Asterisk (*) Telephony Servers

We are currently operating a global telephony solution using Digium's open source PBX software Asterisk (*). The system consists of two servers (one operational, one backup), currently three PSTN gateways in multiple countries. At this point, the system is productive, but needs further support in a number of areas: - full automated redundancy of the two servers (auto-fallback) - Setup of VPN network based on telephony server to ensure secure communications - Implementation of improvements of management interface (multiple voice mail box assignments, external number assignment, simplified user interface for managing attached devices and forwarding), the solution is PHP/MySQL based - Minor quality improvements and stability testing We are looking for developers who are truly experienced with this product and are capable of making changes quickly. For a successful bidder who implements this successfully, we are offering an ongoing maintenance contract as follow-up. ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Deliverables must be in ready-to-run condition, as follows (depending on the nature of the deliverables): a) For web sites or other server-side deliverables intended to only ever exist in one place in the Buyer's environment--Deliverables must be installed by the Seller in ready-to-run condition in the Buyer's environment. b) For all others including desktop software or software the buyer intends to distribute: A software installation package that will install the software in ready-to-run condition on the platform(s) specified in this bid request. 3) All deliverables will be considered "work made for hire" under U.S. Copyright law. Buyer will receive exclusive and complete copyrights to all work purchased. (No GPL, GNU, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the buyer on the site per the coder's Seller Legal Agreement). ## Platform - Linux (RedHat 9.x) - Asterisk 1.0.2 - pHp (4.x) - mySQL (4.0x)