VOIP QA and Production Architecture - repost

This project received 4 bids from talented freelancers with an average bid price of $775 USD.

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$30 - $250 USD
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Project Description

Seeking an Asterisk/FreePBX/A2Billing expert to perform a configuration QA of a test environment which currently hosts all aforementioned products on a single server. I am after best practise configuration recommendations as well as a production architecture.

The production architecture must have the following features:
- Compatibility with Cisco handsets including 7945 and 7975
- Call quality >= PSTN
- Cloud Hosted (Amazon EC2 in Sydney preferred)
- No single points of failure
- Load balancing or a suitable high availability solution
- Backup/recovery
- Extension dialling
- Billing
- Voicemail + voicemail to email
- Dial plans for each capital city in Australia (users in Melbourne do not have to prefix 03 for a local call, 02 for Sydney etc)
- Emergency services in Australia

Please provide high level architecture in your bid.

Login details to the server and apps will be provided to successful applicant.

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