I have a question on SIP adapters : I understand they translate SIP voice, callerID and such to PSTN, but what about phone functionalities like 3-way conferences and transferts? How do they handle that? Mike -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.digium.com/pipermail/asterisk-users/attachments/20060713/6e4e5beb/attachment.htm