I was going to post a similar topic because there are so many complaints about the forum search, and I found this one and decided to post to it and make it current.
The method described here gives much better results.
For example if I search for "alarm system" in this forum I get (Top 5 in order):
Problem with Alarm system
Obi ATA's and home alarm system - special settings required?
Recommending phonepower
FWIW: Change Outgoing CallerID on Anveo tutorial...
Anveo account set up: Step-by-step tutorial...
Only the first two seem very relevant. However a Google site search gives the following (Top 5 in order):
Alarm System Problems
Problem with Alarm system
Alarm System
Obi ATA's and home alarm system - special settings required?
Obi100 with alarm system problems
The Google search results are probably more likely to contain what you were looking for.