Introduction
The sipXecs IP PBX runs on standard Intel x86 servers able to run the Linux operating system. There is no additional special hardware required. In particular, no special voice cards are needed as all gateways are external.
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An ISO installation image is available for CentOS (both 32 and 64 bit).
Recommendation for a Production System
For a reasonably performing system we recommend the following configuration. This is a rough guide line for a production system. Media server performance profits from a dual / quad CPU system (dual / quad core CPUs) and lots of memory (2GB - 4GB).
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The sipXecs IP PBX supports an unlimited number of voicemail boxes, and the total number of hours of recorded messages is determined by the size of the harddisk. As a rule, for every minute of recorded messages you will need 1 MB of disk space (About 3 hours per 10 GB of disk space).
Distributed sipXecs IP PBX System
The sipXecs IP PBX can be installed as a distributed system spanning several servers that do not have to be geographically co-located. The sipXecs management system centrally manages the entire cluster. Scalability or redundancy can be achieved by running different components, such as redundant call control, voicemail services, conferencing service, call center ACD service or the SIP trunking service on dedicated hardware.
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