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Write some Software

We need some kind of bandwidth

compression system ( upto 60-80% than usual SIP calls )from Server

A to Server B. Server A = Asterisk server Server

B = Asterisk Client server Explanation of scenario: 1. server A ( asterisk server, with static IP) receiving VoIP calls , with sip protocol,

using G711,G729 and/or G723.1 codec and sending calls to Server B 2. Server B ( Asterisk server with PRIVATE NETWORK IP), receiving calls from server A and sending to gateways

(GOIP , Addpac , Dinster ,quintum gateway for example) or E1 cards. 3. Number of Server B can be unlimited. 4. Number of Gateways/E1 cards per server B can be unlimited 5. For server B installation need easy to use ISO image that could be booted from USB flash drive, and those USB flash drive will be delivered to our Server B type client (ther termination provider) A. Any mini Linux distribution exam- puppy Linux , linux mint B. Fedora desktop distribution C. Centos 5.8 or 6 7. Server A to Server B voice traffic will be encrypted so that voice port blocked bandwidth can be used for termination. we will used . A. iax trunks in trunking mode. B. Open vpn static mode and dynamic mode C. Tnic static and dynamic mode 8. Asterisk web billing gui for adding gateways. Adding client , Prefix , dialing plan viewing active calls, billing cdr ,etc. we will provide you the Dedicated server asterisk and client asterisk configure IAX trunking, so we can measure the BW compression making the SIP-> IAX call trunking, need develop a simple WEB tool to change IAX IP and port (you understand that it is sensitive option when trunk is blocked by country border GW) continue building up main server with codec conversion (will install g729/g723 codecs) amd Install OpenVPN Server&client - at this stage we will test it and measure the BW compression with all kinds of options like codecs and openvpn compression modes; continue project with compiling the automated installation distribution (with OpenVPN, Asterisk, Codec conversion, IAX trunks config ) for client-side CentOS system, which can be distributed to may servers. continue working on project by building up WEB interface for main server adding Billing, and other options from Item 2 like adding GW, adding client, adding IAX trunks here I add some company we need similar thing

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Skills: Asterisk PBX, PHP, Software Architecture, Voice Talent, VoIP

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About the Employer:
( 0 reviews ) Dhaka, Bangladesh

Project ID: #11482736

2 freelancers are bidding on average $428 for this job

fhwszsqnlv

Hope you are doing great! I am approaching you in an attempt to initiate a discussion between you and Gropse IT Solutions . I would be interested in discussing the projects with you . Please let me know a conveni More

$300 USD in 10 days
(19 Reviews)
5.2
mobilexpertz

we having best and good experience in ios,php,html,android,[url removed, login to view] having separate teams to developing [url removed, login to view] thus we can satisfy your need of work.

$555 USD in 10 days
(0 Reviews)
0.0