Yeastar S20_PBX – Stand-Alone VoIP PBX System supporting 20 users, 10 Concurrent Calls | By JJSATs

Easy to use, reliable, and feature-rich, S-Series is designed to help small and medium businesses make a giant leap in efficiency and cost savings. The innovative S-Series unleashes the power of unified communications, provides great flexibility with field-upgradable modular design, and allows you to connect to traditional lines, VoIP lines, and cellular networks. Perfectly future-proof, S-Series converges business-enhancing features with free software updates to grow with your business and assures reliability over the years.

Performance and Power

• **Appreciate the Easy-to-use Solution:** Fast installation with comprehensive auto provisioning, advanced plug and play capability, together with an intuitive Metro UI driven by point-and-click configuration, from any location.
• **Your Choice of Technologies and Features:** With a unique modular design, the S-Series will install into the most demanding of environments. You can also take advantage of advanced enterprise grade features with the fullest and most complete software versions.
• **Telephone System without Risk:** S-Series is built with the future in mind, utilizing the latest technology advances, from Freescale industrial grade Quad Core processors, TI DSP voice processors, and long-life power units and lightning protection.
• **Play Safe and Expect Reliability:** With advanced failover, security, monitoring and reporting capabilities as standard, combined with an internal firewall and with support for TLS and SRTP encryption, there has never been such a robust system.

Key Features and Benefits

• Linkus UC Clients for Desktop and Mobile
• Works with SIP/IAX2, PSTN lines, ISDN BRI, E1/T1/PRI, and GSM/3G/4G
• Built-in call recording capability
• Powerful Apps (add-ons) include Linkus Server, Auto Provision, LDAP, Conference Panel, VPN Server, Billing App*, Hotel App*, and more
• Control and manage customer-premises PBX easily and quickly with Remote Management
• Convenient integration with call center, PMS, and CRM
• Connect multiple sites and remote users instantly
• No hidden charges and extra licensing fees
• Low power consumption (1.8-59.1 watt)

Built-in Features for All Plans

• **Telephony Features:**
  • Automated Attendant (IVR)
  • Attended Transfer
  • AutoCLIP
  • Blind Transfer
  • Blocklist/Allowlist
  • Call Back
  • Call Detail Records (CDR)
  • Call Forwarding
  • Call Monitor
  • Call Parking
  • Call Pickup
  • Call Recording
  • Call Routing
  • Call Waiting (FXS)
  • Caller ID
  • Contacts
  • Custom Prompt
  • Dial by Name
  • DISA
  • Distinctive Ringtone
  • DNIS
  • Do Not Disturb (DND)
  • Event Center
  • Email to SMS/SMS to Email
  • Fax to Email
  • Paging/Intercom
  • LDAP
  • Linkus UC Clients
  • Linkus Cloud Service*
  • Mobility Extension
  • Multi-language System Prompt
  • Multi-language System Language
  • Multi-site Interconnect
  • Music on Hold
  • One Touch Recording
  • Queue
  • PIN List
  • Phone Provisioning
  • Real-time Status Monitor
  • Remote Management
  • Ring Group
  • SIP Forking
  • SLA
  • Speed Dial
  • Time Condition
  • User Portal
  • User Permission
  • Voicemail