[asterisk-users] recommendations for RJ-11 surge supressors?

[A J Stiles]

On Thursday 27 June 2013, Eric Cooper wrote:
> I'd like to protect my expensive Digium FXO cards from spikes on my
> three incoming PSTN lines.  Does anyone have any recommendations?

Does your telco not fit surge suppressors to the NTE as a matter of standard 
practice?  Perhaps we are spoiled in the UK .....

-- 
AJS

Answers come *after* questions.