Hi! My VOIP provider is Vitelity. A few hours ago SOME of my customers reported phone failures - Rings no answer for the caller. I understand this is NOT a FreeSwitch problem, but I thought someone here may be able to identify the problem quickly. I would greatly appreciate it if you could read the rest and comment if you know something that might help get me back online. I have debugged what I know. I have identical calls wioth logs to 2 different numbers that are handled identically on my freeswitch server (going to an IVR). The critical difference I see in the logs is here: EXECUTE sofia/external_noauth/4108084699@66.241.96.237 ivr(estabrook_attendant_1) 2015-12-04 15:16:10.628821 [DEBUG] switch_ivr_menu.c:721 switch_ivr_menu_stack_xml_add binding 'menu-exit' ... ivr continues 2015-12-04 15:16:10.628821 [DEBUG] switch_ivr_play_say.c:1314 Codec Activated L16@8000hz 1 channels 20ms 2015-12-04 15:16:10.698805 [DEBUG] switch_rtp.c:3757 Correct ip/port confirmed. 2015-12-04 15:16:19.448558 [DEBUG] switch_core_session.c:1016 Send signal sofia/external_noauth/4108084699@66.241.96.237 [BREAK] On the calls that are failing the debug line "switch_rtp.c:3757 Correct ip/port confirmed" does not happen. Instead I eventually get "[DEBUG] switch_ivr_menu.c:643 IVR menu 'bfis_attendant_1' no input detected", all the while the line is ringing on caller end. If someone understands what that means and I could tell them, it might get my customers back online quicker. Thanks for your time, Sean