Hi Most devices have ceased to register using TLS Happened after the upgrade: 1) Debian 6 to version 7 2) update the FS version 1.3 to 1.5 -- recompile from sources Grandstream (GXW-4008 V1.3B) device - worked perfectly before the update - ceased after. Client on csipsimple - stopped working However, continue to operate successfully Linksys spa 9xx There are some ideas about the causes of such behavior? Someone knows some ways to debug this situation? What to check? Maybe something has changed in the settings of the new versions? That's the message in the log file: tport_type_tls.c:610 tport_tls_accept() tport_tls_accept(0x8726790): new connection from tls/XXX.93.XXX.2:2136/sips 2014-05-21 11:18:50.929674 [ALERT] mod_callcenter.c:519 Reuse Unused Cached DB handle db="callcenter",type="core_db" [CORE_DB] tport_tls.c:919 tls_connect() tls_connect(0x8726790): events NEGOTIATING 2014-05-21 11:18:50.929674 [ALERT] switch_core_sqldb.c:233 Dropping idle DB connection db="core",type="core_db" tport_tls.c:919 tls_connect() tls_connect(0x8726790): events NEGOTIATING tport_tls.c:1008 tls_connect() tls_connect(0x8726790): TLS setup failed (error:00000001:lib(0):func(0):reason(1)) tport.c:2090 tport_close() tport_close(0x8726790): tls/XXX.93.XXX.2:2136/sips Thank you! -- WBR, Sergey GTALK/JABBER:4orbit@gmail.com