D30 Expansion Module

Expand System Capacity

Add 100 VoIP Users & 30 Concurrent Calls

Supported Model: S100 ( 1 Pcs ) and S300 ( 2 Pcs )

EX08 Expansion Board

EX08 has 4 onboard module slots ( O2/S2/SO )

and 8 interfaces on the panel.

Supported Model: S100 ( 2 pcs ) and S300 ( 3 pcs )

EX30 Expansion Board

EX30 has 1 onboard E1/T1/PRI port.
Supported Model: S100 ( 1 pcs ) and S300 ( 3 pcs )

O2 Modules

2 FXO Ports

Connect 2 analog PSTN lines.

S2 Modules

2 FXS Ports

Add 2 analog telephones.

SO Modules

1 FXS Port & 1 FXO Port

Yeastar S100 VoIP PBX

Simple, powerful and scalable IP-PBX system. Designed for SMBs with less than 200 users

Yeastar S20 VoIP PBX

Compact entry-level small business phone system Easy to use, reliable and feature-rich

Yeastar S300 VoIP PBX

Enterprise-class IP-PBX system built to perform | Supports 300 users and expandable to 500 users.

Yeastar S412 VoIP PBX

All-in-one analog and VoIP capable phone system.
Perfect for start-ups and small business.

Yeastar S50 VoIP PBX

Full-featured rack-mountable IP-PBX built for small business Win with superior UC capacity and next-level efficiency