If your growing business is tired of clunky phone systems that can’t keep up, the Yeastar P570 IP PBX changes the game. This powerful on-premise solution gives you up to 300 (expandable to 500 users) and 60 concurrent calls (expandable to 120 concurrent calls) in a compact 1U rack unit while letting you mix and match analog, digital, and cellular lines exactly how you need them. Whether you’re an IT manager at a mid-sized company, a small business owner scaling fast, or an enterprise team building hybrid voice setups, the P570 makes reliable unified communications simple, secure, and future-proof.

The Telecom Spot Expert Take

From real-world deployments we’ve studied, the P570 shines for medium-to-large organizations that want full control without cloud dependency. Its modular design means you start with exactly what you need today and expand tomorrow—no forklift upgrades required. IT teams love the intuitive web portal, Linkus mobile/desktop apps, and drag-and-drop Call Flow Designer that cut down on support tickets. Add in built-in call center tools and seamless CRM integrations, and you get measurable wins: faster response times, happier customers, and lower total cost of ownership compared to outdated legacy PBXs or expensive hosted services.

Key Features

Scalable to your growth – Starts at 300 users/60 calls and expands to 500 users/120 calls with up to two D30 modules so you never outgrow your phone system.
Completely modular telephony – Add up to 16 FXS ports for analog phones/faxes, 16 FXO/BRI ports for PSTN/ISDN lines, 6 cellular channels, and 2 E1/T1/J1 trunks using two EX08 or EX30 expansion boards—perfect for hybrid environments.
Unified communications built in – Linkus UC clients (mobile, desktop, web) deliver presence, chat, video meetings, and softphone calling so your team stays connected anywhere.
Powerful call center tools – Queue management, real-time wallboard, whisper/barge/listen, recording, and reporting help your support or sales teams deliver exceptional customer experiences.
Easy administration & security – Drag-and-drop Call Flow Designer, role-based access, 2FA, auto-defense, and hot standby redundancy keep everything running smoothly and safely.
Seamless integrations – Connect with Microsoft Teams, popular CRMs like Salesforce and Zoho, and 210+ ITSPs for one unified platform.
Omnichannel messaging – Handle SMS, WhatsApp, Facebook, and live chat all from the same console so no customer inquiry gets missed.

Technical Specifications

Category	Specification
Users (Base / Max)	300 / 500 (with up to 2 D30 modules)
Concurrent Calls (Base / Max)	60 / 120 (with up to 2 D30 modules)
Call Center Agents	300 / 400 / 500 (with up to 2 D30 modules)
Max FXS Ports	16 (optional cards)
Max FXO / BRI Ports	16 (optional cards)
Max GSM / 3G / 4G Ports	6 (optional cards)
Max E1 / T1 / J1 Ports	2 (optional cards)
Expansion	2 expansion boards (EX08 or EX30) + up to 2 D30 modules
Ethernet Interfaces	2 × 10/100/1000 Mbps
Storage	1 SATA HDD (up to 2 TB) + 1 USB (up to 2 TB) + SD slot
NFC	Yes (quick network setup)
Form Factor	1U Rackmount
Dimensions (L × W × H)	44 × 25.2 × 4.4 cm
Weight	2.38 kg
Power	AC 100-240V, 50/60 Hz, 1.5A max
Operating Temperature	0°C to 40°C (32°F to 104°F)
Protocols & Codecs	SIP, UDP/TCP/TLS/SRTP; G.711, G.722, G.729A, etc.

See Yeastar P-Series Datasheet for full spec