• Telephony Modules
-S2 Module: 2 FXS ports to connect 2 analog telephones
-O2 Module: 2 FXO ports to connect 2 analog PSTN lines
-SO Module: 1 FXS port and 1 FXO port for PSTN fallback
-B2 Module: 2 NT/TE BRI ports
-GSM/3G Module: 1 channel for GSM voice calls
-4G LET Module: Enable 4G cellular data on SIM card

• Add Telephony Interfaces
To add more telephony interfaces, go for the expansion boards.
EX08 has 4 onboard module slots and 8 interfaces on the panel, while
EX30 has 1 onboard E1/T1/PRI port.
P560 supports one expansion board and P570 allows two.

• Expand System Capacity
As your business expands, more uses and concurrent calls can also be added easily to meet growing needs. Each DSP module gives you an extra 100 VoIP users and 30 concurrent calls, and you can add up to 1 DSP module to your P560 and up to 2 DSP modules to your P570.

The perfect blend of IP PBX reliability, flexibility, and security

• Intuitive user interface: easy to adopt, use, and manage
• Queue Callback, call flip, call recording, and more
• Compatibility tested with 120+ ITSPs worldwide
• IP Phone Auto-provisioning support for 270+ models
• Seamless interoperability with PSTN, ISDN, E1/T1/PRI, and analog
• Hot Standby: dual-server redundancy with real-time data sync
• Multi-layer security measures: 2FA, Auto & Static Defense, etc.

Robust and ready-made IP PBX integrations

Integrate Yeastar IP PBX to collaboration tools, CRM, helpdesk, and more, and enhance your existing infrastructure. Enjoy the flexibility and tailored experiences enabled by a robust app ecosystem.