04-13-2006 03:49 AM - edited 03-15-2019 04:17 AM
Hi all
I have configured this situation:
Analog phone <-->FXS-PBX-FXO <-->FXS-2851(CCME) <--> IP Phones. Calls goes OK. BUT I have problem with FXS. After on hook of IP phone, FXS port is staying in UP untill on hook-on analog phone. Second direction, I mean when analog phone is on-hooked first, FXS goes down correctly.
Could anyone help please?
Many thanks
Miroslav
04-13-2006 05:05 AM
Many times when there is an FXO interface involved you can have disconnect supervision issues on the FXO port. From your description it looks like the FXO port in this case is on a PBX. Is there any PBX parameters you could try to fine tune on the FXO port regarding disconnect supervision? Is there a way on the PBX to monitor if the FXO port shuts down at the same time the IP phone hangs up?
04-13-2006 05:43 AM
Check this link for addressing FXO disconnect problems
http://www.cisco.com/en/US/tech/tk652/tk653/technologies_tech_note09186a00800ae2d1.shtml
Regards,
Anup
04-13-2006 05:55 AM
Exactly, FXO=CO line on my PBX. PBX is very simple, with no chance for tuning or monitoring :o(
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