S300, Telecom, PBX, Yeastar, 500 Users, 120 Concurrent Calls, 1U 19-inch Rackmount
High-density 1U modular IP PBX supporting 300 to 500 users and 60 to 120 concurrent calls with 3 expansion board slots and dual D30 DSP slots.
Product Overview
The Yeastar S300 is the largest capacity PBX in the S-Series family, purpose-built for medium-to-large enterprises, multi-location organizations, and busy call centers. Offering 300 users and 60 concurrent calls in its base configuration, the S300 expands up to 500 users and 120 concurrent calls with the addition of up to two D30 DSP modules. Boasting 3 expansion board slots, the S300 can accommodate up to 3 EX30 E1/T1/PRI digital trunk boards (supporting up to 90 digital channels) or up to 3 EX08 boards (hosting up to 24 FXS/FXO/BRI ports and 6 mobile lines). Coupled with full Linkus UC integration, high-availability hot standby redundancy, and comprehensive call management tools, the S300 provides enterprise robustness.
Why Buy This Product
Up to 500 Enterprise Extensions
Empower up to 500 phone extensions with 120 simultaneous calls to serve high-density enterprise telephony.
Triple E1/PRI Link Density
Install up to 3 EX30 expansion boards for 90 concurrent digital E1/PRI lines connecting multiple telecom operators.
Mission-Critical Hot Standby
Enables 1:1 active/standby hot failover to guarantee uninterrupted operations in mission-critical environments.
Best for These Applications
Large Corporations & Head Offices
Headquarters managing communication across hundreds of desks, departments, and external sites.
Customer Interaction Hubs
High-volume call routing centers requiring heavy call concurrency and full queue monitoring.
Hospitals & Healthcare Facilities
Hospitals needing dependable analog emergency extensions alongside VoIP doctor consoles.
Key Advantages
- Triple Board Expansion Bay:Offers 3 expansion slots for ultimate flexibility in combining E1 PRI links, FXS stations, and GSM trunks.
- Dual D30 DSP Expansion:Allows installing two D30 modules to double both extension count (from 300 to 500) and call concurrency (from 60 to 120).
- App Center Modularity:Add hotel PMS integration, auto-provisioning, billing engines, and LDAP corporate directories without extra hardware.
Frequently Asked Questions
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Weight | 2.6 |
| Shipping Weight | 3.6 |
| User Capacity | 500 |
| Max Ip Users | 500 |
| Concurrent Calls | 120 |
| Analog Extensions | 24 |
| Co Lines | 24 |
| Bri Ports | 24 |
| Gsm Channels | 6 |
| Cellular Ports | 6 |
| Pri Ports | 3 |
| Expansion Slots | 3 |
| Expansion Boards | 3 |
| Dsp Modules | 2 |
| Sip Trunks | 100 |
| Voip Channels | 120 |
| Voicemail Channels | 32 |
| Voicemail Storage | 10,000 minutes (built-in internal flash) |
| Audio Conferencing | Integrated 64-Party Audio Conference |
| Call Detail Records | Centralized database with automated export |
| System Architecture | 1U High-Capacity Enterprise IP PBX with Triple Expansion Bays |
| Power Supply | 100-240V AC 50/60Hz, 1.5A Internal Power Supply |
| Power Consumption | 6.2 - 60W |
| Mounting Form Factor | 1U 19-inch Rackmount |
| Dimensions | 440 x 252 x 44 mm |
| Weight | 2.6 kg |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Ethernet Interfaces | 2 x 10/100/1000 Mbps Gigabit Ports (LAN/WAN) |
| Usb Ports | 1 x USB 2.0 Port |
| Sd Card Slot | 1 x SD Card Slot (up to 256GB) |
| Hard Drive Support | Optional 2.5-inch SATA Hard Drive Support |
| Voip Protocols | SIP (RFC3261), IAX2, TLS, SRTP, IPv4, IPv6 |
| Audio Codecs | G.711a, G.711u, G.722 (HD Voice), G.726, G.729A, GSM, iLBC, Opus |
| Certifications | CE, FCC, RoHS |
| Stock | 4 |
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