FXO<->FXS PSTN emulation for testing lab

Unanswered Question
Jul 28th, 2008
User Badges:
  • Gold, 750 points or more

Hi netpros,

For testing purposes. I am wondering whether it is possible to simulate PSTN by connecting routers FX0<->FXS ports as per the diagram. I will be purchasing E1 cards in several weeks but for now I am trying to get PSTN emulation using what I have got. Also ..do I need to have FXO ports on the 'PSTN emulator' device as well or having FXS connected to the edges router's FXO will be fine? Do I need to use PLAR to redirect the incoming calls from PSTN to the destination analog phone ?

Your help is much appreciated !!!

NOTE: I have tried getting some help on the Training forum without any luck

  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 2 (1 ratings)
csco11063007 Mon, 07/28/2008 - 16:35
User Badges:


Yes It will work.But you have to give connection plar under FXO ports.


Please Rate if it helps

Fernando_Meza Tue, 07/29/2008 - 03:30
User Badges:
  • Gold, 750 points or more

Thanks ..

I will let you know as soon as I get it working


This Discussion