Sorry for the late reply.The issue was solved with the CUPS Release 8.6.5 (SU3) provide by Cisco.Best Regards,Guillaume

Hi James,For your information, I have the same issue at a customer site and we work with exactly the same version of CUCM, CUPS and Jabber Client.We identified that the issue come from after a sleep mode or a hibernation mode of the computer combined...

Hi,Good news!!!Effectively CUCM 7.X, 8.X and ip phone firmware versions newer than 8.3(5) use SCCP version 17. The older CUCM and firmware versions use the older SCCP version.But our Firewall (Juniper SSG) use a ALG Service and it don't support the S...

@Razmir Masri Abdul RazakYes, we have Juniper SSG Firewall between all the remote site but it was the same before the upgrade and all the phone operating with the latest firmware.For the moment, we snif what's happens when we put the last Firmware on...

Hi Guys,I downgrade the Cisco IP phones 7906, 7911, 7941 and 7961 to the firmware SCCPxx.8-3-5S and now, the phones  are registered but, I receive the error message on the phone : Error Updating Locale.I re-download the locale installer for the CUCM ...