联网
| 网路功能 |
Fast Ethernet |
| 支持数据传输率 |
10Mbit/s |
技术细节
| 遵守工业标准 |
IEEE 802.3, IEEE 802.3u |
协议
| 支持网络协议 |
DDNS, DHCP, PPPoE, PPTP, UPnP, DMZ, Telnet |
能量控制
| 输入电压 |
100 - 240 V |
| 接受频率 |
50/60 Hz |
DVG-5004S, VoIP, SIP, Fast Ethernet, 4 x LAN, 4 x FXS, 1 x WAN, DHCP, DNZ, NAT, 430g, Black
<b>4-Port VoIP Station Gateway</b>
The DVG-5004S VoIP station gateways present an ideal Internet telephone solution for business use. These gateways convert voice traffic into data packets for transmission over the Internet, combine the industry's latest Voice over the IP network technology with advanced communication features, and are fully compatible with SIP Internet phone services. Designed as cost-efficient devices, they provide convenience and great savings for companies needing to place frequent long-distance and international business calls.
<b>Cost Saving and Investment Protection</b>
The DVG-5004S gateways provide an easy and inexpensive upgrade to Internet telephony while allowing users to retain their existing telephone and fax equipment. They protect and extend users' past investments in telephones, conference speakerphones and fax machines, as well as to control their migration to IP with a very affordable and incremental investment.
<b>4 Internet Telephone Connections</b>
The DVG-5004S provides 4 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 devices provide great cost savings and convenience, while keeping configuration and maintenance to a minimal level.
<b>Guaranteed Voice Quality</b>
These gateways deliver clear voice and reliable phone/fax communication 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.
<b>Convenient Call Features</b>
The DVG-5004S support extensive call features, allowing the service providers to offer these functions to their subscribers. Provided that the telephone sets at the end-users side support these functions, callers can take advantage of these convenient features. Configuration of individual phone connection is easy using the multi-language Interactive Voice Response (IVR) or the web-based user's interface. Shared Broadband Internet Connection/Integrated 4-Port Switch. The gateways provide a convenient router function to permit office users to share the Internet broadband line. With 4 integrated Ethernet ports, office computers can readily connect to these gateways and use their built-in NAT/DHCP server functions for automatic logon to the Internet.
