Yeastar S100 VoIP PBX

Modern UC System. Ideal for Small and Midsize Businesses

Support up to 200 users, Yeastar S100 is a scalable module-based VoIP PBX built to empower and streamline the way you do business. It is equipped with a quad-core processor, robust Unified Communications and excellent interoperability with the ease of use.


  • 100 Users (expandable to 200)
  • 30 Concurrent Calls (expandable to 60)
  • Up to 16 FXS/FXO/BRI Ports
  • Up to 6 GSM/CDMA/3G/4G Channels
  • Up to 2 E1/T1/PRI Ports



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Simple, powerful and scalable IP-PBX system Designed for SMBs with less than 200 users

Yeastar Awards


Simple to use and manage

Easy to use with plug-and-play, phone auto provisioning, and intuitive GUI.

Full – Featured + Robust UC

Connect and collaborate any way, on any device with complete feature set.

Remote Management

Reduce IT & maintenance costs with highly-secure remote monitor and control.

Reliability  over years

Free lifetime software upgrade plus high-end security to assure reliability over years

Connect, communicate and collaborate the way you like

With S100 to work with Yeastar Linkus UC softphone and Linkus Cloud Service, experience the ultimate convenience of doing business anywhere, on any device


Eliminate complexity and connect on any device anywhere with Linkus UC Softphone.


Voice, conferencing, messaging. Get all advanced features for smarter conversations.


Corporate Directory. Presence. File Sharing. It’s about the team-up.

S412 S20 S50 S100 S300
Users 20 20 50 100 (up to 200) 300 (up to 500)
Max Concurrent Calls 8 10 25 30 (up to 60) 60 (up to 120*)
Max FXS Ports 12 4 8 16 24
Max FXO/BRI Ports 4 4 8 16 24
Max GSM/3G/4G Ports 2 1 4 6 6
Max 4G Port (Data) 1 1 1 1 1
Max E1/T1/J1 Ports 2 3
VoIP Trunks 2 40 50 100 100
Protocol SIP (RFC3261), IAX2
Transport Protocol  UDP, TCP, TLS, SRTP
Codec  G711 (alaw/ulaw), G722, G726, G729A, GSM, Speex, ADPCM, iLBC, H263, H263P, H264, MPEG4
DTMF  In-band, RFC4733, RFC2833, SIP INFO
Ethernet Interfaces  2 × 10/100 Mbps  2 × 10/100/1000 Mbps
IP Services Static IP, DHCP, VPN, Firewall, VLAN, DDNS, PPPoE, QoS, Static NAT, STUN
Voicemail 5000 min (expandable) 10000 min (expandable)
Firewall Yes Yes Yes Yes Yes
T.38 Fax Yes Yes Yes Yes Yes
Hot Standby Yes Yes Yes Yes Yes
App Center  Linkus Mobile Client, Phone Provisioning, LDAP Server, Conference Panel, VPN Server, Billing App, Hotel App, charutile h+ Integration, QueueMetrics Integration
External Storage TF Card  TF Card SD Card  SD Card SD Card & 2.5’’ SATA HDD
USB 1 1
Power  DC 12V 3.33A  DC 12V 1A AC 100-240V
50/60HZ 0.6A max
AC 100-240V 50/60HZ 1.8A max
Size (L x W x H) (cm) 29 x 18 x 3.3 16 x 16 x 3  34 x 21 x 4.4 44 x 25.2 x 4.4   44 x 25.2 x 4.4
Weight 0.68 kg 0.3 kg 1.48 kg  2.5 kg   2.6 kg
Power Consumption 9.0-25.6W  1.8-10.6 W 2.1-18.5 W 5.5-41.2 W   6.2-59.1 W
Environment Operation Range: 0°C to 40°C, 32°F to 104°F; Storage Range: -20°C to 65°C, -4°F to 149°F; Humidity: 10-90% non-condensing
Mounting  Desktop & Wall-mount 1U Rack-mount


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