX Appliance Edition fulfills your everyday communication needs with a complete suite of features, from Linkus UC Clients and a robust call center solution to remote working and a web-based video conferencing solution.

NFC Configuration
IP address configuration can be easily done with NFC write/read and Linkus Mobile Client.

Auto Provisioning
With the IP phone's MAC address, Yeastar P-Series IP PBX will automatically provision the IP phone and give it an extension.

Interoperability
Interoperable with various IP phones, headsets, gateways & SIP trunks on the market or of your choice.

Hot Standby
Ensures the highest level of system resilience, zero or minimal downtime, real-time data replica, and seamless failover.

Integration

Supports 3rd-party CRM integration with Zoho CRM, Salesforce CRM, and Hubspot to unleash the true power of business communications.
Microsoft Teams integration is also supported to deliver a unified experience with unmatched simplicity and new possibilities

Yeastar P560 On-Premise/Cloud IP PBX Telephony System 30/100

george — Fri, 05 Jun 2026 02:30:28 +0000

NFC Configuration
IP address configuration can be easily done with NFC write/read and Linkus Mobile Client.

Auto Provisioning
With the IP phone's MAC address, Yeastar P-Series IP PBX will automatically provision the IP phone and give it an extension.

Interoperability
Interoperable with various IP phones, headsets, gateways & SIP trunks on the market or of your choice.

Hot Standby
Ensures the highest level of system resilience, zero or minimal downtime, real-time data replica, and seamless failover.

Integration
Supports 3rd-party CRM integration with Zoho CRM, Salesforce CRM, and Hubspot to unleash the true power of business communications.
Microsoft Teams integration is also supported to deliver a unified experience with unmatched simplicity and new possibilities

Yeastar EX08 Expansion Board for P560

george — Fri, 05 Jun 2026 02:30:10 +0000

EX08 board supports up to 4 modules (8 RJ11 ports).

Optional modules on EX08 board

O2 Module
S2 Module
SO Module
B2 Module
GSM/3G/4G LTE Module

Yeastar SO Module 1 FXS & 1 FXO Port for S20 & P550

george — Fri, 05 Jun 2026 02:30:06 +0000

The Yeastar SO module is a module with one FXO port and one FXS port to offer a unique PSTN failover function, enabling you to make/receive calls even when system powers down.

An FXS interface allows to connect conventional analog phones, DECT phones, fax machines, and other devices equipped with FXO interface to IP PBX. The FXO interface allows you to connect to the IP-PBX a local phone line or any other line that is connected to the FXS interface at the other end.

Linkus Cloud Service PRO for Yeastar S20 1 Year

george — Fri, 05 Jun 2026 02:29:25 +0000

Yeastar Linkus Cloud Service is a valued-added service designed to make remote working easier and more accessible for Yeastar S-Series VoIP PBX users. It avoids the necessity of port forwarding when using Linkus outside of the company. It also provides a dedicated PBX domain name (FQDN) for secure, effortless registration of remote SIP endpoints to the PBX, including IP phones, gateways, branch office PBXs, etc.

Automated Linkus server Setup
Instant Linkus remote connection
Instant Messaging & File Sharing on Linkus
Dedicated PBX Domain Name (FQDN)
Effortless remote SIP endpoints registration
Remote SIP Access Control
Eliminated port forwarding & NAT issues

Linkus Cloud Service PRO for Yeastar S50i 1 Year

george — Fri, 05 Jun 2026 02:29:22 +0000

Automated Linkus server Setup
Instant Linkus remote connection
Instant Messaging & File Sharing on Linkus
Dedicated PBX Domain Name (FQDN)
Effortless remote SIP endpoints registration
Remote SIP Access Control
Eliminated port forwarding & NAT issues

Yeastar Standard Plan for P550 1 Year

george — Fri, 05 Jun 2026 02:28:19 +0000

Additionaly from the P-Series PBX features you can get access on the Yeastar Remote Access Service which provides the below features.

Custom PBX Domain Name (FQDN)
PBX Web Portal Remote Access
Linkus UC Clients Remote Connection
LDAP Server Remote Access
Function-based Security Control

Yeastar P520 On-Premise/Cloud IP PBX Telephony System 10/20

george — Thu, 04 Jun 2026 23:36:59 +0000

Yeastar P520 is a great fit for smaller teams looking to improve their communication infrastructure. Tailored for SMBs and startups, Yeastar P520 supports up to 20 users and 10 concurrent calls, providing rich features, robust performance, and outstanding reliability. Enjoy advanced communication capabilities and enhanced productivity without high costs.

Comprehensive PBX features: IVR, voicemail, call recording, and more
Linkus UC Clients for Android, iOS, Windows, macOS, and web browsers
Team chat with presence and file sharing
Integrated lightweight video conferencing
Advanced call center features, including wallboard, queue panel, skills-based routing, priority queue, missed call disposition, SLA, and many more
Omnichannel messaging with WhatsApp and SMS integration
Microsoft Teams Integration
Switchboard-type call operator panel for drag-and-drop call distribution & management
Ready-made integrations with popular CRMs and helpdesks
PBX-native external contacts management & phonebooks
Extension groups and organizations
Single point configuration and management
Granular user permission settings based on user roles & groups
Broadest list of endpoints and SIP trunk compatibility. Support bulk auto-provisioning
Comprehensive call analytics and graphical call reports
Enterprise-grade security measures