Original DBL Brand 4Port GoIP

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Tk. 39,999

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    Category: Everything Else > Services > VoIP > > Original DBL Brand 4Port GoIP

    DESCRIPTION ( Original DBL Brand 4Port GoIP )

    4-Channel GSM to VoIP Gateway GOIP SIP ip PBX ip phone: Quad Band SIP Asteris
    Original one directly from factory! Remote online support or phone support is available by engineer if that is necessary.


    GOIP_4 is a 4 SIM Card Broadband Phone Gateway that had been developed by DBL Co. GOIP_4 SIM Card Broadband Phone Gateway is a new product that connect the GSM and the VOIP seamlessly. To GOIP_4 what is installed on the Mobile SIM Card, you can register the GSM telephone on the VOIP Softswitch.SIP and H.323 agreement are built in the GOIP_4 and configured flexible. Caller ID can be seen by using SIP. Flexible routing can meet the need of all kinds of call forwarding; even more special is that GOIP_4 support multi-device group, it can be easily combined into arbitrary number of channels of Large Gateway Group.

    Key Features
    • Open Standard VoIP Protocols (ITU H.323 V4 and IETF SIP V2)
    • Single or Multiple Server Registrations
    • Two 10/100 Ethernet circuits connect to the LAN and an additional device
    • GSM module for making GSM calls
    • Speech quality ensured by QoS at the Ethernet and IP layers and comprehensive jitter buffer
    • VLAN and QoS support
    • NAT Transversal and Router functions
    • Voice prompts, HTTP Web, Auto Provision support for configuration and updates
    • Highly stable embedded Linux operating system in high performance ARM 9 Processor
    Basic Features
    • LEDs for Power, Ready, Status, WAN, PC, GSM
    • Call forward from GSM to VoIP and VoIP to GSM
    • Dial in mode or dial out mode only
    • Dial Plan
    • Password protection for both GSM dial in or dial out
    • Retransmit GSM Caller ID to VoIP terminal
    Enhanced Features
    • Dynamic selection of codec
    • Advanced jitter buffer
    • Automatic traversal of NAT and firewall
    • VLAN / Qos
    • Router
    • Echo cancellation for Speakerphone
    • Comfort noise generation (CNG)
    • Voice activity detection (VAD)
    • Auto provisioning (requires auto provisioning server)
    • On line firmware upgrade
    • Multi-language support: English and Chinese
    Supported Standards
    • ITU: H.323 V4, H.225, H.235, H.245, H.450
    • RFC 1889 - RTP/RTCP
    • RFC 2327 SDP
    • RFC 2833 RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals
    • RFC 2976 SIP INFO Method
    • RFC 3261 SIP
    • RFC 3264 Offer/Answer model with SDP
    • RFC 3515 SIP REFER Method
    • RFC 3842 A Message Summaries and Message Waiting Indicator
    • RFC 3489 Simple Traversal of User Datagram Protocol (UDP) Through Network Address Translators (NATs)
    • RFC 3891 SIP Replaces Header
    • RFC 3892 SIP Referred-By Mechanism
    • draft-ietf-sipping-cc-transfer-04 Session Initiation Protocol Call Control - Transfer
    • Codec: G.711 (A/µ law), G.729A/B, G.723.1
    • DTMF: RFC 2833, In-band DTMF, SIP INFO
    Physical and Environmental
    Operating temperature: 10°C to 40°C (50°F to 104°F)
    Storage temperature: 0°C to 50°C (32°F to 122°F)
    Weight: 500 g (1 lb) (Including AC/DC Adapter)
    Size: 160 mm (W) x 252 mm (L) x 30 mm (H) (Width x Length x Heigth
    Power: 12 Vdc 2A (AC/DC adapter included)

    Saving Cost on International and Long Distance Calls

    when you are in the other countries& you have this gateway at your Local office

    you could dial & receive phone call from your customers as you are there without Long Distance fee

    Very excellent solution for internal company with branch offices oversea.

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