Snom 370 gespräche brechen nach 30 sek ab

habe ein snom 370 an asus router rt n18u.
ankommende anrufe klingeln mal, mal nicht
und ich habe kein bei ausgehenden aufen tut tu.....
hier das logfile:

6] 28/5/2017 21:51:03:webserver::request 3: GET /swfobject.js HTTP/1.1
[6] 28/5/2017 21:51:05:webserver::request 4: POST /log.htm HTTP/1.1
[6] 28/5/2017 21:51:05:webserver::request 4: GET /swfobject.js HTTP/1.1
[8] 28/5/2017 21:51:05:No special routing, routing to sip:[email protected]:5060;lr
[8] 28/5/2017 21:51:05:route_pending_packet 1000014: entry=url ? sip:[email protected]:5060;lr
[8] 28/5/2017 21:51:05:route_pending_packet 1000014: entry=udp 192.168.8.1 5060
[8] 28/5/2017 21:51:05:Send Packet ACK
[6] 28/5/2017 21:51:06:webserver::request 5: POST /log.htm HTTP/1.1
[6] 28/5/2017 21:51:06:webserver::request 5: GET /swfobject.js HTTP/1.1
[6] 28/5/2017 21:51:07:webserver::request 5: POST /log.htm HTTP/1.1
[6] 28/5/2017 21:51:07:webserver::request 5: GET /swfobject.js HTTP/1.1
[6] 28/5/2017 21:51:08:webserver::request 5: POST /log.htm HTTP/1.1
[6] 28/5/2017 21:51:08:webserver::request 5: GET /swfobject.js HTTP/1.1
[6] 28/5/2017 21:51:09:webserver::request 5: POST /log.htm HTTP/1.1
[6] 28/5/2017 21:51:09:webserver::request 5: GET /swfobject.js HTTP/1.1
[8] 28/5/2017 21:51:10:No special routing, routing to sip:[email protected]:5060;lr
[8] 28/5/2017 21:51:10:route_pending_packet 1000015: entry=url ? sip:[email protected]:5060;lr
[8] 28/5/2017 21:51:10:route_pending_packet 1000015: entry=udp 192.168.8.1 5060
[8] 28/5/2017 21:51:10:Send Packet ACK
[6] 28/5/2017 21:51:10:webserver::request 6: POST /log.htm HTTP/1.1
[6] 28/5/2017 21:51:10:webserver::request 6: GET /swfobject.js HTTP/1.1
[5] 28/5/2017 21:51:10ialog 3/2 going to terminated
[8] 28/5/2017 21:51:10:route_pending_packet 1000016: entry=udp 212.72.62.126 5060
[8] 28/5/2017 21:51:10:Send Packet 200
[5] 28/5/2017 21:51:11:timeout::callback: Registering with timeout of 0 ms
[8] 28/5/2017 21:51:11NS cache_lookup: a stun.sonetel.net -> 52.24.174.49
[8] 28/5/2017 21:51:11NS cache_lookup: a stun.sonetel.net -> 52.26.251.34
[8] 28/5/2017 21:51:11NS cache_lookup: a stun.sonetel.net -> 52.24.174.49
[8] 28/5/2017 21:51:11NS cache_lookup: a stun.sonetel.net -> 52.26.251.34
[8] 28/5/2017 21:51:11NS cache_lookup: a stun.sonetel.net -> 52.24.174.49
[8] 28/5/2017 21:51:11NS cache_lookup: a stun.sonetel.net -> 52.26.251.34
[8] 28/5/2017 21:51:11NS cache_lookup: a stun.sonetel.net -> 52.24.174.49
[8] 28/5/2017 21:51:11NS cache_lookup: a stun.sonetel.net -> 52.26.251.34
[8] 28/5/2017 21:51:11NS cache_lookup: a stun.sonetel.net -> 52.24.174.49
[8] 28/5/2017 21:51:11NS cache_lookup: a stun.sonetel.net -> 52.26.251.34
[6] 28/5/2017 21:51:11:Line-Seize subscription was not sent
[6] 28/5/2017 21:51:12:Unknown message attribute type 0x8022
[6] 28/5/2017 21:51:12:webserver::request 7: POST /log.htm HTTP/1.1
[6] 28/5/2017 21:51:12:Unknown message attribute type 0x8022
[6] 28/5/2017 21:51:12:webserver::request 7: GET /swfobject.js HTTP/1.1
[6] 28/5/2017 21:51:15:Hook switch pressed
[6] 28/5/2017 21:51:20:webserver::request 8: POST /log.htm HTTP/1.1
[6] 28/5/2017 21:51:20:webserver::request 8: GET /swfobject.js HTTP/1.1
[8] 28/5/2017 21:51:27:Sending Keepalive...
