Yeastar Expansion Module B2

Technical Specifications: Yeastar B2

Feature	Specification
Ports	2 x BRI (S0) Ports
Interface	RJ45
Channels	4 Concurrent Channels (2 per Port)
Protocol Support	Euro-ISDN (DSS1)
Connection Mode	TE (Terminal Equipment) or NT (Network Termination)
Compatibility (S-Series)	S20, S50, S100, S300, S412
Compatibility (P-Series)	P550, P560, P570 (via EX08/EX30 Expansion Boards)
Dimensions	50 x 35 mm (Compact Internal Module)

Businesses with Existing ISDN Infrastructure: Perfect for companies that already have a contract for BRI lines and want to upgrade their PBX hardware without changing their service provider.
High-Stability Voice Requirements: Ideal for law firms, financial institutions, and medical offices where call drops or “internet-related” audio issues are not acceptable.
Hybrid Communication Strategies: Use BRI lines for your primary incoming business number and SIP trunks for low-cost international outgoing calls.
Redundancy & Failover: Configure the B2 module as a backup—if your primary fiber internet goes down, your office can still make calls via the digital BRI lines.

Showing the single result