Gordon Henderson laid this down on his screen :[color=blue][color=green][color=darkred]
>>> (The SIP account will be on a virtual PBX and other phones connected to
>>> the same vPBX and we want to transfer the call to one of these phones)[/color][/color][/color]

I wonder how Voipfone are implementing call transfer on PSTN lines..?

<http://www.voipfone.co.uk/Voipfone_For_Your_BT_Line.php>