PRODUCT SPECIFICATIONS
Grandstream GXW4248
The GXW4248 high-density FXS gateway series enables businesses of all sizes to create a cost-effective hybrid IP and analog telephone system that offers the benefits of VoIP communications and takes advantage of Gigabit speeds while preserving investment on existing analog phones, fax machines and legacy PBX systems. The GXW4200 series includes 16/24/32/48 FXS ports, a Gigabit network port and features broad interoperability with most service providers, soft-switches and SIP-based environments.
Key Features
- 10/100/1000Mbps auto-sensing RJ45 port
- TLS and SRTP security encryption technology to protect calls and accounts
- Automated provisioning options include TR069 and XML config files
- Supports 3-way voice conferencing
- Failover SIP server feature automatically switches to secondary server if main server loses connection
- Supports T.38 Fax for creating Faxover-IP
- Supports a wide range of caller ID formats
- Use with Grandstream’s UCM series of IP PBXs for Zero Configuration provisioning
- Supports advanced telephony features, including call transfer, call forward, call-waiting, do not disturb, message waiting indication, multilanguage promtps, flexible dial plan and more
Technical Especifications
- Telephone Interfaces: 2 50-pin Telco connectors
- Network Interfaces: 1 x 10M/100M/1000Mbps auto-sensing RJ45 port
- LED indicators: LAN Link, LAN Activity, Connection Per Telephone Port
- LCD display: Backlit 128x32 graphic LCD display with support for multiple languages
- Voice-over-Packet Capabilities: Window based carrier grade line echo cancellation, dynamic jitter buffer, modern detection & auto-switch to G.711
- Voice Compression: G.711, G.723.1, G.726 (40/32/24/16), G.729 A/B, iLBC
- Fax over IP: T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for Fax Pass-through, Fax data pump V.17, V.21, V.27ter, V.29 for T.38 fax relay
- Telephone Features: Caller ID display or block, call waiting, blind or attended call transfer, call forward, do not disturb, 3-way conference, last call return, paging, message waiting indicator LED (NEON LED) support and stutter tone, auto dial
- QoS: 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: Flexible DTMF transmission methods including in-audio, RFC2833, and/or SIP INFO
- Signaling: SIP (RFC 3261) over UDP/TCP/TLS
- SIP Server Profiles & Accounts Per System: 4 distinct SIP server profiles per system and independent SIP account per telephone port
- Provisioning: TFTP, HTTP, HTTTPS, TR069
- Security: SRTP, TLS/SIPS, HTTPS, 802.1x
- Management: Syslog, HTTPS, Web browser, voice prompt, TR-069
- Physical:
- Unit dimension: 440mm (L) x 255mm (W) x 44mm (H) (1U)
- Unit Weight: 3.21KG
- Package weight: 4.31KG
- Universal Power Supply:
- Output: 24VDC, 6.25A;
- Input: 100 ~ 240VAC, 50~ 60Hz
- Environmental Operating: 0 °C ~ 40C; Storage: -20°C ~ 60°C; Humidity: 10% ~90% (non-condensing) Electrical Protection Over-voltage and over-current protection (ITU-T Reccomendation K.21, Basic Test Level)
- Mounting: Desktop and rack mount with front brackets
- LED Indicators: Power, LAN Link/Activity, Hard Drive Activity
- Short & Long Haul: 2 REN, up to 2km on 24 AWG wire
- Caller ID: Bellcore Type 1&2, ETSI, BT, NTT, and DTMF-based CID
- Disconnect Methods: Busy Tone, Polarity Reversal/Wink, Loop Current
- Compliance: FCC: Part 15 (CFR 47) Class B CE: EN55022 Class B, EN55024, EN61000-3-2, EN16000-3-3, EN60950-1, RoHS C-TICK; AS/NZS CISPR 22 Class B, AS/NZS CISPR 24, AN/NZS 60950 ITU-T K.21 (Basic Test Level); UL 60950 (power adapter)