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Well we found our solution: replaced the whole shebang with Toshiba. Zero problems since then. The PBX (BCM 400) was manufactured in 2003 so it was at the end of its lifecycle anyway.

It's a little hard to describe, but it's a constant loud buzzing sound. To me it sounds like an alarm, but while on a call the noise will start coming out of the speakerphone randomly, whether they were actually using the speakerphone or not.

Ah, so there's no particular significance to the alarm?

Does anyone know what causes an 1140e handset to make a buzzing/alarm noise? This has happened on and off at our remote offices, but it's been happening with more frequency lately. In the middle of a call the phone will just start making a loud buzzing noise, annoying everybody in the office...

Hi all. We're running a Nortel BCM 400 and users have reported intermittent dropped calls when dialing into external conference calls. I've watched the line monitor as this happens and other active calls on our PBX are not dropped at the same time. It doesn't appear to be an issue on the...

Frustratingly, it's been a couple months and I can't figure out how to change the MAC address on the soft phone to create another extension. Unfortunately we don't have any extra analog ports. :( Does anybody know how to do this?

Hopefully somebody can point me in the right direction here, because this has been driving me nuts. Every month or so I get 1 or 2 users who report that their calls are dropped when dialing certain numbers. I had our provider check the calls and they see normal call clearing with the bye...

This is what I ended up doing: Configured a DN with the "Keep DN Alive" option. Installed a softphone on my desktop and assigned it that DN. The BCM recognizes softphones by their MAC address so I was worried that I could only assign 1 DN per install, but there is an option to change the...

Yeah I've tried putting the number in both the "Fwd All" and "Fwd No Answer" fields, but no luck. If more information helps, when I dial the DN internally my phone displays name of the user, but then rings fast busy and displays "Not in service".

Thank you for the response. Allow redirect is checked. The main issue I can't get past is that the DN's are showing up as inactive since there isn't an actual set plugged in and it rings fast busy when dialed.

Hopefully this is the right forum to post this in, but I'm trying to setup a "phantom" DN on a BCM 400. That is: I have an offsite worker who needs to have an onsite extension without an actual set. Ideally it would work like this - caller dials in, auto-attendant picks up and the caller...

We had a similar problem with phones on a point to point VPN after turning on an IPS. It wasn't blocking all of the VoIP traffic, but every so often it would filter enough packets to kill the connection.