Grandstream GXW4224 24 FXS Port VoIP Gateway

Condition: Used Model: Grandstream GXW4224 Ports: 24 RJ11 FXS ports Ethernet Interfaces: 1 Gigabit port Voice Compression Codecs: G.711, G.723, G.726, G.729, iLBC, and T.38 Fax compliant Caller ID: Bellcore Type 1 & 2, ETSI, BT, NTT, and CID based on DTMF LED Indicators: Power, Ready, Hook, Network, Line status Voice-over-Packet Capabilities: LEC with NLP Packetized Voice Protocol, 128ms-tail-length carrier grade Line Echo Cancellation, Dynamic Jitter Buffer, Modem detection & auto-switch to G.711 Quality of Service: DiffServ, TOS, 802.1P/Q VLAN tagging Network Protocols: TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, SSH Management: Syslog support, HTTPS, Web browser administration, Voice Prompt, Telnet Power Supply: 100 - 240VAC (12VDC 5A) Environmental: Operating Temperature: 32 - 104°F (0 - 40°C), Humidity: 10 - 90% non-condensing Dimensions: 440mm (W) x 255mm (D) x 44mm (H) Mounting: Rack-mountable Compliance: FCC, CE, C-Tick, RoHS