VoIP protocols
H.323 v4 , SIP v2 (Dynamic protocol detection)VoIP codecs
G.711 A-Law, G.711 U-Law, G.726-32, G.729AB, G.723.1 , NetCoder™Delivery :
| Within 4 days after getting your final order confirmation with payment for q’ty. Call |
The S Series Gateways provide many built-in server and software features to provide a
convenient comprehensive solution for your SOHO VoIP network.
VoIP Features :
1. Support G.711µ-law / G.711a-law / G.723.1 / G.729AB voice codec.
2. Standard VoIP protocols: SIP, SDP, RFC2833, STUN, H.323, H.225, Q.931, H.245 and
RTP/RTCP.
3. Voice: DTMF detection and generation, G.168 compliant echo canceller, silence
detection, FAX (T.38 / T.30) Mode Option.
4. Dynamic Jitter Buffer: Built-in adaptive, buffer that helps to smooth out the variations in
delay (jitter) for voice traffic. This helps ensure good voice quality for your conversations.
5. Comfort Noise Generation When using VAD, it generates and sends comfort (background) noise when you are not speaking.
6. Voice Activity Detection / Silence Suppression Voice Activity Detection (VAD)
reduces the bandwidth that a call uses by not transmitting
silent packets when you are not speaking.7. NAT Traversal Method by using SIP or H.323 call
:This feature allows GW to operate behind NAT-enabled devices and user does not need modify any configuration of NAT device.
a. Pass through method for H.323:
Gateway needs register to SK Series Gatekeeper to pass through NAT router.
b. NAT Traversal for SIP:
Support STUN Client and Symmetric RTP to pass through NAT router.
Network
1. Network Address Translation (NAT): NAT allows multiple PCs to connect to an Internet
Service Provider (ISP) using a single Internet access account.
2. Firmware Upgrade (FTP Client): Using this FTP client to Upgrade software, you may easily
upgrade to the latest firmware whenever enhanced features are added.
3. Web (HTTP) Server: A Web browser is the most common tool used to surf the Internet. You
may use Microsoft’s Internet Explorer or Netscape’s browser etc, to configure the GW 200/400
/800 series routers as easily as surfing a website.
4. Dynamic Host Configuration Protocol (DHCP) Client on WAN Port: In most cable modem
environments, the Gateway supports a DHCP client on the WAN port. They can automatically get
IP network settings from a cable head-end access server.
5. Dynamic Host Configuration Protocol (DHCP) Server:This Gateway provide an easy-to configure
function for your local IP network. It can automatically assign IP network configurations
for local PCs, such as IP address, IP net mask, gateway IP address, and Domain Name server etc.
6. Point-to-Point Protocol over Ethernet (PPPoE) Client Support: If you are a DSL user, the
router has a built-in PPPoE client for establishing a DSL link connection with the ISP. There is no
need to install a further PPPoE driver on your computers.
7. Smart QoS : The smart QoS provide stable voice quality while user access internet fro
m private LAN to internet at the same time. This device would start suppressing throughput
t automatically when VoIP call proceed and keep full speed access when there is no VoIP traffic.
8. DDNS(Dynamic Domain Name Server): DDNS is a service that maps Internet domain names
to IP addresses. It allows you to provide Internet users with a domain name (instead of an IP
Address) to access your Virtual Servers.
Register for this FREE service at
9. Virtual Server : Remote Users can access services such as the Web or FTP at your local site
via public IP addresses can be automatically redirected to local servers configured with private IP addresses.
Important Notes: All sales and shipping are FOB shipping point - it is the buyer's responsibility to request any shipping insurance coverage on items purchased. Unless otherwise stated, all our equipment has a 90 days warranty against defect, but not misuse or abuse. Extended warranties are also available. Software regimenting, if any, is the responsibility of the buyer.
we deliver to the world.
IM: MSN eurotech_marketing@hotmail.com
Located in Australia, Philippines, Singapore, UK, USA. we deliver to the world.
