Monitoring MGCP traffic.
Via the VoIP calls window, I can locate calls that I
am after. However, Wireshark doesn’t allow me to make use of the “filter”
option.
It seems that it is only possible to build filters as
large as 80 messages. Unfortunately, the call I was after included 172
messages.
Maybe just a filter string length issue?!
As it was an MGCP call, I was able to systematically
go through the call and filter on the transaction ids, as each primary action
i.e. MDCX/CRCD/DLCX will have all responses tagged with their transaction id.
Is there an easier way of doing this, as it took a
while to record around 40 transaction ids then, build a filter to include them.