The advanced PLANET VGW-820FS enterprise-class have 8-port SIP VoIP Gateway provides added flexibility during migration to Unified Communications by supporting the traditional analog devices. These devices include analog phones, fax machines, modems, voicemail systems and speakerphones. 

SIP Applications

• IETF SIP RFC3261 based on UDP/TCP/TLS
• 8-line FXS connects to analog phone set or PABX
• Fax over T.38 and Pass-through
• ITU-T G.711 A-law, G.711 μ-law, G.723.1 and G.729 voice coding
• In-band/out of band DTMF (RFC4733, RFC2833/SIP INFO)
• Echo cancellation exceeding ITU-T G.168, up to 128ms tail length
• Supports SIP Trunk and Caller ID: DTMF/FSK CLI Presentation

Internet Features

• Supports SNMP v1/v2/v3 
• Supports VLAN 802.1P and 802.1Q
• Supports Layer 3 QoS and DiffServ
• Supports STUN (RFC 3489) and Outbound Proxy
• Supports TR069 and Auto Provisioning 
• Supports TLS/SRTP Security 

Call Features

• Call waiting/transfer (Blind transfer, Attend transfer)
• Call hold/Quick pick
• Call Forwarding Unconditional
• Call Forwarding on No Reply
• Hotline/Speed Dial/Direct IP Call
• Do Not Disturb (DND)/Three-way conferencing

*2 Week Lead Time