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Tecom GR2121
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| 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
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| Availability: |
currently available
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| LAN / WAN Connectivity
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| WAN ports: |
1
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| WAN port(s) type: |
10/100 Base-TX (RJ-45)
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| WAN port auto cross-over: |
 |
| LAN ports: |
2 |
| LAN ports type: |
10/100 Base-TX (RJ-45)
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| LAN ports auto cross-over: |
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| USB port(s): |
1
for client devices (optional) |
| USB port type: |
USB 2.0
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| RJ-11 FXS VoIP phone ports: |
1 |
| RJ-11 FXO VoIP PSTN wall jack port: |
1 |
| Router
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| NAT routing: |
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| Multihomed: |
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| DMZ: |
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| DHCP server: |
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| DHCP client: |
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| DHCP relay: |
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| Dynamic DNS client: |
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| QoS: |
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| ToS / DiffServ: |
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| Routing Protocols: |
RIP v1 (static routing, RFC 1058)
RIP v2 (dynamic routing, RFC1389)
VLAN tagging (802.1q)
IGMP Multicast (RFC 1112)
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| VoIP
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| VoIP Protocols: |
SIP v2 (RFC 3261)
SDP (RFC 2327)
T.38 (Fax over IP)
STUN (RFC 3489)
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| VoIP Audio Codecs: |
G.711 (PCM)
G.723.1
G.726
G.729 (a/b)
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| 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)
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| VPN
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IPSec |
| IPSec passthrough: |
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L2TP |
| L2TP client: |
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| L2TP passthrough: |
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PPTP |
| PPTP client: |
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| PPTP passthrough: |
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| Firewall
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| SPI firewall: |
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| Device Management
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| Administration: |
Web-based (LAN)
Telnet / CLI
TFTP (RFC 1350)
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| Firmware upgradeable: |
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| Misc hardware info
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| SNMP support: |
SNMP v.2
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| NTP client: |
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| Print Server: |
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| Links
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| Product page: |
http://www.tecom.com.tw/en/index.php/pro... |
| Datasheet: |
http://www.tecom.com.tw/en/uploads/uploa... |
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