Yeastar S20 VoIP PBX Phone System 

Yeastar S20 VoIP PBX Phone System is a stand alone telephone system offering range of features to small business with 20 users and below.  10 concurrent calls can be supported by various combinations of telephony ports. Powered by the latest processor technology, Yeastar's S-Series PBX gives you value for your money.

Yeastar S20 VoIP PBX Phone System provides flexible telephony interfaces combination while allowing for future scalability with unique modular design. Besides the built-in rich SIP capabilities, S-Series lets you decide what types of extensions and physical trunks you need in your telephone system.

When your business grows, adding more users and concurrent calls is also possible with S-Series. With Yeastar S-Series, all the telephony interfaces are modular and customizable, whether its FXS, FXO, ISDN BRI, GSM/3G, or E1/T1/PRI. S20 has 2 onboard module slots.

S20 VoIP PBX is designed with the small and medium-sized enterprises in mind, supporting up to 20 users and built using the very latest technology, the Yeastar S-Series delivers exceptional cost savings, productivity and efficiency improvements, delivering power, performance, quality, and peace of mind.

The all new S-Series is engineered for the communications needs of today and tomorrow, and the Yeastar unique modular design future proofs your investment choice.

Yeastar S20 VoIP PBX Phone specifications

• Appreciate the Easy-to-use Solution: The S-Series features 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, combines with an internal firewall and with support for TLS and SRTP encryption, there has never been such a robust system.

Product Benefits  Works with SIP/IAX2, PSTN lines, ISDN BRI, E1/T1/PRI, and GSM/CDMA/3G  Built-in call recording capability  Powerful Apps (add-ons) include Auto Provision, LDAP, and more coming soon  Free lifetime software/firmware upgrade and above all, it's super easy • Connect multiple sites and remote users instantly  No hidden charges and extra licensing fees • Low power consumption (1.8 to 59.1 W)

Product Specifications  Users: 20  Max Concurrent Calls: 10 • Max Analog Ports: 4 • Max BRI Ports: 4 • Max Cellular Ports: 1 • VoIP Trunks: 20 • Protocol: SIP (RFC3261), IAX2 • Transport Protocol: UDP, TCP, TLS, SRTP • Codec: G.711 (alaw/ulaw), G.722, G.726, G.729A, GSM, Speex, ADPCM, iLBC, H.263, H.263P, H.264, MPEG4 • DTMF: In-band, RFC4733, RFC2833, SIP INFO • LAN: 1 x 10/100 Mbps • WAN: 1 x 10/100 Mbps • IP Services: Static IP, DHCP, VPN, Firewall, VLAN, DDNS, PPPoE, QoS, Static NAT,STUN • Voicemail: 5000 min (expandable) • Firewall: Yes  T.38 Fax: Yes • App Center: Yes • External Storage: TF card • Power: DC 12V 1A • Size: 16 x 16 x 3 cm (6.3 x 6.3 x 1.18 ")  Weight: 0.3 kg (0.66 lbs) • Power Consumption: 1.8 to 10.6 W • Environment: Operation Temperature: 0 to 40°C (32 to 104°F) Storage Temperature: -20 to 65°C (-4 to 149°F) Humidity: 10 to 90% non-condensing • Mounting: Desktop and Wall-Mount

Product Includes • (1) S20 PBX • (2) Telephony Line • (1) Power Adapter • (1) Network Cable • (4) Rubber Feet • (1) Warranty Card • (1) Quick Start Guide Product Documentation S20 Datasheet S20 QSG