Cisco 7942G Phones

[dalbright1]

So we recently had some phones replaced under warranty with these refurbished 7942G models.

First 4 phones, we plugged in, they loaded up and we programmed them in CUCM and everything was good. The 5th and 6th phone come up with an error "Registration Rejected: Security Error". These are using the same Ethernet cable on the same switch as the first four that had no problems.

I did a reset on them and they come up to the same error. Any chance there is something in the phone causing this that needs cleared?

[Brandon Buffin]

Try deleting the ITL file.

• Choose Settings > Security Configuration.

• Press**# and erase the ITL file in order to unlock the IP Phone.

Brandon

[dalbright1]

I tried that just now, got the message on the screen "Erasing CTL and ITL files" and now I am resetting again since the error still appeared. Will updated after the reset.

[Randall White]

Try a factory reset:

http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cuipph/7962g_7961g_7961g-ge_7942g_7941g_7941g-ge/9_0/english/admin_guide/P746_BK_IC15BCED_00_adminguide-7941g-7941g-ge-7942-7961g-7961g-ge-7962g/P746_BK_IC15BCED_00_adminguide-7941g-7941g-ge-7942-7961g-7961g-ge-7962g_chapter_01001.html#P746_TK_PFF95B54_00

[dalbright1]

After deleting the ITL/CTL and the factory reset I am still seeing the same error.