11b / G VOIP Sip / Fxo / Fxs Router With 4 Ports Switch (Vk-100vprg)

Detailed Product Description
* Standards : 
(1) IEEE 802.11b/g
(1) IEEE 802.3, IEEE 802.3u 10/100Mbps Ethernet Standard
(2) SIP v1 / v2 

* Bus Interface : 
(1) 4 of LAN ports
(2) 1 of WAN port
(3) 1 port for Phone
(4) 1 port for PSTN
(5) 1 of Detachable Antenna

* Router Function :
(1) STUN ( Simple Travel of UDP over NAT)
(2) DMZ, Dynamic DNS
(4) DHCP Server and Client
(5) NAT and ICMP

* VoIP Features  : 
(1) VoIP Codec : G.711 @ 64K bit/s (PCM)
(2) VoIP Codec : G.723.1 @ 6.3K / 5.3K bit/s
(3) VoIP Codec : G.726 @ 16K / 24K / 32K / 40K bit/s (ADPCM)
(4) VoIP Codec : G.729A @ 8K bit/s (CS-ACELP), G.729B adds AD and CNG to G.729
(5) Voice Quality : VAD( Voice activity detection) and CNG ( Comfortable noise generator)
(6) Voice Quality : LEC (Line echo canceller), Packet Loss Compensation, and  Adaptive Jitter Buffer
(7) Auto Provision

* Call Function  : 
(1) Call Hold, Call Waiting, and Call Forward
(2) Caller ID and 3-Way Conference
 
* DTMF Function :
(1) In-Band / Out-Band DTMF
(2) SIP Info
 
* Phone Function  : 
(1) Volume Adjustment
(2) Speed Dial Key
(3) Phone Book

* Sequrity : 
(1) MD5 for SIP Authentication
(2) Password Protected System Management

* QoS : YES

* HTTP Web-Based Management : 
(1) Firmware upgrade from User Interface
(2) WAN and LAN Connection Statistic
(3) Static Route and Routing Table Configuration
(4) Password Protected Access
(5) System Log

* Environment : Operating Temp. : 0~55 C degree; Operating Humidity : 10% ~ 90% (Non-condensing)