I have noticed Linphone client app can easily crash free-switch. Noticed few restarts right after. These logs d239a46b-2c2b-4ca9-9efc-1984b41e333f 2018-04-24 13:13:18.128573 [WARNING] switch_rtp.c:1092 missed 2 6c1e0ae1-dbe2-4630-8d8d-3cd20ba7e639 2018-04-24 13:13:18.348574 [ERR] switch_rtp.c:930 Invalid STUN/ICE packet received 28 bytes 6c1e0ae1-dbe2-4630-8d8d-3cd20ba7e639 2018-04-24 13:13:18.368567 [ERR] switch_rtp.c:930 Invalid STUN/ICE packet received 28 bytes d239a46b-2c2b-4ca9-9efc-1984b41e333f 2018-04-24 13:13:18.548572 [WARNING] switch_rtp.c:1092 missed 3 d239a46b-2c2b-4ca9-9efc-1984b41e333f 2018-04-24 13:13:18.668567 [WARNING] switch_rtp.c:1092 missed 1 de1df2ac-d136-4c24-9a4c-6a16f55a9422 2018-04-24 13:13:18.688574 [ALERT] switch_core_media.c:445 Looking for zrtp-hash de1df2ac-d136-4c24-9a4c-6a16f55a9422 2018-04-24 13:13:18.688574 [ALERT] switch_core_media.c:400 Deciding whether to pass zrtp-hash between legs de1df2ac-d136-4c24-9a4c-6a16f55a9422 2018-04-24 13:13:18.688574 [ALERT] switch_core_media.c:408 Found peer channel; propagating zrtp-hash if set de1df2ac-d136-4c24-9a4c-6a16f55a9422 2018-04-24 13:13:18.688574 [ALERT] switch_core_media.c:323 Deciding whether to pass zrtp-hash between a-leg and b-leg de1df2ac-d136-4c24-9a4c-6a16f55a9422 2018-04-24 13:13:18.688574 [ALERT] switch_core_media.c:323 Deciding whether to pass zrtp-hash between a-leg and b-leg And freeswitch restarts, de1df2ac-d136-4c24-9a4c-6a16f55a9422 2018-04-24 13:13:18.968579 [DEBUG] switch_rtp.c:7229 Correct audio ip/port confirmed. 2018-04-24 13:13:19.576345 [CONSOLE] switch_loadable_module.c:1540 Successfully Loaded [mod_logfile] 2018-04-24 13:13:19.576605 [CONSOLE] switch_loadable_module.c:1540 Successfully Loaded [mod_blacklist] 2018-04-24 13:13:19.576617 [NOTICE] switch_loadable_module.c:338 Adding API Function 'blacklist' 2018-04-24 13:13:19.577958 [CONSOLE] switch_loadable_module.c:1540 Successfully Loaded [mod_enum] 2018-04-24 13:13:19.577969 [NOTICE] switch_loadable_module.c:250 Adding Dialplan 'enum' 2018-04-24 13:13:19.577987 [NOTICE] switch_loadable_module.c:292 Adding Application 'enum' 2018-04-24 13:13:19.578009 [NOTICE] switch_loadable_module.c:338 Adding API Function 'enum' 2018-04-24 13:13:19.578029 [NOTICE] switch_loadable_module.c:338 Adding API Function 'enum_auto' Is there any setting to ignore ICE and STUN packets.