SCCP phones can be recorded  but Cisco SIP phones cannot be recorded in our environment which uses port mirroring in the switch.

I have the following requirement. My HQ Hub router has 20 Mbps of BW having several GRE tunnels to branches with 512 Kbps, for each branch except two  branches, having 2 Mbps of BW each. Some branches are using IP phones and also accessing critical r...