Änderungen

VoIP Provider                                                                                                                 TK-SystemPort 5060                                                              z.B. Port 1129

 Port 5060                                                                         z.B. Port 1129  5060                                 Invite  ->                                       1129 SIP Invite From: ...  5060                       <-  180 Ringing                     Ringing                                1129 SIP Status 180 Ringing  5060                       <- 200 OK Telephone event       1129 event          1129 SIP Status 200 OK5060                                 OK  5060                             ACK  ->                                                                        1129 Request INVITE ACK  5060                       <- Update                                                                            1130 Sip Update from 5060                           5060                            403 Forbidden Request  ->       1130 SIP Status 403 Forbidden  5060                       <- BYE                                             BYE                                              1130 Request BYE