Yeastar S20 IP PBX

Yeastar S20 VoIP PBX
Yeastar S20 VoIP PBX
Yeastar S100 VoIP PBX
Yeastar S100 VoIP PBX
Yeastar S100 VoIP PBX
Yeastar S100 VoIP PBX
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Yeastar S-Series S20 IP PBX

Up to 20 Users, 10 Concurrent Calls, Modular VoIP PBX for SMBs, Easy-to-Use with Unified Communications

Yeastar S-Series S20 IP PBX is a compact and modular VoIP PBX designed for small businesses that need efficient and affordable communication. Supporting up to 20 users and 10 concurrent calls, the S20 integrates seamlessly with SIP, PSTN, ISDN BRI, GSM/3G/4G networks and provides unified communications with built-in Linkus mobile and desktop apps. It includes essential business features such as voicemail, IVR, call routing, conferencing, and remote management without extra licensing fees. With simple setup, auto provisioning, internal firewall, and low power consumption, the S20 ensures reliable performance with future-proof flexibility.

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Key Features:
  • Supports 20 users and 10 concurrent calls
  • Built-in voicemail, call routing, and IVR
  • Supports SIP, PSTN, ISDN, GSM/3G/4G
  • Integrated Linkus UC app for mobile and desktop
  • Auto provisioning for IP phones
  • Internal firewall with SRTP and TLS
  • Expandable with modular design
  • Remote management and multisite support
  • Low power consumption design
  • No extra licensing fees or hidden charges
Product Specifications:
  • Model: Yeastar S20
  • Max Users: 20
  • Max Concurrent Calls: 10
  • Max FXS Ports: 4
  • Max FXO/BRI Ports: 4
  • Max GSM/3G/4G Ports: 1
  • Max 4G Data Port: 1
  • VoIP Trunks: 20
  • Protocol Support: SIP (RFC3261), IAX2
  • Transport Protocols: UDP, TCP, TLS, SRTP
  • Audio Codecs: G.711 (A/U), G.722, G.726, G.729A, GSM, Speex, ADPCM, iLBC
  • Video Codecs: H.263, H.263P, H.264, MPEG4
  • DTMF Support: In-band, RFC4733, RFC2833, SIP INFO
  • Ethernet Interfaces: 2 × 10/100 Mbps
  • IP Services: Static IP, DHCP, VPN, Firewall, VLAN, DDNS, PPPoE, QoS, Static NAT, STUN
  • Voicemail Storage: 10,000 minutes (expandable)
  • T.38 Fax: Supported
  • Hot Standby: Supported
  • App Center: Linkus, Phone Provisioning, LDAP Server, Conference Panel, VPN Server, Billing App, Hotel App
  • External Storage: TF Card
  • Power Supply: DC 12V 1A
  • Dimensions (L × W × H): 16 × 16 × 3 cm
  • Weight: 0.3 kg
  • Power Consumption: 1.8–10.6 W
  • Mounting: Desktop & Wall-mount
  • Operating Temperature: 0°C to 40°C
  • Storage Temperature: -20°C to 65°C

Yeastar S -Series PBX System Datasheet – Download PDF

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