Yeastar IP PBX S412

Connectivity & Scalability:

Out of the box, the S412 comes equipped with 8 fixed FXS ports and supports 8 VoIP extensions and 4 VoIP trunks, handling up to 8 concurrent calls . It features 4 module slots (2 internal, 2 external) allowing for flexible combinations of analog and digital interfaces—with options for additional FXS, FXO, BRI, or up to 2 GSM/3G/4G channels. Powered by an industrial-grade quad-core CPU, it delivers reliable performance and supports auto-provisioning for major IP phone brands.

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Key Features:

• Supports up to 20 users and 8 concurrent calls

• Comes with 8 built-in FXS ports for analog phones

• Supports 4 VoIP trunks and 8 VoIP extensions

• 4 modular slots for flexible expansion (FXS, FXO, BRI, GSM/3G/4G)

• Built-in call recording, voicemail, and call routing

• Auto-attendant (IVR), call forwarding, call transfer, call parking

• Fax to Email and T.38 fax support

• Supports Linkus UC Clients (desktop and mobile)

• Integrates with CRM systems: Zoho, Salesforce, HubSpot, Odoo

• SIP and IAX2 protocol support

• Auto-provisioning for IP phones from major brands

• TLS/SRTP encryption for secure VoIP

• Built-in firewall, VPN, QoS, DDNS, and VLAN support

• No licensing fees – all features included

• Web-based GUI for easy system management

• Compact, low-power, and cost-effective design for small offices

Telephony & Management Features:

The S412 includes a comprehensive suite of built-in telephony functions—IVR auto-attendant, call routing, voicemail, fax-to-email, paging/intercom, and built-in call recording—without extra licensing fees  It supports Linkus UC clients (desktop/mobile) with conferencing, messaging, presence, and robust CRM integration (Zoho, Salesforce, HubSpot, Odoo, Google Contacts). Remote management capabilities, an embedded firewall, and support for TLS/SRTP encryption, VPN, DDNS, VLAN, QoS make it secure and easy to administer from anywhere.