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D-Link DVG-7022S

details: 4-Port VoIP Gateway
hardware type: VoIP Gateway
date added: 2010-07-29
updated: 2011-06-06
The DVG-7022S VoIP gateways present an Internet telephone solution for business use. These gateways convert voice traffic into data packets for transmission over the Internet, and vice versa.

Equipped with both FXS and FXO types of phone ports, these gateways provides flexible and convenient connection to PSTN lines, PBXs and standard phones for voice and fax over any IP network. They combine the industry's latest Voice over the IP network technology with advanced communication features, and are fully compatible with SIP Internet phone services. Now, from a single device, corporate, small, or remote offices can access Internet telephony services, eliminate toll charges and route calls to and from the PSTN, Internet, or LAN.

The gateways deliver clear sound, voice and reliable fax calling through implementation of internationally recognized standards for voice and data networking. They incorporate Quality of Service (QoS) functions to ensure that voice received through the Internet is the same as or even surpasses that received on the ordinary phone.
 
 
 
 DVG-7022S Features
 General
 Availability: currently available
 LAN / WAN Connectivity
 WAN ports: 1
 WAN port(s) type: 10/100 Base-TX (RJ-45)
 WAN port auto cross-over: yes
 LAN ports: 4
 LAN ports type: 10/100 Base-TX (RJ-45)
 LAN ports auto cross-over: yes
 RJ-11 FXS VoIP phone ports: 2
 RJ-11 FXO VoIP PSTN wall jack port: 2
 Router
 NAT routing: yes
 Multihomed: yes
 DHCP server: yes
 DHCP client: yes
 Dynamic DNS client: yes
 QoS: yes
 UPnP: yes
 MAC Address clone: yes
 VoIP
 VoIP Protocols: SIP v2 (RFC 3261)
RTP / RTCP (RFCs 1889/1890)
 VoIP Audio Codecs: G.711 (PCM)
G.723.1
G.726
G.729 (a/b)
 VoIP Voice Features: Echo Cancellation (G.165/G.168)
Adaptive Jitter Buffer
3-way conferencing
Caller ID
Call waiting
Call transfer
Call forward
Speed Dialing
Voice Activity Detection (VAD)
Comfort Noise Generator (CNG)
 Firewall
 DoS / DDoS protection: yes
 Device Management
 Default IP address: 192.168.8.254
 Default admin username: admin
 Default admin password: (blank)
 Administration: Web-based (LAN)
Quick Setup Wizard
Telnet / CLI
 Firmware upgradeable: yes
 Diagnostic functions: yes
ping
 Misc hardware info
 SNMP support: SNMP v.1, SNMP v.2
 Links
 Datasheet: http://global.dlink.com.sg/site_pdtpdfs/...
 Manual: http://ftp.dlink.ru/pub/VoIP/DVG-7022S/D...

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