Symptom: Phone cannot send out DTMF after pressing ** during voice mail Pressing number key during any call seems abnormal. (no key tone heard, no DTMF packet captured, no feedback when calling voice mail) Conditions: After doing the following scenario 1.Get connected with voice mail server (Unity). 2.When hearing "Enter your PIN, followed by pond" or "Hello, Cisco unity connection messaging system ...", press **. The call will be ended. May need to try several times to reproduce this issue. Workaround: Reset the phone
Known Affected Releases:
I would try a new firmware on one or two of the 7942's to see if the problem
Are you getting this error “Installer User Interface Mode Not Supported. The installer cannot run in this UI mode. To specify the interface mode, use the -i command-line option, followed by the UI mode identifier. The value UI mode identifiers...
The below trick might come handy when you have to add a new node to a cluster but you don't have or is unsure of the security password for the publisher. This procedure has been around for ages.
1) Login into the CLI of the Publisher.