SIP Yeastar S20 VoIP PBX support 2 onboard module slots
IP PBX (IP - Private Branch Exchange) is a system that connects telephone extensions in the organization to the
Public Switched Telephone Network (PSTN) and may provide additional audio, video, or instant messaging
communication utilizing the TCP/IP (with Internet) protocol stack.
Users:20, Max. Concurrent Calls:10, Max. Analog Ports:4, Max. GSM/3G/4G ports:1, VoIP Trunks:20
External Storage TF Card, Firewall, T.38 Fax, Hot Standby, Built-in call recording capability
S20 support 2 onboard module slots to custom FXS, FXO, ISDN BRI, GSM/3G/4G.
Create effective business communication, connecting to traditional lines, VoIP lines, and cellular networks
• Works with: SIP/IAX2, PSTN lines, ISDN BRI, E1/T1/PRI, and GSM/3G/4G
Aveilable Modules: S2 two FXS Ports (add 2 analog telephones), O2 two FXO Ports (2 analog PSTN (POTS) lines)
SO 1 FXS Port & 1 FXO Port, B2 2 BRI Ports, GSM 1 GSM Channel, 3G 1 WCDMA Channel, 4G 3G/4G Voice Call & Data
Default Delivery without any Module !!
App Center: Linkus Mobile Client, Phone Provisioning, LDAP Server, Conference Panel,
VPN Server, Billing App, Hotel App, QueueMetrics Integration
Future-proof: free lifetime software/firmware upgrade assures reliability over the years.
Protocol: SIP (RFC3261), IAX2, Transport Protocol: UDP, TCP, TLS, SRTP
Codec: G711, G722, G726, G729A, GSM, Speex, ADPCM, iLBC, H263, H263P, H264, MPEG4
DTMF: In-band, RFC4733, RFC2833, SIP INFO
IP Services: Static IP, DHCP, VPN, Firewall, VLAN, DDNS, PPPoE, QoS, Static NAT, STUN
Ethernet Interfaces: 2 × 10/100 Mbps , Voicemail: 5000 min (expandable)
Power: 12VDC/1A/1.8-10.6 W , Size: 160x160x30mm / 0.35Kg