The company that looks after my clients internal phone system has a problem with logging in to the PABX using their data modem. Connection looks like this ISDN PRA from telco -> Asterisk -> SIP Trunk to my clients Asterisk -> my clients Asterisk -> E1 port to his old PABX I am planning to use transfer capabilities on DAHDI channel to my clients PABX. Should I also set it on sip trunk and channel from the telco in order for it to work? Best regards Andrew -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.digium.com/pipermail/asterisk-users/attachments/20140105/5892719e/attachment.html>