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描述
联络供应商
描述
- VG4X VoIP gateway is one product of VoIP VG series by VOPTech. It is a carrier class VoIP gateway. Carriers and enterprises can use it to provide regular phone, fax, and IP Centrex services through broadband networks. VG4X guarantees a smooth transition to NGN (Next Generation Network), therefore protects your long-term investments. When fully configured.
- VG4X is designed to meet the VoIP demands of telecom-munications carriers, value-added service providers, and mid-to-large-sized enterprises. Installed in a highly compact 1U chassis, and two power feeds (so end-users have the options to use one or two 70W power supply to protect system from power surge and to provide redundancy).
- Line configuration: up to 48 ports, can be FXS + FXO mixed ports mode.
- Voice processing: voice codec: G.711, G.729A, G.723.1, GSM, iLBC.
- Echo cancellation: G.168; Tail Length: 64 milliseconds.
- Dynamic jitter buffer; voice activity detector (VAD); and comfort noise.
- End user features: generator (CNG).
- Fax processing: caller ID, call forwarding, call waiting, hotline, prefix dialing, do not dist.
- Billing: T.30, T.38 fax relay.
- Configuration methods: radius interface; polarity reverse.
- Web based user interface; text based configuration".
- Remote provisioning: HTTP/web, auto provision, remote configuration, software upgrade, collects log files.
- Off hook detection: FXS loop start, DDI (Hong Kong).
- VoIP protocol: SIP (RFC3261), MGCP (RFC2705) 3GPP TS 24.228, TS 24.229.
- DTMF: in-band: RFC2833, INFO (SIP).
- Auto dial: DTMF mode.
- Dual telephone number: FXS port can have two number for incoming calls (PSTN and extension).
- Redundancy SIP server: support up to 10 SIP servers to enhance system reliability.
- Fashion ringing tones: can download and store 20 music files.
- Maximum user line length: 3000 meters.
- Ringer equivalence number: 5 for short loop (300 meters), 3 for medium loop (1500 meters).
- Ringing voltage: 60V RMS.
- Line interface: RJ45, per RJ45 provide 4 phone lines.
- Ethernet interface connector: RJ-45 10/100 Base-T.
- Internal memory: 128MB.
- Flash memory: 16MB.
- Input voltage: 110～240V AC, 50～60Hz, input current: 1A max.
- DSP: TI 320VC5509A.
- CPU: Motorola PowerQuicc8247.
- Power consumption: main unit 70W (max.), expansion unit 55W (max.).
- Dimension (H x W x D): 4.4 x 44 x 30cm.
- 1U height, 19” Chassis.
- Weight: net weight: 9kg, gross weight: 14kg.
- Environment requirement:
- Operation environment: between 0～40℃ and humidity between 10%～95% (non condensing).
- Non operation environment: 10～60℃.
- Unit weight (kg): 4.04.
- L: 53.
- W: 37.
- H: 15.
- Unit volume weight (kg): 5.9.
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