Wireless Products - IP Telephony Gateway, 4 ports of FXS interface for only € 171.79

Micronet SP5004 VoIP Gateway, based on ITU-T H.323 or IETF SIP standard, provides voice and fax over IP networks. Their simplified operation and configuration features are the most suitable for residential and SOHO application. Just an IP address and two phone sets can bring you to Voice over IP world. No more long distance and international telephone fee.
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Specifications

Protocol	H.323
Standard	IEEE802.3 10BASE-T, IEEE802.3u 100BASE-TX
Interface	4 RJ-11 FXS port for phone set or PBX's trunk line 2 10/100M RJ-45 ports for Ethernet
LED Indication	System: POWER, GK, READY, TEL Port: LINK/ACT, 10/100M
Audio Codec	G.711A/?g law, G723.1, G729 (with adjustable priority)
Audio Feature	Voice Activity Detection (VAD) Comfort Noise Generation (CNG) Adaptive Echo Cancellation Dynamic Jitter Buffer Bad Frame Interpolation
DTMF	In-band/Out-band generation and detection, Gain setting
Managment	Console, Telnet, HTTP
Networking	PPPoE dial-up client DHCP client (Initial dynamic IP address setup) SNTP (Synchronize the clock with time server) NAT pass-thru TFTP/FTP client for firmware upgrade
Operation Mode	Peer-to-Peer and Gatekeeper
Power Adapter	12VDC, 1A
Dimension	23 cm x 15 cm x 3.8 cm (W x D x H)
Weight	0.36 kg