Ifte,
In answer to your specific queries:
1. Yes, both H.323 and SIP are supported, and calls between them can be
bridged.
2. Asterisk is itself a softswitch. There are various free and
commercial prepaid applications - we work mostly with ASTCC. AreskiCC is
also popular. <plug level="blatant"> We have a commercial enterprise
level prepaid management system for exactly this type of scenario with
multiple levels of resellers, centrex, high availability, conferencing,
PayPal integration, self signup, etc etc etc, called "ITSP in a box" in
beta testing. Expect an announcement on this list in the next few weeks.
I can send you an email off list on it if you like. </plug>
3. If you're in a country with software patents, you have to pay $10 per
channel for G.729, and there's no G.723 (to the best of my knowledge).
In countries without software patents, both are free. Asterisk can
translate between any codecs it supports. It includes all the usual free
codecs such as G.711, G.726, GSM, ILBC, etc.
We've done quite a few calling card and postpaid implementations, from
single systems and basic prepaid functionality, to 10 system clusters
with high availability and extensive development. If you let me know
more details such as expected call volumes, features, PSTN connectivity,
etc, we'd be delighted to discuss this with you in detail.
Alistair Cunningham,
Integrics Ltd,
+44 (0)7870 699 479
http://integrics.com/
Operations Jabeens wrote:
We are looking for setting up a small scale calling card operations in
USA. and also need a softswitch billing system for post paid clients.
After looking into the commercial product available in the VOIP market,
we decided to adopt an Asterisk based system which could following at a
minimum. Following are question to the list:
1. Can Asterisk based system support both H323 and SIP protocol? I ask
this as several of our terminating gateways are based on H323.
2. Is there any commercial or open source software which can have both
soft switch, prepaid and post paid calling systems?
3. Is there any Codec convertor available for Asterisk based system to
convert say G723 to Gg729 or vice versa
Please let me know?
Also, if you are an expert solution provider (with certification) or a
consulting firm, has references of successful deployment of similar low
budget project, please contact me at [EMAIL PROTECTED]
<mailto:[EMAIL PROTECTED]> Please consider this as a serious business
enquiry.
Thanks,
Ifte
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