[6] 28/5/2017 21:51:38:webserver::request 9: POST /log.htm HTTP/1.1
[6] 28/5/2017 21:51:38:webserver::request 9: GET /swfobject.js HTTP/1.1
[6] 28/5/2017 21:51:41:webserver::request 10: POST /log.htm HTTP/1.1
[6] 28/5/2017 21:51:41:webserver::request 10: GET /swfobject.js HTTP/1.1
[6] 28/5/2017 21:51:48:webserver::request 11: POST /log.htm HTTP/1.1
[6] 28/5/2017 21:51:48:webserver::request 11: GET /swfobject.js HTTP/1.1
[6] 28/5/2017 21:51:48:webserver::request 11: POST /log.htm HTTP/1.1
[6] 28/5/2017 21:51:49:webserver::request 11: GET /swfobject.js HTTP/1.1
[8] 28/5/2017 21:51:57:Sending Keepalive...
[8] 28/5/2017 21:51:58:SRTP disabled
[8] 28/5/2017 21:51:58:no_cwi: 0
[8] 28/5/2017 21:51:58:stop annoying: 0
[8] 28/5/2017 21:51:58:state active: 0
[6] 28/5/2017 21:51:58:find_function_key_for_uri: Looking to match sip:[email protected]:1024
[6] 28/5/2017 21:51:58:Line-Seize subscription was not sent
[8] 28/5/2017 21:51:58:route_pending_packet 1000017: entry=udp 212.72.62.126 5060
[8] 28/5/2017 21:51:58:Send Packet 180
[5] 28/5/2017 21:51:58ialog -2/4 going to early
[8] 28/5/2017 21:51:59NS cache_lookup: a stun.sonetel.net -> 52.24.174.49
[8] 28/5/2017 21:51:59NS cache_lookup: a stun.sonetel.net -> 52.26.251.34
[8] 28/5/2017 21:51:59NS cache_lookup: a stun.sonetel.net -> 52.24.174.49
[8] 28/5/2017 21:51:59NS cache_lookup: a stun.sonetel.net -> 52.26.251.34
[8] 28/5/2017 21:51:59NS cache_lookup: a stun.sonetel.net -> 52.24.174.49
[8] 28/5/2017 21:51:59NS cache_lookup: a stun.sonetel.net -> 52.26.251.34
[8] 28/5/2017 21:51:59NS cache_lookup: a stun.sonetel.net -> 52.24.174.49
[8] 28/5/2017 21:51:59NS cache_lookup: a stun.sonetel.net -> 52.26.251.34
[8] 28/5/2017 21:51:59NS cache_lookup: a stun.sonetel.net -> 52.24.174.49
[8] 28/5/2017 21:51:59NS cache_lookup: a stun.sonetel.net -> 52.26.251.34
[8] 28/5/2017 21:51:59:SRTP disabled
[8] 28/5/2017 21:51:59:no_cwi: 0
[8] 28/5/2017 21:51:59:stop annoying: 0
[8] 28/5/2017 21:51:59:state active: 0
[6] 28/5/2017 21:51:59:find_function_key_for_uri: Looking to match sip:[email protected]:1024
[6] 28/5/2017 21:51:59:Line-Seize subscription was not sent
[8] 28/5/2017 21:51:59:route_pending_packet 1000018: entry=udp 212.72.62.126 5060
[8] 28/5/2017 21:51:59:Send Packet 180
[5] 28/5/2017 21:51:59ialog -4/5 going to early
[8] 28/5/2017 21:51:59NS cache_lookup: a stun.sonetel.net -> 52.24.174.49
[8] 28/5/2017 21:51:59NS cache_lookup: a stun.sonetel.net -> 52.26.251.34
[8] 28/5/2017 21:51:59NS cache_lookup: a stun.sonetel.net -> 52.24.174.49
[8] 28/5/2017 21:51:59NS cache_lookup: a stun.sonetel.net -> 52.26.251.34
[8] 28/5/2017 21:51:59NS cache_lookup: a stun.sonetel.net -> 52.24.174.49
