Stock Status:
Condition: New
SKU : 9647M68
Supports up to 20 users, making it suitable for small businesses and growing offices.
Handles up to 10 concurrent calls for simultaneous business communications.
Supports up to 20 VoIP trunks for flexible SIP-based telephony.
Provides modular connectivity with up to 4 FXS/FXO/BRI ports and up to 1 GSM, 3G or 4G channel, depending on the installed modules.
Includes built-in call recording, automated attendant (IVR), voicemail-to-email and other business communication features.
Supports SIP and IAX2 protocols with UDP, TCP, TLS and SRTP transport options.
Includes firewall, VPN, VLAN, QoS, DDNS, PPPoE, NAT and STUN networking capabilities.
Supports Linkus Unified Communications for desktop and mobile users.
Offers auto provisioning and an intuitive graphical interface for easier installation and management.
Designed for desktop or wall-mounted installation.
Low power consumption of approximately 1.8–10.6
The Yeastar S20 - S-Series VoIP PBX for Small Business is a compact standalone business telephone system designed for organizations with up to 20 users. It combines VoIP calling with modular support for analog, BRI and cellular connectivity, allowing businesses to build a telephone system around their existing communication infrastructure. With support for up to 10 concurrent calls and 20 VoIP trunks, the S20 provides a practical platform for offices that need centralized call management, extension services and unified communications.
| Product | Price in Kenya |
|---|---|
| Yeastar S20 - S-Series VoIP PBX for Small Business | KSh 29,000 – KSh 34,000 |
| Specification | Details |
|---|---|
| Product Type | S-Series VoIP PBX |
| Maximum Users | 20 |
| Concurrent Calls | 10 |
| VoIP Trunks | 20 |
| Analog Ports | Up to 4 |
| BRI Ports | Up to 4 |
| Cellular Channel | Up to 1 GSM/3G/4G |
| Onboard Module Slots | 2 |
| Protocols | SIP, IAX2 |
| Transport | UDP, TCP, TLS, SRTP |
| LAN | 1 × 10/100 Mbps |
| WAN | 1 × 10/100 Mbps |
| Voicemail | 5,000 minutes, expandable |
| Fax | T.38 |
| External Storage | TF Card |
| Power | DC 12V, 1A |
| Power Consumption | 1.8–10.6W |
| Dimensions | Approximately 16 × 16 × 3 cm |
| Weight | Approximately 0.3 kg |
| Mounting | Desktop and wall mount |
| Operating Temperature | 0°C–40°C |
| Humidity | 10–90% non-condensing |
The specifications are based primarily on Yeastar documentation and Kenya distributor specifications.
Provides capacity for up to 20 extensions and 10 simultaneous calls.
Supports VoIP, PSTN, ISDN BRI and cellular communication through compatible interfaces and modules.
Built-in IVR helps organizations create professional automated call-answering and routing systems.
Call recording provides a useful option for training, monitoring and record keeping.
Voicemail and voicemail-to-email features help users manage missed calls more effectively.
Supports remote users and multiple-site communication.
Linkus integration enables users to access unified communications functions from supported desktop and mobile devices.
Low power consumption makes it practical for continuous office operation.
Compact 16 × 16 × 3 cm chassis suitable for offices with limited equipment space.
Lightweight design of approximately 0.3 kg.
Can be positioned on a desk or mounted on a wall.
Modular architecture allows compatible telephony modules to be added according to business requirements.
Two onboard module slots provide flexibility when expanding physical telephony connectivity.
Designed as a standalone PBX, reducing the need for a large dedicated telephone-system installation.
Supports SIP for connecting compatible IP phones and VoIP service providers.
Supports IAX2 for compatible VoIP communication environments.
Compatible with analog telephone and trunk interfaces through supported modules.
Supports BRI connectivity for compatible ISDN installations.
Supports GSM, 3G and 4G connectivity through the appropriate cellular module.
Provides separate LAN and WAN 10/100 Mbps interfaces.
Networking features include VPN, VLAN, firewall, QoS, DDNS, PPPoE, Static NAT and STUN.
Supports TLS and SRTP for secure communication environments.
Can integrate with CRM, call-center and other business applications through supported integration capabilities.
Small offices with up to 20 users.
Businesses transitioning from traditional telephone systems to VoIP.
Offices requiring centralized extension management.
Companies using SIP trunking for business calls.
Branch offices requiring communication with remote users.
Retail businesses and service organizations requiring IVR and call management.
Businesses requiring call recording and voicemail-to-email.
Organizations needing a combination of IP, analog, BRI and cellular telephony.
Small call-management and customer-service environments.
How many users does the Yeastar S20 support?
The S20 supports up to 20 users.
How many calls can the Yeastar S20 handle simultaneously?
It supports up to 10 concurrent calls.
Does the Yeastar S20 support VoIP trunks?
Yes. The S20 supports up to 20 VoIP trunks.
Can the S20 support analog phones or telephone lines?
Yes. Compatible modules can provide up to four analog FXS/FXO ports, depending on the configuration.
Does the Yeastar S20 support GSM, 3G or 4G?
Yes. It can support up to one cellular channel when the appropriate module is installed.
Does it support call recording?
Yes. Built-in call recording is among the S20's supported business communication features.
Can the Yeastar S20 be mounted on a wall?
Yes. The S20 supports desktop and wall-mounted installation.
Does it support remote users?
Yes. The S-Series supports remote users and multi-site communication, with Linkus providing unified communications capabilities across supported devices.
| Pros | Cons |
|---|---|
| Supports up to 20 users | Limited to 10 concurrent calls |
| Up to 20 VoIP trunks | Additional modules may be required for certain physical interfaces |
| Modular telephony architecture | Designed primarily for small deployments |
| Supports analog, BRI and cellular connectivity | 10/100 Mbps network interfaces are not Gigabit |
| Built-in IVR and call recording | Advanced requirements may require a higher-capacity PBX |
| Linkus unified communications support | Module configuration must match the required telephone interfaces |
| Compact and lightweight design | Older S-Series platform compared with newer Yeastar PBX generations |
| Low power consumption | Cellular connectivity requires the appropriate module |
The Yeastar S20 - S-Series VoIP PBX for Small Business is a compact and flexible telephone system for small organizations that need VoIP capabilities alongside modular traditional telephony options. With support for 20 users, 10 concurrent calls, 20 VoIP trunks, IVR, call recording, voicemail and unified communications, it provides a strong feature set for small-office communication requirements. Its modular design also makes it useful for businesses that need to combine IP phones with analog, BRI or cellular connectivity.
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