MyPBX S300


Yeastar S300 delivers enterprise-class IP telephony services with a base configuration that supports

300 users. Expandable to 500 users,S300 grows with you business and supports up to 24 analog

ports, up to 24 BRI ports, up to 3 E1/T1/PRI ports, and up to 6 GSM channels.







• Users: 300 (up to 500)
• Max Concurrent Calls: 60 (up to 120)
• Max Analog Ports: 24
• Max BRI Ports: 24
• Max Cellular Ports: 6
• Max E1/T1/J1 Ports: 3
• VoIP Trunks: 100
• Protocol: SIP (RFC3261), IAX2
• Transport Protocol: UDP, TCP, TLS, SRTP
• Codec: G.711 (alaw/ulaw), G.722, G.726, G.729A, GSM, Speex, ADPCM, iLBC, H.263, H.263P, H.264, MPEG4
• DTMF: In-band, RFC4733, RFC2833, SIP INFO
• LAN: 1 x 10/100/1000 Mbps
• WAN: 1 x 10/100/1000 Mbps
• IP Services: Static IP, DHCP, VPN, Firewall, VLAN, DDNS, PPPoE, QoS, Static NAT,STUN
• Voicemail: 10000 min (expandable)
• Firewall: Yes
• T.38 Fax: Yes
• App Center: Yes
• External Storage: SD card and 2.5" SATA HDD
• USB: 1
• Power: AC 100-240V 50/60Hz 1.8A max
• Size: 44 x 25.2 x 4.4 cm (17.3 x 9.9 x 1.7")
• Weight: 2.6 kg (5.73 lbs)
• Power Consumption: 6.2 to 59.1 W
• Environment: 
    Operation Temperature: 0 to 40°C (32 to 104°F)
    Storage Temperature: -20 to 65°C (-4 to 149°F)
    Humidity: 10 to 90% non-condensing
• Mounting: 1U Rack-Mount



Attended Transfer


Blind Transfer

BLF Support

Call Back

Call Detail Records

Call Forwarding

Call Pickup

Call Routing

Call Waiting

Caller ID


Define Business Hours

Dial by Name

DISA (Direct Inward System Access)

Distinctive Ringtone


Do Not Disturb

Fax to Email


Follow me

IP Blacklist


IVR (Interactive Voice Response)

Intercom/Zone Intercom

Mobility Extension

Music on Hold

Paging/Zone Paging

Phone Provisioning

PIN User


Ring Group

Skype Integration

Speed Dial

Spy Functions

Three-way Calling

Video Calls


Voicemail to email

Web-based control panel




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