[Spce-user] multi teenat

Tanjil Ahmed mail at tanjil.net
Sun Nov 4 14:37:45 EST 2012

im newbie .. i need help with build up one system if anyone help me ill b
main goal to minimize the BW in client side with good quality of voice .
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 (quintum gateway for example) or E1
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

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 sipwise OpenVPN, Asterisk,freeswitch  Codec conversion, IAX trunks
config ) for client-side CentOS system, which can be distributed to may

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
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