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Description
Yeastar S20 IP PBX – 20 Users, 10 Concurrent Calls, Modular VoIP PBX, Unified Communications, SIP & GSM/4G SupportYeastar S20 IP PBX Key Product Specifications: Manufacturer: Yeastar Model: S20 Product Type: IP PBX Max Users: 20 Max Concurrent Calls: 10 Max FXS Ports: 4 Max FXO BRI Ports: 4 Max GSM 3G 4G Ports: 1 Max 4G Data Port: 1 VoIP Trunks: 20 Protocol Support: SIP (RFC3261), IAX2 Transport Protocols: UDP, TCP, TLS, SRTP Ethernet Interfaces: 2 10 100 Mbps Voicemail Storage: 10,000 minutes (expandable) T. 38 Fax: Supported Hot Standby: Supported Power Supply:
Yeastar S20 IP PBX Key Product Specifications:
- Manufacturer: Yeastar
- Model: S20
- Product Type: IP PBX
- Max Users: 20
- Max Concurrent Calls: 10
- Max FXS Ports: 4
- Max FXO/BRI Ports: 4
- Max GSM/3G/4G Ports: 1
- Max 4G Data Port: 1
- VoIP Trunks: 20
- Protocol Support: SIP (RFC3261), IAX2
- Transport Protocols: UDP, TCP, TLS, SRTP
- Ethernet Interfaces: 2 × 10/100 Mbps
- Voicemail Storage: 10,000 minutes (expandable)
- T.38 Fax: Supported
- Hot Standby: Supported
- Power Supply: DC 12V 1A
- Dimensions: 16 × 16 × 3 cm
- Weight: 0.3 kg
- Power Consumption: 1.8–10.6 W
- Mounting: Desktop & Wall-mount
- Operating Temperature: 0°C to 40°C
- Storage Temperature: -20°C to 65°C
Yeastar S20 IP PBX is a compact modular VoIP PBX designed for small businesses that need reliable unified communications at best price. Supporting up to 20 users and 10 concurrent calls, it integrates SIP, PSTN, ISDN BRI, and GSM/3G/4G connectivity into a flexible platform. With built-in Linkus UC apps, voicemail, IVR, call routing, conferencing, auto provisioning, and remote management, the S20 delivers a simple yet powerful communication system with low power consumption and no extra licensing fees.
Yeastar S20 IP PBX Key Product Features:
- Supports 20 users and 10 concurrent calls
- Built-in voicemail, IVR, call routing, and conferencing
- Supports SIP, PSTN, ISDN BRI, and GSM/3G/4G
- Integrated Linkus UC apps for mobile and desktop
- Auto provisioning for IP phones
- Internal firewall with TLS and SRTP security
- Expandable modular PBX design
- Remote management and multisite support
- Low power consumption and compact design
- No extra licensing fees or hidden costs
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 5
Vibrant backyard umbrella
Size: 9ft, Color: Lake Blue
The umbrella does its job, it tilts so you can position the umbrella to block the sun at all hours. The colors are vibrant and fabric is decent quality, I bought the turquoise this time and dark blue in the past, the fabric keeps cleans. The umbrella isn't heavy, easy to maneuver. This was a replacement for our previous umbrella which broke at the tilt joint, after a very windy day when we forgot to close it, but it lasted over a year and a half so no complaints there.
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Reviewed in the United States on December 6, 2025
★★★★★ 4
Nice Umbrella for the Price
Size: 9ft, Color: Red
Truly surprised at the quality of this umbrella. Great deal for the price. I did see some reviews prior to buying that there were issues with the tilting mechanism/crank so I am giving it a 4 until I have it for more than a few days to see how it all works out.
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Reviewed in the United States on April 27, 2026
★★★★★ 5
Honestly impressed would recommend
Size: 9ft, Color: Beige, Size: 9ft, Color: Beige
I’m honestly really impressed with this patio umbrella! It’s lightweight enough that it was easy to move and set up, but it still feels sturdy and stable once in place. The fabric material feels much nicer than the cheap plastic-like material some outdoor umbrellas use — it looks clean, durable, and gives really good shade.
The color is beautiful and works perfectly with outdoor spaces without looking harsh or too bright. It opens smoothly, provides a large amount of coverage, and has held up great in the sun and wind so far.
Definitely a thumbs up from me — great quality for the price and makes the whole patio area feel more relaxing and put together! ☀️👍
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Reviewed in the United States on May 9, 2026
★★★★★ 5
Brightens up the whole patio!
Size: 9ft, Color: Apple Green
I am so happy with this umbrella! The "Apple Green" color is gorgeous—it’s super vibrant and really makes my backyard feel more tropical and fun.
The crank is smooth and easy to use, so I don’t have to struggle to get it open, and the push-button tilt is a total lifesaver when the sun starts to dip in the afternoon. It feels much sturdier than the one I replaced; the ribs seem solid and it hasn't budged during our usual afternoon breezes.
It provides a ton of shade for our table, and you can tell the fabric is thick enough to actually block the heat. If you want a pop of color and a reliable umbrella that doesn't cost a fortune, this one is perfect!
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Reviewed in the United States on April 7, 2026
★★★★★ 5
High quality. Umbrella crank works smoothly. Love it!
Size: 9ft, Color: Peacock Blue, Size: 9ft, Color: Peacock Blue
This umbrella and rug, both from Amazon, look beautiful on my deck! I'm thrilled with them both! My deck is my favorite happy place! The colors are very impressive. Great price 👍
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Reviewed in the United States on May 23, 2026
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