S412, Telecom, PBX, Yeastar, 20 Users, 8 Concurrent Calls, Desktop / Wall-Mountable
Compact modular hybrid PBX pre-configured with 8 fixed FXS ports, expandable up to 12 FXS or 4 FXO/BRI ports for up to 20 users.
Product Overview
The Yeastar S412 is a compact, cost-effective hybrid VoIP PBX engineered for small businesses that need a high concentration of analog telephone extensions alongside VoIP connectivity. It comes pre-configured with 8 fixed RJ11 FXS ports and features 4 expansion slots (2 for analog extensions and 2 for external PSTN/BRI/cellular lines). Supporting up to 20 users and 8 concurrent calls with 4 SIP trunks, the S412 eliminates traditional phone wiring complications while providing advanced features like voicemail-to-email, auto-attendant IVR, call recording, and remote Linkus client mobility.
Why Buy This Product
High Analog Extension Density
Comes with 8 fixed FXS ports onboard, saving on module costs for small offices with existing analog wiring.
Low Cost of Ownership
Zero licensing fees with rich business features including auto-attendant, IVR, voicemail, and recording.
Hybrid Flexibility
Seamlessly mixes analog lines, cellular trunks, and SIP accounts on a single PBX unit.
Best for These Applications
Small Retail & Outlets
Shops and retail branches needing analog point-of-sale phones, credit card terminals, and cordless handsets.
Residences & Small Guest Houses
Properties needing 8 to 12 room phones connected back to a centralized front desk.
Micro Enterprises & Clinics
Offices with up to 20 users migrating gradually from analog lines to VoIP.
Key Advantages
- 8 Fixed FXS Ports Included:No need to purchase extra modules for the first 8 analog phones, drastically lowering initial setup costs.
- MicroSD Call Recording:Dedicated TF card slot supports up to 64GB for local storage of voicemails and recorded conversations.
- Linkus Mobile & Desktop Support:Connects smartphone and PC softphone apps to the office system for on-the-go communications.
Frequently Asked Questions
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Weight | 0.8 |
| Shipping Weight | 1.2 |
| User Capacity | 20 |
| Max Ip Users | 20 |
| Concurrent Calls | 8 |
| Analog Extensions | 12 |
| Co Lines | 4 |
| Bri Ports | 4 |
| Gsm Channels | 1 |
| Cellular Ports | 1 |
| Expansion Slots | 4 |
| Sip Trunks | 4 |
| Voip Channels | 8 |
| Voicemail Channels | 4 |
| Voicemail Storage | 5,000 minutes (built-in internal flash) |
| Audio Conferencing | Built-in Multi-Party Conference |
| Call Detail Records | Built-in CDR storage |
| System Architecture | Compact Hybrid PBX with Fixed & Modular Ports |
| Power Supply | 12V DC, 3.33A External Power Adapter |
| Power Consumption | 9.0 - 25.6W |
| Mounting Form Factor | Desktop / Wall-Mountable |
| Dimensions | 290 x 180 x 33 mm |
| Weight | 0.8 kg |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Ethernet Interfaces | 2 x 10/100 Mbps RJ45 Ports (LAN/WAN) |
| Sd Card Slot | 1 x TF/MicroSD Card Slot (up to 64GB) |
| Voip Protocols | SIP (RFC3261), IAX2, TLS, SRTP, IPv4, IPv6 |
| Audio Codecs | G.711a, G.711u, G.722 (HD Voice), G.726, G.729A, GSM, iLBC, Opus |
| Certifications | CE, FCC, RoHS |
| Stock | 1 |
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