Hello I neeed to upgrade 4331 from 16.6.9 with rommon 16.7(3r) to last ios versión 17.12.4a but I am not completed sure with the procederé... I think is the following   1. Upgrade Rommon to 16.12(2r) 2. Upgrade IOS to 17.12.4a Is this good? The licen...

Hello  I have an EOL CUCM and CUC v10.5 and Gatewy 3925 with IOS 15.4(3)M1 where they are using Provider -- E1 -- GW --  H323 -- CUCM -- SCCP -- CUC and the DTMF to AA are working fine but now they will have to migrate to sip using the following call...

I have an Analog Voice Gateway that I need to creare a vrf and this VG accepts these commands  ip vrf "word" and vrf definition "word" and I really don't know the differences beyond that the first one is for IPv4 and the second one accept IPv4 and IP...

Hello Guys I have the following aaa configuration in my 2921 using tacacs in ISE aaa authentication login default group tacacs+ localaaa authorization exec default group tacacs+ local aaa accounting commands 15 default start-stop group tacacs+aaa acc...

Hello I think I know that Webex Calling and CUCM Cloud are not available in Venezuela for sell right? and what about to deploy it, I mean suppose that a company has branches in Colombia and Venezuela so that company can buy webex calling or CUCM Clou...