Yeastar B2 Module – 2-Port BRI (4 Circuits) ISDN Expansion for S-Series & P-Series PBX

The Yeastar B2 Module is a dual-port BRI (ISDN) expansion module that provides 4 BRI channels (2 ports × 2 circuits each) for Yeastar S-Series and P-Series PBX systems. Designed for businesses needing reliable ISDN connectivity, the B2 module delivers crystal-clear digital voice and easy integration with existing telecom infrastructure.

With simple installation and flexible configuration, the Yeastar B2 module is an excellent solution for organizations looking to add BRI trunk or extension connections to their IP PBX system.

Key Features:

• 2-Port BRI (4 Circuits): Adds up to 4 ISDN BRI channels for digital voice.
• Seamless Compatibility: Works with Yeastar S-Series (S100, S300) and P-Series PBX systems.
• Flexible Usage: Configure as BRI trunk or BRI extension lines.
• Crystal-Clear Voice Quality: Ensures stable, high-quality digital communication.
• Easy Installation: Plug-and-play design for quick setup.
• Scalable Solution: Ideal for small to medium businesses expanding digital connectivity.

Technical Specifications:

• Ports: 2 × RJ45 (BRI Interface)
• Circuits: 4 total (2 per port)
• Signaling: ISDN BRI
• Compatibility: Yeastar S100, S300, P-Series PBX
• Function: Supports voice over ISDN trunks or extensions
• Installation: Internal modular slot
• Warranty: 1-Year Manufacturer Warranty