Wednesday, September 2, 2015
Cisco Voice: FXS Funky Digit Manipulation
I dont love problems that dont make sense. I had this FXS module giving me a fit from the beginning of when I put it in place. Every time you dialed out with the fax machine, the customer complained about it not getting where it needed to go. So I showed up with my analog phone and sure enough, problems. In fact, I would just pick up my phone, and it would dial a random four digit number. Really odd. It dialed 1119, then 4354, then 1161. Every time was different. Turned out the module was bad. Time for an RMA.
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Great point...every network engineer's tool bag should include an analog phone. I use mine all the time.
ReplyDeleteShane, I always found the the whole FXS vs FXO module confusing. Can you give an example when you would need a FXO instead of an FXS module?
ReplyDeleteGenetically speaking, fxo is for connecting to the phone company, like an analog line. Fxs is for a "station", like a fax machine or analog phone. There are other uses for these ports though.
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