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VoSS25 - IP PBX for Small Business

VoSS25 is IP PBX particularly designed for meeting the most needs of small businesses. This model supports up to 50 subscribers and 8 concurrent calls.

It offers various advanced features such as IVR, Voicemail, Conference, BLF as well as all the functions of a traditional PBX like Call Hold, Call Transfer, Call Pickup and Call Forwarding. With VL1050, you will be able to reduce the communication costs, increase productivity, and enhance collaboration efficiency at dramatically high rates.

Key Features
Category Feature
Basic PBX Features • Call Hold/Unhold
• Call Transfer (Blind/Attended)
• Call Forwarding (Always/Busy/No-Answer/Error/Time-Based)
• Call Pickup (Direct/Group)
• Call Park/Unpark
• Intercom (Direct/Group)
• Three-way Call
• Music on Hold
• Music on Ringback
• Group Ringing (Hunt/Circular-Hunt/Ring-All/Random)
• Distinctive Ringing
• DTMF Relay (in-audio/rfc2833/SIP Info)
• Flexible Dialplan
• SIP Trunking
• DID/DOD
• FXO backup (in case VSP is unavailable)
• Call Screening
• DND
• Virtual Caller ID
• Anonymous Caller ID
• Phonebook
Advanced PBX Features • Voicemail (with e-mail forwarding)
• Message Waiting Indication
• IVR
• Conference
• Call Recording
• RAA
• Feature Code
• SIP Messaging & Presence
• BLF
• PBX-to-PBX interoperability
Security • ACL
• DDoS Protection
• SIP DDoS Protection
• PBX-to-PBX interoperability thru VPN connection
FXO • LEC (G.168)
• Caller ID Detection
• Call Progress Tone Detection
• DTMF Generation & Detection
• VAD/CNG
• Packet Loss Concealment
• Adaptive Jitter Buffer
• Dynamic Payload Support
• Adjustable Audio Frames per Packet
FXS • Battery Feeding for Analog Telephone
• Ringing Signal up to 3 LEN
• Type I/II FSK Caller ID Generation & Detection
• Call Progress Tone Generation
• DTMF Generation & Detection
• VAD/CNG
• FAX: T.30 Receiving (only with e-mail forwarding)
• Configurable Tip/Ring impedance
• Hook Flash Signaling
Management • System Configuration via WEB Manager
• Multi-Language Support (Korean/English/Turkish)
• Password Protection
• Configuration Backup/Restore thru WEB/FTP
• S/W Upgrade from Remote Place
• Direct Phone Management thru WEB
• IP-Phone Auto Provision
• Event Log
• Call Log
• CDR
• SNMPv2
Specification
Category Description
H/W • CPU: Embedded 64bit Network Processor
• Memory: 256MByte DDR2 - SDRAM
• Storage: 1GByte Flash Disk
Network Interfaces • Ethernet: 2 Ports (100Mbps)
• PSTN: 4 Ports
• Analog Telephone Interface: 4 Ports
Other Interfaces • LED Status Indicators
• DC 12V Power Connector
• Earth Connector
• Life Line
• Restore Factory Defaults Button
Power Consumption • Max. Operational Power Consumption: 20 W
Cooling Fan • RPM: 4000, Air Flow: 4,480 CFM
Battery for withstanding instant Power Fail • 1.2V x 5 x 350mAH, NiMH
Physical • Dimensions: 250(W) x 200(D) x 55.4(H) mm
• Weight: 1.2Kg (without Power Adaptor)
System Capacity • Max. Extensions: 50 Subscribers
• Max. Concurrent Call: 20
• Max. Call Per Second: 2
• CDR Database: up to 20MByte records
Ethernet Interface • WAN/LAN: 100Base-TX complying IEEE 802.3 Standards, supports Auto-Negotiation
• RJ45 Connector: Ethernet packets over CAT5-UTP cable
PSTN Interface • 2 Pin(Tip-Ring) RJ11 Connector for each PSTN port
• Up to 3KV Line Isolation and Surge Protection
• TX power of up to +10 dBm into 600Ohm
• Ringing Detection
• CID Monitoring and Detection
• Parallel Phone Detection
Environmental • Operating Temperature: 0C ~ 50C
• Operating Humidity: 20% ~ 80% RH
• Storage Temperature: -20C ~ 60C
• Storage Humidity: 20% ~ 95% RH
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