The Broadband Guide
SG
search advanced
 Username:
 Password:
Register
 forgot password?

Tecom GR2121

details: VoIP Gateway
hardware type: VoIP Gateway
date added: 2012-10-30
updated: 2012-11-05
The GR2121 is a SIP-based high performance ATA with an embedded router. It has 1 WAN, 2 LANs, 1 FXS ports for phone or FAX and optional PSTN line (or FXO).

Furthermore, there is one optional USB 2.0 port for different connectivity or applications, such as 3.5G mobile link, WIMAX wireless access, Wi-Fi WLAN access, DECT phone communication, IP Cam, Printer server and etc.

This router can also be easily configured and can be downgraded to an IP-Sharer/NAT or a pure bridged switch for various applications. Users may easily configure and maintain the device through a web-based management or APS for auto-upgrade.

The model GR2122 supports the same features as GR2121, but it has two FXS ports.
 
 
 
 GR2121 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: 2
 LAN ports type: 10/100 Base-TX (RJ-45)
 LAN ports auto cross-over: yes
 USB port(s): 1
for client devices (optional)
 USB port type: USB 2.0
 RJ-11 FXS VoIP phone ports: 1
 RJ-11 FXO VoIP PSTN wall jack port: 1
 Router
 NAT routing: yes
 Multihomed: yes
 DMZ: yes
 DHCP server: yes
 DHCP client: yes
 DHCP relay: yes
 Dynamic DNS client: yes
 QoS: yes
 ToS / DiffServ: yes
 Routing Protocols: RIP v1 (static routing, RFC 1058)
RIP v2 (dynamic routing, RFC1389)
VLAN tagging (802.1q)
IGMP Multicast (RFC 1112)
 VoIP
 VoIP Protocols: SIP v2 (RFC 3261)
SDP (RFC 2327)
T.38 (Fax over IP)
STUN (RFC 3489)
 VoIP Audio Codecs: G.711 (PCM)
G.723.1
G.726
G.729 (a/b)
 VoIP Voice Features: Echo Cancellation (G.165/G.168)
3-way conferencing
Caller ID
Call waiting
Call transfer
Call forward
Call Blocking
Do Not Disturb (DND)
Voice Activity Detection (VAD)
Comfort Noise Generator (CNG)
 VPN
  IPSec
 IPSec passthrough: yes
  L2TP
 L2TP client: yes
 L2TP passthrough: yes
  PPTP
 PPTP client: yes
 PPTP passthrough: yes
 Firewall
 SPI firewall: yes
 Device Management
 Administration: Web-based (LAN)
Telnet / CLI
TFTP (RFC 1350)
 Firmware upgradeable: yes
 Misc hardware info
 SNMP support: SNMP v.2
 NTP client: yes
 Print Server: yes
 Links
 Product page: http://www.tecom.com.tw/en/index.php/pro...
 Datasheet: http://www.tecom.com.tw/en/uploads/uploa...

Please use the Add Comment function below to review devices you have used (please be descriptive). If you find an error in our database, or have additional information about the product, please
  Post your review/comments
    rate:
   avg:
print discuss top
News Glossary of Terms FAQs Polls Cool Links SpeedGuide Teams SG Premium Services SG Gear Store
Registry Tweaks Broadband Tools Downloads/Patches Broadband Hardware SG Ports Database Security Default Passwords User Stories
Broadband Routers Wireless Firewalls / VPNs Software Hardware User Reviews
Broadband Security Editorials General User Articles Quick Reference
Broadband Forums General Discussions
Advertising Awards Link to us Server Statistics Helping SG About