S20

Product Description

The S20 is a stand-alone telepgone system offering an unrivalled range of features to small business with less than 20 users. It supports 10 concurrent calls and various combinations of telephony ports including FXS, PSTN, ISDN BRI, and GSM/CFMA/3G.

Features

  • Users: 20
  • Max Concurrent Calls: 10
  • Max Analog Ports: 4
  • Max BRI Ports: 4
  • Max Cellular Ports: 1
  • VoIP Trunks: 20
  • 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 Mbps
  • WAN: 1 x 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
  • App Center: Yes
  • External Storage: TF card
  • Power: DC 12V 1A
  • Size: 16 x 16 x 3 cm (6.3 x 6.3 x 1.18 “)
  • Weight: 0.3 kg (0.66 lbs)
  • Power Consumption: 1.8 to 10.6 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: Desktop and Wall-Mount