cisco ip phone showing red light even when not in use

[kaysplace]

busy light come up often on one IP phone only. All the others are woking fine.

Tried rebooting/reseting/reconfiguring the IP Phone, still no avail and DND is not turned on

[HARIS_HUSSAIN]

CHeck if this line is Shard with any other Phones

[George Sotiropoulos]

Hello,

You should cross-check that this is not a shared-line.

George

[kaysplace]

it is a shared line because I have it configured on 3 to 4 boxes as speed dial on them

[kaysplace]

I have a shared line configured on 3 to 4 boxes as speed dial but even when the number is not in used it keeps showing red light (busy) as if someone is using the line.
what can cause this to happen please need response ASAP

[George Sotiropoulos]

Does the busy status show up on all phone devices that share this line? Can you specify the type/firmware of the phone device as well as the CUCM version?

[bijpraka]

What is the software version on this device?

[kaysplace]

The light shows up on all the shared lines and below is the version.
SCCP894x.9-4-2SR2-2
System version: 11.0.1.20000-2

[kaysplace]

The ip phone is 8941 model

[yosman]

do a route plan report for the shared DN may be it is shared on a phone which you are not aware of.

if it is showing busy and you confirm the line is not busy, this is weird, factory reset the phone.

[HARIS_HUSSAIN]

Check if DN Is shared. Go to the DN and Look for Associated devices. Under the DN Web Page as Shown below. If DN Is shared you will see the Devices listed.

 

Test by removing the DN From all the other Listed Devices

*** Please rate helpful post; Mark "Accept as a Solution" if applicable

Thanks,
Haris