The VS1000 VoIP media gateway is the ideal cost-efficient solution for carrier and enterprise applications. Whether it is connected to the PSTN or to a PBX, the VS1000 provides a reliable and bandwidth-efficient solution that leverages the interoperability, scalability, and enhanced services capabilities of the industry standard SIP protocol. VS-1000 is specifically designed for service providers and large enterprises to provide VoIP services. With 1U form factor, a VS-1000 is equipped with a main control module; two line module slots (for one or two 4-port T1/E1 modules), and two power supply slots (for one or two AC or DC power supplies).

• E1/T1: One, two, or four spans
• SIP: RFC 3261 SIP, 2976 Info Method, 3515 Refer Method, 3581 Symmetric Response Routing
• ISDN: PRI CCITT/Euro, ANSI NI2
• STUN: RFC 3489
• RADIUS: RFC 2866 Accounting
• Vocoder G.729a, G.723.1, G.711 µ-law, Alaw
• FAX Up to G3 using T.38
• Modem Up to V.90 using G.711
• Echo Cancellation 0-64 msec
• Jitter Buffers Dynamic
• Lost Packet Recovery Automatic
• PSTN: E1 and T1
• IP Media & Signaling: 10/100 Based-T Ethernet
• IP Management: 10/100 Based-T Ethernet
• HTTP Web server for configuration and monitoring
• TFTP Software download
• AC Inputs 100-240 VAC Autoranging, 47-63 Hz, 1 Amp fuse, 75 Watts max
• Size 1.72” (4.4 cm) H, 17.25” (44 cm) W, 17” (43 cm) D
• Weight 15 lbs (7kg)
• Storage -25-70 degrees C
• Operating 0-40 degrees C, 5-95% non-condensing humidity