[Serusers] voice sniffing

[Iqbal]

Hi

I have managed to get voice calls sniffed, by using a external sniffer. 
Does anyone know how I could bind a username/caller/caller tag to each 
wav file. I am not sure this is possible because the voip stream doesnt 
really have this info, but since my users are making calls by sending 
invites etc to ser, could I use ser to get the ID's and then call the 
sniffer to tag the names....or has anyone come across a really good voip 
sniffer

Iqbal