UPDATE: Areski Belaid, from a2billing, has just let us know that the index we are talking about will be added to the next a2billing release. We have been told that the index is already part of the source repository now as of rev 2419.

Like many other people, we have experienced performance problems with a2billing ( asterisk2billing ) when our cc_ratecard table reached 1,000,000 rows.

We have surfed around the internet to find solutions to fix this problem. We found several solutions, some suggesting to split the cc_ratecard table into multiple tables in order to fix things. Nevertehless, we figured that there must be another way and there was indeed another way. Click below to read more...

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"Researchers have found that E. coli can be used to recover uranium from tainted waters and can even be used to clean up nuclear waste. Using the bacteria along with inositol phosphate, the bacteria breaks down the phosphate — also called phytic acid — to free the phosphate molecules. The phosphate then binds to the uranium forming a uranium-phosphate precipitate on the cells of the bacteria. Those cells can then be harvested to recover the uranium." What has made this 14-year-old process economically feasible is the use of inositol phosphate, which is a cheap waste material from the production feedstock from plant material.

Read more on Slashdot ;-)

Changes to mutex usage in Asterisk 1.4.23 cause NVFax to cease to compile properly, see link below for updated files that compile with 1.4.23.1

Receiving and sending faxes with asterisk 1.4, NVFaxDetect, iaxmodem and hylafax.