Original DBL Brand 4Port GoIP

Tk 39,999
Seller info
Sold by:
Mr.Liton
Member since:
17 May 2011
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Don’t pay in advance
Meet in a safe & public place
Description

DESCRIPTION for Original DBL Brand 4Port GoIP price in Bangladesh

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.

Specifications:

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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