Analog Gateways

 

» 24 cổng FXS

» Màn hình hiển thị

» 1 cổng 1000 Mbps Ethernet RJ45

» Có sẵn sip Account trên các điểm

» Hổ trợ nhiều SIP accounts (chọn 2 nhà cung cấp dịch vụ khác nhau)

» Hổ trợ triệt tiếng vọng (EC)

» Hổ trợ điện thoại Analog và Analog Trunk.

» Hổ trợ nhều chuẩn thoại G.711, G.723, G.726A/B/E, iLBC, T.38 Fax

» Phát hiện kích hoạt bằng thoại.

» Cân chỉnh nhiễu

 

Grandstream GXW4224 Core Features

• 24x telephone FXS ports with both RJ11 and 1x 50-pin Telco connectors, as well as per port LED
• Gigabit Ethernet and a backlit 128x32 graphic LCD display with support for multiple languages
• 3 SIP server profiles per system and independent SIP account per port
• Supported voice/Fax codecs include G.711, G.723.1, G.726, G.729A/B, iLBC, T.38 Fax
• Advanced carrier grade 128ms-tail-length line echo cancellation
• Over-voltage and over-current protection (ITU-T K.21 Basic Test Level)
• Support VMWI, NEON LED and stutter tone for message waiting indication
• Automated provisioning using TR-069 or AES encrypted XML configuration file; TLS/SRTP/HTTPS for advanced security and privacy protection

 

Grandstream GXW4224 Technical Specifications

• Telephone Interfaces: 24x RJ11 FXS ports plus 1x 50-pin Telco connector
• Network Interfaces: 1x 10M/100M/10000Mbps 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: Carrier grade 128-ms-tail-length line echo cancellation, dynamic jutter buffer, modem detection & auto-switch to G.711
• Voice Compression: G.711, G.723.1, G.726 (40/32/23/16), G.729 A/B, iLBC
• Fax over IP: T.38 compliant Group 3 Fax Relay up to 14.4kbps and auto-switch to G.711 for Fax Pass-through, Fax Datapump V.17, V.21, V.27ter, V.29 for T.38 fax relay
• Telephony 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, flexible dial plan.
• QoS: DiffServ, TOS, 802.1P/Q VLAN tagging
• Network Protocols: TCP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS, DHCP, NTP, TFTP, PPPoE, STUN, LLDP (pending)
• DTMF Method: Flexible DTMF transmission methods including ln-audio, RFC2833, and/or SIP INFO
• Signaling: SIP (RFC 3261) over UDP/TCP/TLS
• SIP Server Profiles & Accounts Per System: 2 distinct SIP server profiles per system and an independent SIP account per telephone port
• Provisioning: TFTP, HTTP, HTTPS, TR069
• Security: SRTP, TLS/SIPS, HTTPS, 802.1x
• Management: Syslog, HTTPS, Web browser, voice prompt, TR-069
• Universal Power Supply: Output - 12VDC, 5A; Input - 100 ~ 240VAC, 50 ~ 60Hz
• Environmental: Operating: 0° ~ 40°C; Storage: -20°C ~ 60°C; Humidity: 10% ~ 90% (non-condensing)
• Electrical Protection: Over-voltage and over-protection (ITU-T Recommendation K.21, Basic Test Level)
• Dimensions: 440mm (L) x 185mm (W) x 44mm (H)
• Unit Weight: 2.57KG
• Package Weight: 3.62KG
• Mounting: Desktop and rack mount with front brackets
• Short & Long Haul: 2 REN, up to 1500ft 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, EN61000-3-3, EN60950-1, RoHS C-TICK: AS/NZS CISPR 22 Class B, AS/NZS CISPR 24, AS/NZS 60950 ITU-T K.21 (Basic Test Level); UL 60950 (power adapter)