Re: [Skunkworks] Connection problem or invalid MMI code

If you know the exact interface use: *tcpdump -n -i <interface_name> -s 10240 -w /tmp/working_USSD.pcap* Else, to capture packets across all available interfaces you may just use : *tcpdump -vvv -i any -s 10240 -w /tmp/working_USSD.pcap* I'm assuming that this is a Sigtran integration. If it's a traditional SS7 set-up using E1 links, then you may need to check with the stack vendor on how to capture the SS7 packets. Tony.