Product Features

• Compact and modular IP PBX designed for small businesses and home offices
• Handles up to 8 VoIP users, 4 VoIP trunks, and 8 concurrent calls
• Equipped with 8 fixed FXS ports for analog extensions out of the box
• Expandable design with 4 module slots for FXS, FXO, BRI, or GSM/3G/4G
• Advanced security featuring built-in firewall, TLS, and SRTP encryption
• Linkus Mobile Client integration turns smartphones into office extensions
• Embedded App Center for easy management of VPN, Billing, and Hotel apps
• Plug-and-play installation with auto-provisioning for major IP phone brands

Technical Specifications

• VoIP Users: 8
• Concurrent Calls: 8
• VoIP Trunks: 4
• Fixed Ports: 8 FXS (RJ11)
• Customizable Ports: Up to 4 FXO/BRI/FXS/GSM/LTE
• LAN Port: 1 x 10/100 Mbps
• WAN Port: 1 x 10/100 Mbps
• Additional Interfaces: 1 x TF card slot
• Protocol: SIP, IAX2
• Transport Protocol: UDP, TCP, TLS, SRTP
• Codec: G.711, G.722, G.726, G.729A, GSM, iLBC
• Fax: T.30 & T.38 Fax
• Dimensions: 290 x 180 x 33 mm
• Power: DC 12V 3.33A

What's in the Box

• YST-S412 IP-PBX
• Power Adapter
• Ethernet Cable
• 4 x Rubber Feet
• Quick Start Guide
• Warranty Card

• Monrovia, CA 91016
• Austin, TX 78723

Orders may be shipped with "Signature Confirmation" for your protection.

If you have any questions, please send a message using the "Contact." We normally respond within a few minutes during business hours.