MICS lines showing in use

[Seattleguy]

We have a MICS 6.1 with a flash vm 2.1
3 times now in the past 2 weeks the receptionist has found where 6 of the 8 lines appear to be in use but when depressing the line button....... instead of it saying who is using the line it only says line in use on all 6 but no one was on those lines or using them.
Any thoughts?
thank you

 

[Multimedium]

Line in use" appears when the system itself is using a line.

It doesn't say who is using the line because no internal set is actually using the line. The line is most likely conferenced with another line.

External Call Forward, External Transfer and Line Redirection are the most common features that cause this message. Direct Inward System Access (DISA) can also cause the same message.

 

[allworxguy]

Check your phone bill. You may be a victim of toll fraud.

Change ALL voice mail passwords now!!

Marv ccna

http://www.telemarv.ca

Sales, Installation & Service for Norstar, BCM & Allworx
Serving Ottawa and Eastern Ontario since 1990

 

[Seattleguy]

I will check our phone bill. Yes there has been a whole lot of toll fraud going on.
I didn't think of that. Thanks

Multimediim: i inderstand that all those scenerios u mentioned. Thanks.
But there was no one else in the office at that time. But she had one call on hold and another ringing in. The remaining 6 showed in use when she tried to transfer her active call externally and got the error no free lines.

 

[curlycord]

Toll fraud often happens at night.
They call in, hack into a mailbox that has a password of 1234 which the mailbox also is allowed outbound transfer.

See our FAQ's for Toll Fraud info.

http://www.tek-tips.com/faqs.cfm?fid=7271

Also failed Conference calls or Disconnect Supervision is not programmed on the lines (and with Carrier) to release the lines when calls are completed.


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curlycord

http://www.curlycord.com

Toronto Canada

http://www.telcopc.ca

 

[Seattleguy]

Thanks very much.
I am a nortel tech and have verified everything that i know of, lines say "super" the discon timer is 460 which matches the c.o. There is not much more to program on the "lines".
There is no other users making conference calls, u never know but i couldn't detect any kind of user error?
I did replace both DS trunk cards today so i don't know yet if that made any difference yet??
Ive seen a lot of toll fraud but not normally tying up 6 of the 8 lines.
Im starting to wonder if the ksu might be bad ?

 

[curlycord]

That equals 3 or 4 toll fraud calls and if so then it is not abnormal.

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curlycord

http://www.curlycord.com

Toronto Canada

http://www.telcopc.ca

 

[Seattleguy]

I have someone checking into our phone bill as we speak.
Thank u