Yeastar S300 IP PBX

Key Features:

• Up to 300 Users (Expandable to 500): Base support for 300 extensions, expandable with D30 DSP modules.

• 60 Concurrent Calls (Up to 120): Handles up to 60 simultaneous calls, expandable with DSP modules.

• Modular Telephony Ports: Support for up to 24 analog (FXS/FXO), 24 ISDN BRI, 6 GSM/3G/4G, and 3 E1/T1/PRI ports via optional modules.

• Flexible SIP Connectivity: Native SIP/IAX2 support for SIP trunks and distributed VoIP calling.

• Unified Communications Apps: Linkus UC client, auto‑provisioning, LDAP, conference panel, VPN, billing, hotel, and other apps.

• Advanced Telephony Tools: IVR, call queues, music on hold, paging/intercom, voicemail to email, and fax‑to‑email.

• Security & Resilience: Integrated firewall with TLS and SRTP encryption for secure communications.

• Remote & Multi‑Site Support: Connect branch users, remote extensions, and sites via secure SIP.

• Easy Management: Web‑based GUI for intuitive setup, administration, and monitoring.

• Lifetime Upgrade: Free software/firmware upgrades without hidden licenses.

Hardware & Technical Specs:

• Users: 300 (expandable to 500 with up to 2 D30 DSP modules)

• Concurrent Calls: 60 (expandable to 120 with DSP modules)

• SIP Trunks: 300

• Expansion Ports: Up to 3 expansion boards for telephony modules (EX08 or EX30)

• Supported Interfaces: Analog (FXS/FXO), ISDN BRI, GSM/3G/4G, E1/T1/PRI (via modules)

• Ethernet: 2 × 10/100/1000 Mbps LAN/WAN

• Voicemail Storage: Up to 10,000 minutes (expandable)

• Protocols: SIP (RFC3261), IAX2; UDP, TCP, TLS, SRTP transport

• Audio Codecs: G.711, G.722, G.726, G.729A, GSM, Speex, ADPCM, iLBC

• Fax: T.38 fax‑over‑IP support

• Management: Web GUI, remote access

• Mounting: 1U rackmount form factor

• Power: AC 100–240 V, moderate power consumption