DVG-7022SEOL EOS
תאור
The DVG-7022S/7044S/7062S VoIP gateways present an ideal 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.
Up to 6 FXS Ports Up to 4 FXO Ports Convenient Call Features Shared Broadband Internet Connection/Integrated 4-Port Switch
Depending on the model, users can have up to 6 FXS ports for simultaneous Internet phone connections. Plug in regular phone sets to these ports, and they instantly become Internet telephones. For businesses with frequent needs for long-distance and international phone calls, these gateways provide great cost savings and convenience, while keeping configuration and maintenance to a minimal level.
In a remote IP phone to local analog phone line application, a branch office can take in IP voice calls from a head office. Though the FXO ports, the gateways route them to local destinations equipped with only analog phones. The long distance calls are sent through the Internet without any phone charge, and the remote office pays only for the local analog phone time. The gateways connect analog callers to the IP network without involving operators or incurring toll charges from telephone companies Guaranteed Voice Quality. 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.
מאפיינים כללים
Device Interfaces
• 2-port FXS c RJ-11
• 2-port FXO with RJ-11
• 1-port 10/100BASE-TX RJ-45 WAN
• 4-port 10/100BASE-TX RJ-45 LAN with Ethernet
Connection types
• DHCP-client
• PPPoE-client
• PPTP
• Cable BigPond (Australia)
Routing
• DHCP-server
• Virtual Server
• DMZ
• Filtering based on port, IP, MAC, URL
• RIP v.1, v.2, Static route
• DDNS: DynDns.org, TZO, 3322.ORG
• NAT Traversal: pass-through NAT, client STUN, UPnP
Phone book
• Server phone book management, up to 200 entries IAD
SIP
• Register port "By Port" "By machine
• Dialing in the standard E.164
• Redundant SIP PROXY (registration)
• SIP PING
• CLIR (Anonymous Caller ID)
• Function hot line / warm line
• Functions of a group call
• Hold, Call Waiting, Call
• Call forwarding: with accompaniment / unaccompanied
• Call forwarding: unconditional, busy, no answer
• 3-way conference
• T.30 fax pass-through
• T.38 fax relay
• Adjustable tone detection Fax
• Out of band DTMF: RFC2833, SIP INFO
Voice Features
• G.711 a / u, G.726 (32K), G.729A, G.723.1
• Adjustable jitter-buffer
• Variable packet size (depending on codec)
• Detection and Noise Reduction
• Echo
• Local phone book enables you to call other VoIP devices without registration
• Speed Dial
• Call filter - accept / reject calls from the IP-address
• ID-generation FXS-Call: DTMF, FSK (Bell core / ETSI)
• Support the FLASH button
Management
• Web-based interface and Telnet, IVR
Indicators
• Power
• Reset
• Alarm
• Run