YST-S412 - Yeastar S412 PBX for Small Business | Aztek Computers
29+Years
SKU: YOZGFG6E7D |  Mfg. Part: YST-S412  | UPC: 6977639382057  | 
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YST-S412 - Yeastar S412 PBX for Small Business

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$286.77  $387.14
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Product Overview

- 8 VoIP Users
- 8 Concurrent Calls
- 4 VoIP Trunks
- 8 Fixed RJ11 FXS Ports
- 4 Customizable FXS RJ11 Ports
- Up to 4 Customizable FXO/BRI RJ11 Ports
- Up to 2 Customizable GSM/3G/4G Channels
- 1 10/100Mbps LAN
- 1 10/100Mbps WAN
- TF Card Slot
- Protocol: SIP, IAX2
- Transport Protocol: UDP, TCP, TLS, SRTP
- DTMF: In-band, RFC4733, SIP INFO
- Codec: G711 (alaw/ulaw), G722, G726, G729A, GSM, Speex, ADPCM, iLBC, H263, H263P, H264, MPEG4

Expert Overview

The Yeastar S412 PBX is designed for small businesses requiring a scalable and integrated telephony solution. This system supports up to 8 VoIP users and 8 concurrent calls, facilitating communication for small teams. It includes 8 fixed RJ11 FXS ports and 4 customizable FXS RJ11 ports, allowing for the connection of analog phones. The unit also offers flexibility with up to 4 customizable FXO/BRI RJ11 ports and up to 2 customizable GSM/3G/4G channels, enabling various external line connections. Network connectivity is provided via one 10/100Mbps LAN port and one 10/100Mbps WAN port. The YST-S412 supports SIP and IAX2 protocols, along with multiple codecs, making it suitable for environments needing a versatile and controlled communication infrastructure.

Technical Specifications

Certification Required: Yes
Maximum Concurrent Calls: 8
Number BRI Ports: 4
Number FXO Ports: 4
Number FXS Ports: 4
Number GSM Ports: 2
PBX: Yes
Support for Analog Phone Lines: Yes
Support for T1/E1 Phone Lines: Yes
Supports Remote Phones: Yes
Wall or Rack Mountable: Rack
Color: Black

Product Details

  • Manufacturer:
  • Model Number:
  • UPC:
  • Condition:
  • Weight:
  • Dimensions:
  • Updated:
  • Added:
  • Yeastar
  • YST-S412
  • 6977639382057
  • New
  • 1.55 lbs
  • 9 X 13 X 4
  • Jul 30, 2026
  • May 16, 2026
Product Identifiers: Brand: Yeastar • Part #: YST-S412 • UPC: 6977639382057 • Category: Business Phones

Frequently Asked Questions

What types of phone lines does the S412 PBX support?

The S412 PBX supports analog phone lines, T1/E1 phone lines, and can be configured for GSM/3G/4G channels. It includes customizable FXO/BRI RJ11 ports for these connections.

How many concurrent calls can the S412 PBX handle?

The S412 PBX is designed to handle a maximum of 8 concurrent calls, supporting up to 8 VoIP users simultaneously.

What is included for connecting analog phones?

The S412 PBX comes with 8 fixed RJ11 FXS ports and 4 customizable FXS RJ11 ports, providing a total of 12 ports for connecting analog phones.

Is the S412 PBX suitable for remote users?

Yes, the S412 PBX supports remote phones, allowing users outside the primary office location to connect and utilize the system's features.

YST-S412 - Yeastar S412 PBX for Small Business

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$286.77