You might try configuring the port to use LACP fast   The command would be: interface Ethernet1/X lacp rate fast

It worked for me too. _xmpp-client._tcp.DOMAIN must point to Call Bridge. Thanks, Andrei Anghel

Hi David, I am having the same issue. Do you have any resolution ? Do you use UDP or TCP as transport protocol for SIP adjacency? Thank you, Andrei Anghel

It happened again, although ports were forced in Speed & Duplex.I've just upgraded the IOS, hope it solves the problem.@ empsonmatthew,where did you get those messages from ?i found the tracelogs/IOSCC_0-0.log.25219.**** logs filled with Pending conn...

Hi empsonmatthew, Can you share the bug ID ? If not, could you at least tell us affected version and fixed one?Thanks,Andrei