Hi, there's an underlying assumption in Koha's Sip implementation that messages from sip units will be terminated by carriage return line feed. This works with many sip clients (including 3M). However the sip2 standard mandates that sip messages are terminated by carriage return (hex 0d). That means any client that implements the standard as specified (and I know of at least 2 such vendors) can't connect to Koha's implementation (which sits waiting for the CR). It also means that those units that send hex 0a in the body of text can cause grief. I'm wondering if anyone has any thoughts on improving the server side. Cheers Colin -- Colin Campbell Software Engineer, PTFS Europe Limited Content Management and Library Solutions +44 (0) 208 366 1295 (phone) +44 (0) 7759 633626 (mobile) colin.campbell@ptfs-europe.com skype: colin_campbell2 http://www.ptfs-europe.com