Hi Friends,i've got a big problem, i have 5 SIP line with username and password, one router 2821, and a serial port that is configured with 2 MCR one for Internet and the other for VoIP. How can I configure all 5 user and password? i have tried in th...

Hi friends,i put this memory on 2821 router but console give me this error:SDRAM ECC Error,err addr - 0x03280000, err data_l 0xFF000000,err data_h 0x00000000,rcv ecc - 0x00000000, calc ecc 0x24000000, err cnt 0x8A260000r0 = FFFFFFFF r1 = FFFFFFFF r...

Hi friends,sorry but I've got a problem, in the architecture specified in the title, i can't hear MoH only in one site. What can be the problem? i attach some debug. Thanks for all answer!

Hi friends,I had installed a 4507 with 2 power supply, and 2 module PoE WS-X4248-rj45V. I had connected a sony PoE camera but nothing work, the PoE don't work. Either in a 3750 PoE works fine with the same camera! what can be the problem?