Yeastar S20 VoIP PBX

Users: 20
Max Concurrent Calls: 10
Max FXS Ports: 4
Max FXO/BRI Ports: 4
Max GSM/3G/4G Ports: 1
Max 4G Port (Data): 1
Max E1/T1/J1 Ports: –
VoIP Trunks: 20
Protocol: SIP (RFC3261), IAX2
Transport Protocol: UDP, TCP, TLS, SRTP
Codec: G711 (alaw/ulaw), G722, G726, G729A, GSM, Speex, ADPCM, iLBC, H263, H263P, H264, MPEG4
DTMF: In-band, RFC4733, RFC2833, SIP INFO
Ethernet Interfaces: 2 × 10/100 Mbps
IP Services: Static IP, DHCP, VPN, Firewall, VLAN, DDNS, PPPoE, QoS, Static NAT, STUN
Voicemail: 5000 min (expandable)
Firewall: Yes
T.38 Fax: Yes
Hot Standby: Yes
App Center: Linkus Mobile Client, Phone Provisioning, LDAP Server, Conference Panel, VPN Server, Billing App, Hotel App, charutile h+ Integration, QueueMetrics Integration
External Storage: TF Card
USB: –
Power: DC 12V 1A
Size (L x W x H) (cm): 16 x 16 x 3
Weight: 0.3 kg
Power Consumption: 1.8-10.6 W
Environment: Operation Range: 0°C to 40°C, 32°F to 104°F; Storage Range: -20°C to 65°C, -4°F to 149°F; Humidity: 10-90% non-condensing
Mounting: Desktop & Wall-mount
Warranty: 1 year