Grandstream GXW4232 High-Density FXS Gateway

Grandstream GXW4232 High-Density FXS Gateway

• Telephone connections: 32 x RJ11 FXS ports and 2 x 50-pin Telco connectors
• Network interfaces: 1 x 10M/100M/1000Mbps RJ45 port with Automatic identification
• LED indicators: LAN Link, LAN Activity, connection for each phone port
• LCD display: 128x32 backlit graphic LCD display with multi-language support
• Speech transmission functions: Windows-based carrier-class line echo cancellation, dynamic delay oscillation buffer, modem detection and automatic switching to G.711
• Compression of the speech signal: G.711, G.723.1, G.726 (40/32/24/16), G.729 A/B, iLBC
• Fax by IP: T.38 compliant Group 3 Fax Relay (up to 14.4 Kbit/s), V.17, V.21, V.27ter, V.29, automatic switching to G.711
• Phone functions: Caller ID (display/block), call waiting, blind/attended transfer, forwarding, DND, 3-way conference, last call redial, search call, NEON LED, auto-dial
• Quality of service: DiffServ, TOS, 802.1P/Q VLAN tagging
• Network protocols: TCP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS, DHCP, NTP, TFTP, TELNET, PPPoE, STUN, LLDP
• DTMF method: Configurable (In-audio, RFC2833, and/or SIP INFO)
• Signal transmission: SIP (RFC 3261) over UDP/TCP/TLS
• SIP profiles/accounts: 4 separate SIP server profiles and separate SIP accounts for each phone port
• Registration: TFTP, HTTP, HTTPS, TR069
• Safety & Management: SRTP, TLS/SIPS, HTTPS (AES-128 encryption), Syslog, Web browser, Telnet, Voice reminders, TR-069
• Universal power supply: Output: DC 12V, 5A; Input: 100~240V AC, 50~60Hz
• Environmental characteristics: Operation: 0°C ~ 45°C; Humidity: 10% ~ 90% (non-condensing)
• Electrical protection: Overvoltage and surge protection (ITU-T K.21 recommendation)
• Installation: Desktop and Rack mount (front brackets)
• Communication range: 2 REN, up to 6000 feet for 24 AWG wire
• Caller ID standards: Bellcore Type 1&2, ETSI, BT, NTT, and DTMF-based CID
• Compliance: FCC Part 15 Class B, EN55022 Class B, EN60950-1, RoHS, C-TICK, ITU-T K.21