Hi everyone, I have a problem with my UC540, below is my network diagram: Internet---------887----------UC540 I have successfully configured UC540, incoming and outgoing call working perfect, but when I changed IP address on UC540's F0/0 which connec...

Hi everyone, I have 2 Cisco router connected via Serial cable, Router1 is an ADSL gateway, Router2 connected to Router1 via serial cable, all the hosts of Router2 can ping and access to Internet website through Router1, but I can't ping an internet a...

Hi everyone,I'm new with CME and I'm have a problem to make a call from SCCP to SIP phone, SIP phone registered fine under Voice Register Global, I can make the call from SIP to SCCP and working perfectly, example: SIP(ext 2001) dial 1002 ---> SCCP(1...