Airlive VoIP-440 je VoIP gateway dizajniran tako da daje vrhunski rezultat i omogućava proširenje. Dolazi opremljen sa 4FXS ulaza što omogućuje 4 paralelna poziva ili slanje faxeva.
Key Feature
- Effective QoS scheme allowing simultaneous VoIP and Data communication
- Up to 4 channel of real-time voice and fax simultaneously
- Built-in TFTP and Flash memory for firmware upgrade via network
- Call forward and Call Transfer
- Support multiple VoIP Gateway on a LAN port
- Dynamic IP/ PPPoE client support
- DHCP client support
- Dynamic DNS support
- Bulk Call successful rate over 99.98%
Call Control Protocol
- H.323 version 3 (point 2 point/multipoint)
- SIP (proxy mode)
Voice Coder Support
- G.711, G.723.1, and G.729 A/B
Real-time FAX Relay:
- T.3 8
Digital Signal Processors
- One TI TMS320VC5409 DSP
- 100 MIPS per DSP processor
- On-chip memory: 32K word of SRAM, 16K word of ROM
- Local SRAM 128K x 16 for each DSP
Control Processor
- 32-bit ARM7 TDMI core
- 8K byte unified cache
- 4Kworde Write buffer
- Embedded on-chip Ethernet MAC with associated BDMA
- Local 2M x 16 SDRAM and 1M x 16 Flash
I/O Standard
- 10/100 BaseTX RJ 45 interface
- RJ 11 Loop Start interfaces for FXS/FXO
Management Tools
- RS 232 console port interface
- Web Management
- Telnet Server
- TFTP and flash memory for remote software download and upgrade
Speech
- Compression algorithms: ITU G. 711, G.723.1, and G.729A/B.
- Hybrid echo cancellation G.168 (16 ms)
- Auto switch between Fax and voice
- DTMF tone detection/regeneration
- Channel: four channels per module
- Comfort Noise Generation (CNG)
- User programmable Call Progress detection/generation
- Voice Activity Detection (VAD)
- User programmable Gain Control
Fax Facsimile protocol:
- T.30 Group 3
- Modulation formats: V.21, V.27ter, V.29, V.17
- Real-time fax over IP
- DTMF tone detection/regeneration
H.323 Protocol Stack
- RAS sub-stack for Terminals and Gatekeepers: supports all mandatory and optional messages (Tx and Rx) as specified in table 19/H.255.0
- H.245 sub-stack: supports the Signaling Entities of Master Slave Determination, Capability Exchange, Open Logical Channels, and Close Logical Channels
- Q.931: supports all mandatory messages as specified in table 4/H.255.0
- Compliant with H.323 Version 1 and Version 2
Environment & Power
- Dimension: 240 x 134 x 45 mm, 1.9kg
- Operating temperature: 32 to 122 F (0 to 50 )
- Operating humidity: 10% to 95% (noncondensing)
- Storage temperature: 14 to 140 F (-10 to 60 ) AC-to-DC
- power supply (90-260 VAC, auto-ranging, 50-60 Hz.)
EMI
- CE
- FCC part 15 A
- FXS/FXO (Compliant with ITU-T G.712)
- UL