The router provides a variety of VoIP features, such as Caller ID, Voice Activity Detection (VAD), 3-way conferencing and Echo Cancellation.
Using the SIP v1/v2 technology, users can register a phone number via free SIP server on the Internet and make a call. You don't need a computer to make a call, just use your phone to dial.
| VA11 Features | |
| General | |
| Availability: | discontinued |
| LAN / WAN Connectivity | |
| WAN ports: |
1 |
| WAN port(s) type: | 10/100 Base-TX (RJ-45) |
| WAN port auto cross-over: |
 |
| LAN ports: | 1 |
| LAN ports type: | 10/100 Base-TX (RJ-45) |
| LAN ports auto cross-over: |
|
| RJ-11 FXS VoIP phone ports: | 1 |
| RJ-11 FXO VoIP PSTN wall jack port: | 1 |
| Router | |
| NAT routing: |
|
| Multihomed: |
|
| DMZ: |
|
| Port forwarding: |
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| DHCP server: |
|
| DHCP client: |
|
| Dynamic DNS client: |
|
| QoS: |
|
| Routing Protocols: | VLAN tagging (802.1q) |
| VoIP | |
| VoIP Protocols: |
SIP v2 (RFC 3261) SDP (RFC 2327) RTP / RTCP (RFCs 1889/1890) 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) Adaptive Jitter Buffer 3-way conferencing Caller ID Call waiting Call transfer Call forward Speed Dialing Do Not Disturb (DND) Voice Activity Detection (VAD) Comfort Noise Generator (CNG) |
| Device Management | |
| Default IP address: | 192.168.3.1 |
| Default admin username: | admin |
| Default admin password: | admin |
| Administration: |
Web-based (LAN) Quick Setup Wizard Telnet / CLI |
| Firmware upgradeable: |
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| Usage Statistics: |
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| Misc hardware info | |
| NTP client: |
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