When I tried to connect the new 7961G to CUCM, it started to download the firmware SCCP41.9-0-2SR1S to 7961G however it show "Auth Fail" on the screen and the download stopped. I have checked the release notes before and think that maybe I need to up...

I have a client who's ip phone installed with two 7915 expansion module on it, however after he plug in the power for them all the buttons on both 7915 turned red. What does it mean and how to solve it?

I'm trying to use a 64mb flash card in a Cisco6509 sup2 msfc2 - CatOS7.6(9)how can i clear the flash and copy to it? - i've tried with different cards of the same type and same error messagesdir slot0:error = -24open device slot0 failed (bad device i...