Yeastar B2 Dual-Port BRI ISDN Expansion Module
SKU: 63945749827

Yeastar B2 Dual-Port BRI ISDN Expansion Module

Sale price$1300.99 Regular price$1445.55
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Description

Yeastar B2 Dual-Port BRI ISDN Expansion ModuleExpand Your Communication Capabilities with ISDN Connectivity The Yeastar B2 Module is an essential expansion card designed to seamlessly integrate your Yeastar PBX system with ISDN (Integrated Services Digital Network) telephone lines. This module equips your device with two Basic Rate Interface (BRI) ports, allowing for high quality, reliable digital voice and data transmission. Each port can be flexibly configured to either Network Terminator (NT)

Expand Your Communication Capabilities with ISDN Connectivity

The Yeastar B2 Module is an essential expansion card designed to seamlessly integrate your Yeastar PBX system with ISDN (Integrated Services Digital Network) telephone lines. This module equips your device with two Basic Rate Interface (BRI) ports, allowing for high-quality, reliable digital voice and data transmission. Each port can be flexibly configured to either Network Terminator (NT) or Terminal Equipment (TE) mode, providing versatile deployment options for your specific business needs. This plug-and-play module is the ideal solution for businesses looking to leverage existing ISDN infrastructure or transition from analog to a digital telephony environment.

Broad Compatibility and Easy Integration

Designed for straightforward installation, the Yeastar B2 module is compatible with a wide range of Yeastar PBX systems. It can be used with various models including the MyPBX SOHO, MyPBX Standard, MyPBX U100, MyPBX U200, MyPBX U5XX, and the S-Series VoIP PBXs. This broad compatibility ensures that you can easily enhance the functionality of your existing Yeastar hardware without the need for complex configurations.

Technical Specifications

Brand Yeastar
Model B2
Ports 2 x NT/TE BRI Ports
Connection RJ-45
ISDN Interface S interface
Signaling EDSS1 (Q.931)
Bearer Channels 2 x 64 kbit/s per port (voice or user data)
Data Channel 1 x 16 kbit/s per port (signaling/X.25)
Compatible Yeastar PBX Systems MyPBX SOHO, MyPBX Standard, MyPBX Enterprise, MyPBX U100, MyPBX U200, MyPBX U5XX, S-Series (S20, S50, S100, S300, S412), P-Series (P550, P560, P570)
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 63945749827

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Susan
Phoenix, US
★★★★★ 4
Stay put!
Number of Items: 3, Color: White/Neutral (3-pairs), Size: Medium
Nice and thin, soft, and stay put. I wear an 8 shoe and don’t like a thick sock taking up room. These socks are a bit tight on big toe. Wish they came in large.
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Reviewed in the United States on October 10, 2023
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Stephanie Robnett
Alexandria, US
★★★★★ 5
The best
Number of Items: 3, Color: White/Neutral (3-pairs), Size: Medium
The best no show socks I have found. Stay in place very well and hold up wash after wash. I have tossed all the other brands I’ve bought over the years and stocked up on these as I was tired of digging through the drawer hoping to find a clean pair.
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Reviewed in the United States on December 8, 2024
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Ginni
Pawtucket, US
★★★★★ 5
Love these.
Number of Items: 3, Color: White (3-pairs), Size: Medium
I have them in black and white. I use them everyday in all shoes. These are very versatile and a great quality material. They take a looong time to wear and they stay in place. Very washable and good material. They are not too thick and they do not shrink. I do air dry mine. They do not hold smells even in the summer heat.
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Reviewed in the United States on July 7, 2024
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Maria White
West Palm Beach, US
★★★★★ 5
Perfect!
Number of Items: 3, Color: Pink Quartz Assorted (3-pairs), Size: Medium
My new favorite socks! True to size, fit perfectly, and the best part is they do not slide off your foot! 10/10 recommend!
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Reviewed in the United States on July 10, 2025
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Jeannie Moore
Los Angeles, US
★★★★★ 5
Love my socks!
They fit perfect!
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Reviewed in the United States on March 19, 2026

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