Use: Asterisk, A2Billing, Openser, Mysql,Stun server
Support: Asterisk Realtime with A2billing openser and Mysql. and the Sytem will be behind Firewall Nated (symetric NAT)
Codecs g729, g723.
Portocol: SIP/IAX/H323

Scope:
Asterisk + A2billing openser configured as realtime.. With GUI in PHP consolidated with A2biling (adminsite) in Joomla or Oscomerce)
this will be use to Provision customers, DID, Trunk, Channel and dialplan etc.

A2Billing Customer Website shall be configured as such to provide Calling card Platform (online). 
1. Cdr
2. Call FWd
3. DID Mange
4. Authorize NUmber ( upto 5-authorized Number when called from no Pin # is required)
5. View Payments
6. Send SMS
7. Initiate Callback
8. Client Info
9. Auto Recharge settings (like amt cc , low bal etc)

client can select/Change Tariff from website


* Support Ticketing to Support ppl
* Click2Call Support
* In Network free calling using sip/iax

* Softphone With g729 support and tunnelling such that countries where blocked can be used with tunneling (we have Voipswitch Tunneling Server) Seperate Project

* Mediaserver Can be Outside of firewall (multiple servers as need asises)

*Configure the Asterisk Truck from us to our Service provider eith proxy or Route mode

* H323 can be Handed of to our Voipswitch Server and Voipswitch will in turn hand it to Asterisk in Sip and vice versa (so h323 support may be used from Voipswitch)

*Minimize in codec transcoding but needed.. better have some sort of codec nego as all our carrier support g723 and g729. we like to standardize on g729. but will support g723 as well

*selling did to client and buying did from didx, voxbone etc using their api

*support mobile phone sip nokia iphone etc