DVG-5004S
:
Internet Phone Connection for Business (4-Port Gateway)
The DVG-5004S/DVG5008S 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.
Cost Saving and Investment Protection
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. 4 Internet Telephone Connections. The DVG-5004S provides 4 FXS ports. 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.
Guaranteed Voice Quality
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.
Convenient Call Features
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.
Product Details
| Technical Specifications |
|
|
Device Interfaces |
|
4 FXS RJ-11 ports 1 10/100BASE-TX RJ-45 WAN port
4 10/100BASE-TX RJ-45 LAN ports |
WAN Access Types |
|
DHCP client
PPPoE client
Static IP address
PPTP
BigPond Cable (Australia)
MAC cloning on WAN port
|
| Router |
|
DHCP Server
Virtual Server
Port-triggered special application
DMZ
Port filter
IP filter
MAC filter
URL filter
RIP v.1, v.2
Static Route
DDNS: DynDns.org, TZO, 3322.ORG, Peanut Hull
NAT Traversal: pass-through NAT, STUN client, UPnP Control Point |
| Phone Book |
|
Phone Book Manager Server (selected version),
up to 200 IAD registrations
Phone Book Manager Client |
| Network & Firewall |
|
NTP (Network Time Protocol) support
DoS prevention engine (configurable) |
QoS |
|
SIP and RTP always first policy
WAN access rate control
IP Precedence, DSCP (DiffServ) tagging on SIP and RTP packets
LAN port rate limit, hi/low queue control |
|
|
SIP |
|
By port registration
By IAD registration
Mixed configuration of "By Port" and "By IAD" on the same IAD
Outbound Proxy
Session Timer: Update, Re-Invite
E.164 Numbering
Redundant SIP PROXY support (fail-over by registration)
SIP PING (on special version)
Adjustable NAT port binding interval (binding with Proxy)
CLIR (anonymous caller ID)
Hot line/warm line
Group hunting, configurable hunting sequence
Support one-way media (SIP 183)
Call hold
Call waiting
Call transfer: attended, unattended
Call forward: unconditional, busy, no answer
3-way conference compatible with NORTEL MCS5200
T.30 fax pass-through
T.38 fax relay
Adjustable fax tone detection level
Out-of-band DTMF: RFC2833, SIP INFO
|
Telephony Features |
|
G.711 a/u, G.726 (32K), G.729A, G.723.1
Adjustable jitter buffer
Adjustable packet time (by Codec type)
Silence detection and suppression
Echo cancellation
Digit map defines number length by leading digits,
route assignable
Local phone book enables calling to other VoIP devices
without registration
Speed dial
Caller filter accept/deny caller by IP address
On machine user-recorded prompt message
FXS caller ID generation: DTMF, FSK (Bell core/ETSI)
End of digit tone (inform user complete codes accepted)
Configurable dial-way timeout/inter-digit timeout/DTMF
on-off length
Adjustable listening & speaking volume (-6 to +6db)
Adjustable tone volume (1 to 5)
Adjustable FLASH time |
Management |
|
Web-based & Telnet
By Provision Server
2 privilege WEB login accounts
3 web languages by default (English, traditional Chinese,simplified Chinese
System information shows device status and registration status
Per call RTP packet summary
PING test
STUN inquiry |
| LED Indicators |
|
Power
Alarm
Run
Phone 1 to Phone 4
LAN 1 to LAN 4
WAN |
|
|
|
| Physical & Environmental |
|
|
| Power Input |
|
Through 100 to 240 VAC, 50/60Hz, 12VDC output External power adapter |
| Dimensions |
|
202 x 172 x 35 mm
|
| Weight |
|
430 grams |
| Operating Temperature |
|
0° to 45 ° C |
| Storage Temperature |
|
-25° to 75 ° C |
| Humidity |
|
Up to 95% non-condensing |
| Emission (EMI) |
|
FCC Class B CE
|
| Safety |
|
UL |
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