Yeastar IP-PABX P520

Technical Specifications: Yeastar P520

Feature	Specification
Base Users / Max Users	20 / 20
Max Concurrent Calls	10
Max Analog Ports (FXS/FXO)	4 (Using O2/S2/SO Modules)
Max GSM/3G/4G Ports	1 (Using GSM/3G/4G Modules)
Ethernet Interfaces	2 x 10/100/1000 Mbps (Gigabit)
USB Interface	1 x USB 2.0
Storage	External MicroSD Card (For Recording/Logs)
Protocol Support	SIP (RFC3261), IAX2
Transport	UDP, TCP, TLS, SRTP
Mounting	Desktop or Wall-mount
Power Supply	DC 12V, 3.33A

Modern Startups & SMEs: The perfect “all-in-one” box for a small team that needs professional call handling and remote working capabilities.
Retail & Branch Offices: Connect local analog lines and IP phones while maintaining a direct link to the main headquarters via SIP trunking.
Medical Clinics & Law Firms: Utilize integrated call recording and high-definition voice for accurate documentation and professional client interaction.
Hybrid Workforces: Ideal for businesses where staff split time between the office and home—the Linkus app makes the transition invisible to customers.

Feature	Specification
Base Users / Max Users	100 / 200 (with D30 Module)
Max Concurrent Calls	30 / 60 (with D30 Module)
Max Analog Ports (FXS/FXO)	8 (Using O2/S2/SO Modules)
Max GSM/3G/4G Ports	4 (Using GSM/4G Modules)
Expansion Slots	1 x Slot for EX08/EX30 Expansion Boards
Ethernet Interfaces	2 x 10/100/1000 Mbps (Gigabit)
USB Interface	1 x USB 2.0
Storage	1 x SD Card Slot / USB Drive Support
Protocol Support	SIP (RFC3261), IAX2
Mounting	1U Rack-mount

Expanding Enterprises: The perfect solution for businesses that need a system that can double in capacity without replacing the entire hardware unit.
Customer Support Centers: Utilize the built-in call center features to manage high volumes of incoming sales or support inquiries efficiently.
Multi-Branch Organizations: Connect remote offices through a unified dial plan, allowing for free inter-office calling and centralized management.
Hospitality & Retail: Manage a large number of internal extensions (guest rooms or staff offices) while utilizing GSM trunks for low-cost outgoing mobile calls.

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