1. Installation
    1. Copy agi-bin directory from asterisk add-ons to /var/lib/asterisk/asterisk
    2. Copy sound file /var/lib/asterisk/ivr
    3. Make directory /var/lib/asterisk/greetings for user greetings

2. Configuration 
    All Configuration options are currently in ibs_agi.py

3. Asterisk extentions.conf 

[ibs]
exten => s,1,Goto(ibs,1,1)
exten => 1,1,Answer
exten => 1,2,deadagi,ibs_agi_starter.py


4. Cisco Configuration

voice-port 2/1/1
  connection plar 1
  
dial-peer voice 5000 voip 
 destination-pattern 1T 
 session protocol sipv2 
 session target ipv4:ASTERISK_IP
 dtmf-relay cisco-rtp rtp-nte h245-signal h245-alphanumeric 
 no vad