I am using a Cisco Phone 7912 Series and my main problem is the busy mode since last week. This is what happened: I placed a call then, I got to have an incoming call. What I did was to end the first call anf pick-up the second one. After I finished talking to the second caller, I put down the phone and after that it started to be on the busy mode.
I already rebooted the phone and re-configured the CCME but still, it doesn't work. What will I do? I hope you could help me on this.
Your help is highly appreciated. Thank you very much.
Angeli san Juan
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I'm not familiar with the device, but it might be something in the configuration. It could be DHCP, it could be something deeper.
I suggest contact Cisco support directly, they have support forums too.
If it is getting an IP address, goto that IP address and there you will be able to see some console messages. See if alternate TFTP is set and is going to a different CM server. If so change it to the ip of your CM.
You may need to set the main handset to synchronize with the base unit plugged into the telephone wall jack and assign special configuration numbers to the other handsets in order to properly identify each one within a specified location. One handset left in the turned on mode may make it impossible to place calls with the any of the other handsets. This will continue until either the battery dies or fails on the handset or the phone is switched off and replaced in its charger for charging again. Synchronize the main handset by pressing the MENU button on the handset, then pressing the down button IN order to select the number you wish to assign to that handset. Repeating this process if you have already done so will greatly decrease the level of errors experienced with panasonic phones MORE USEFUL INFORMATION FOR ALL YOUR ELECTRONICS When troubleshooting these units, there are always several variables to consider. First check to see what last occurred with the unit such as did the children play video games, did the electricity go out due to bad weather. You may see that there are many possibilities but let's focus on what occurred last to the unit. Once we determine what happened last, we may isolate the actual cause of the problem. The actual cause may be associated with projection issues, older versions (Picture tube), interference from devices located nearby, and even a radio turned on and located really close to your unit. This is normally known as electromagnetic interference to electronics and is very common with the error you have provided today. Please continue to look for anything EXTERNAL to the unit before looking at the internal components. I have been working on these a long time so feel free to follow up with me.
Here's a great little document from Cisco directly, called "Converting a Cisco 7940/7960 CallManager Phone to a SIP Phone and the Reverse Process" Easy to do, just follow the step-by-step directions. http://www.cisco.com/en/US/products/hw/phones/ps379/products_tech_note09186a0080094584.shtml
As I understand it, this is as it should be. You have two different numbers sharing the same physical line and only one can be active at any one time, so if you are using the phone and someone tries to fax, the fax line will be engaged and similarly, if you are sending a fax and someone tries to ring on your phone line, it will be engaged.
This happened to me once before and I found I had the phone on flight mode instead of normal. Switch it off and on again and see if that works, if not there is more to it. I'm no expert with technical things but worth a try.
check your firmware version and update if necessary. Usually you get the "busy" message when your camera is writing to the card and it's possible the card isn't quite right - a format should fix it. Alternatately you might try a different CF card to see if the problem goes away. Good luck!