Yeastar S50 VoIP PBX Phone System is a compact and full-featured IP-PBX for up to 50 users and 25 concurrent calls.  

Yeastar S50 IP PBX comes in a 19″ 1U rack-mountable chassis and is capable of supporting ISDN BRI, PSTN, and GSM connectivity. 

 Product Features 

• Up to 50 users and 25 concurrent calls 
• Includes 50 SIP trunks 
• Add module cards to activate additional ports up to 8 Analog, 8 BRI, and 4 GSM 
• Includes 5,000 minutes of expandable voicemail storage 
• Built-in call recording capability 
• Add on powerful apps including auto provisioning, LDAP, and more 
• Free lifetime software/firmware upgrades 
• Connect multiple sites and remote users instantly 
• No hidden charges or extra licensing fees 
• Low power consumption at 2.1-18.5W 
• Automated attendant (IVR) 
• Email to SMS/SMS to email 
• Fax to email 
• Paging/intercom 
• Mobility extension 
• Music on hold 
• SIP forking 
• Voicemail to email 
• 1U rack-mountable 

Technical Specifications 

• Connections: 8x RJ11 FXS  
• Switch Port: 1x 10/100Base-T Ethernet  
• Protocol Support: SIP, IAX2  
• Audio Codecs: G.711a/u-law, G.722, G.723, G.726, G.729A, GSM  
• Fax Codecs: T.38 & pass-through  
• Echo Cancellation: yes  
• QoS: supported  
• Management: via web UI  
• Dimensions: 7.87” x 5.39” x 0.98”  
• Mounting: desktop, wall

Package contents

• Yeastar TA800 device unit 
• Power adapter 
• Network cable 
• Stand 
• Warranty card 
• Quick installation guide