True Tech Enterprises.

The Yeastar S-Series S20 IP PBX System has the following Features:

• Up to 20 users and 10 concurrent calls
• Includes 20 SIP trunks
• Add module cards to activate additional ports up to 4 Analog, 4 BRI, and 1 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 1.8-10.6W
• Automated attendant (IVR)
• Email to SMS/SMS to email
• Fax to email
• Paging/intercom

Other Features:

• Open Source Asterisk IP PBX.
• Interactive Voice Response IVR.
• Video Conferencing.
• Voice mail to e-mail.
• Distributed Office Set up.
• Centralized Administration.
• Voice Logger.
• Web based receptionist console.
• Parallel Ringing.
• Audio Conference Bridging.
• Built in Call Recording.
• Call Detail Report.
• GSM Integration.