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Silver

Fax Machine on FXS

Hello,

I have a fax machine connected to an FXS port on CME. The problem happens when somebody calls from outside and then hangs up. The fax machine is not hanging up sometimes and sometimes it takes up to 45seconds to hang up. I tried to tweak the timeouts under the port but still the same problem.

Any help is greatly appreciated,

Regards,

5 REPLIES
Hall of Fame Super Gold

Re: Fax Machine on FXS

I don't think you can do anything about it. It's the fax takes takes 45 seconds trying to establish a link that will never happen.

In theory, you could send battery reversal or power denial to tell the fax that the call had been disconnected, by in my experience most model will ignore any line singalling.

Hope this helps, please rate post if it does!

Silver

Re: Fax Machine on FXS

Hello,

So what would be the solution then? Sometimes the port stays off-hook for a long time.

Thanks,

Hall of Fame Super Gold

Re: Fax Machine on FXS

If the port stays off-hook, it's either because the FAX is or the FXO port on which you received the calls is.

Do you have FXO ?

In that case the problem may be there, as lack of supervisory disconnect:

http://cisco.com/en/US/tech/tk652/tk653/technologies_tech_note09186a00800ae2d1.shtml

Silver

Re: Fax Machine on FXS

Hello,

Actually, the FAX is connected to an FXS port. THe feed from PSTN is a PRI.

Any ideas?

Regards,

Silver

Re: Fax Machine on FXS

Would changing the old fax machine to a new one solve the issue?

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