Hi,

We currently use a Voice Recording solution for our Contact Centre which requires that Voice VLANs be SPANed (or RSPANed) to a remote destination port which is connected to a 'monitoring NIC' on the voice recorder.

Homeworkers at the end of DSL lines, who already have IP Phones, wish to become part of the contact centre, but I can't see how to send their RTP streams to the centrally-hosted voice recorder, when the traffic traverses a L3 boundary. I understand that the voice recorder needs to see the MAC address of the phones. A secondary issue is that we use G.729 across the WAN, and G.711 within the Campus network.