[8] 28/5/2017 21:51:59NS cache_lookup: a stun.sonetel.net -> 52.26.251.34
[8] 28/5/2017 21:51:59NS cache_lookup: a stun.sonetel.net -> 52.24.174.49
[8] 28/5/2017 21:51:59NS cache_lookup: a stun.sonetel.net -> 52.26.251.34
[8] 28/5/2017 21:51:59NS cache_lookup: a stun.sonetel.net -> 52.24.174.49
[8] 28/5/2017 21:51:59NS cache_lookup: a stun.sonetel.net -> 52.26.251.34
[8] 28/5/2017 21:51:59:Send Packet 180
[6] 28/5/2017 21:51:59:Unknown message attribute type 0x8022
[8] 28/5/2017 21:52:00:Send Packet 180
[6] 28/5/2017 21:52:00:Unknown message attribute type 0x8022
[6] 28/5/2017 21:52:00:Unknown message attribute type 0x8022
[6] 28/5/2017 21:52:00:Unknown message attribute type 0x8022
[8] 28/5/2017 21:52:00:Send Packet 180
[8] 28/5/2017 21:52:01:Send Packet 180
[8] 28/5/2017 21:52:02:Send Packet 180
[8] 28/5/2017 21:52:03:Send Packet 180
[8] 28/5/2017 21:52:06:Send Packet 180
[8] 28/5/2017 21:52:07:Send Packet 180
[7] 28/5/2017 21:52:08:settings::apply_value: vol_ringer = '2', set.need_apply: 0, finished: 1, need reboot to apply: 0
[5] 28/5/2017 21:52:08:Applying Settings...
[6] 28/5/2017 21:52:09:Going to write file /snomconfig/config.xml.
[6] 28/5/2017 21:52:09:Attempt to write the file /snomconfig/firmware.xml which has not changed.
[6] 28/5/2017 21:52:09:Attempt to write the file /snomconfig/fkeys.xml which has not changed.
[6] 28/5/2017 21:52:09:Attempt to write the file /snomconfig/tbook.xml which has not changed.
[6] 28/5/2017 21:52:09:Attempt to write the file /snomconfig/dialplan.xml which has not changed.
[5] 28/5/2017 21:52:09:Settings applied!
[6] 28/5/2017 21:52:09:webserver::request 12: POST /log.htm HTTP/1.1
[6] 28/5/2017 21:52:09:webserver::request 12: GET /swfobject.js HTTP/1.1
[6] 28/5/2017 21:52:10:webserver::request 12: POST /log.htm HTTP/1.1
[6] 28/5/2017 21:52:10:webserver::request 12: GET /swfobject.js HTTP/1.1
[8] 28/5/2017 21:52:13:route_pending_packet 1000019: entry=udp 212.72.62.126 5060
[8] 28/5/2017 21:52:13:Send Packet 200
[8] 28/5/2017 21:52:13:route_pending_packet 1000020: entry=udp 212.72.62.126 5060
[8] 28/5/2017 21:52:13:Send Packet 487
[5] 28/5/2017 21:52:13ialog -2/4 going to terminated
[5] 28/5/2017 21:52:13:timeout::callback: Registering with timeout of 0 ms
[8] 28/5/2017 21:52:14:route_pending_packet 1000021: entry=udp 212.72.62.126 5060
[8] 28/5/2017 21:52:14:Send Packet 200
[8] 28/5/2017 21:52:14:route_pending_packet 1000022: entry=udp 212.72.62.126 5060
[8] 28/5/2017 21:52:14:Send Packet 487
[5] 28/5/2017 21:52:14ialog -4/5 going to terminated
[5] 28/5/2017 21:52:14:timeout::callback: Registering with timeout of 0 ms
[8] 28/5/2017 21:52:14:Send Packet 487
[6] 28/5/2017 21:52:16:webserver::request 13: POST /log.htm HTTP/1.1


jemand eine idee?