Everything is clear now, thanks for all. Regards, Florent

I only want to use it as voice ip gateway, do i need the PVDM3 card ? 

Thanks. Do the evaluation licenses have full fonctionality ? I guest it will work fine with my WIC card.  here is the output: Slot 0:        C2901 Mother board 2GE, integrated VPN and 4W Port adapter, 4 ports        Port adapter is analyzed        P...

Hello, I Think that i don't have et uc licence. Can I activate it ? Here is my show version command output : Cisco IOS Software, C2900 Software (C2900-UNIVERSALK9-M), Version 15.4(3)M3, RELEASE SOFTWARE (fc2)Technical Support: http://www.cisco.com/...

Hello here the output of show version command. Cisco IOS Software, C2900 Software (C2900-UNIVERSALK9-M), Version 15.4(3)M3, RELEASE SOFTWARE (fc2)Technical Support: http://www.cisco.com/techsupportCopyright (c) 1986-2015 by Cisco Systems, Inc.Compi...