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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
4.5 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
Yes!
Size: Medium
Durable. Squeak doesn't last forever with my aggressive chewers but crinkle does. Best balls.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 28, 2025
★★★★★ 5
Balls
Size: Medium
My dog loves chasing these balls. He seems to love the squeak! They fit the chuck it stick perfectly, and are great replacements for the originals that came with the stick.
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Reviewed in the United States on February 7, 2026
★★★★★ 5
Nice set of balls
Size: Medium
The squeaker quickly became my dog’s favorite ball and has replaced the fuzzy tennis balls. My dog is a nonstop fetcher and these chuck it balls are durable and fun.
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Reviewed in the United States on January 9, 2026
★★★★★ 5
Perfect ball
Size: Medium
Our dog loves these!
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Reviewed in the United States on May 26, 2026
★★★★★ 4
Soild
Size: Medium
The orange and blue ball is perfect. Once start taken because the because the blue noisy one was a little to easy for my dog to start ripping pieces off. Will say most toys do not survive his chewing.
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Reviewed in the United States on January 24, 2026