I turned the network monitor on and then captured all of the logs until the device went offline. The only ting interesting to me was that about every 30 seconds I get the message "Err:MissingReqHdr". Here they are:
2015-07-12 09:32:17 0 Debug 192.168.1.114 syslog TCP:Except state=1(pnn) 5
2015-07-12 09:31:02 0 Debug 192.168.1.114 syslog PNN:NewUDP[3]:10060
2015-07-12 09:30:54 0 Debug 192.168.1.114 syslog PNN:NewUDP[2]:10052
2015-07-12 09:30:46 0 Debug 192.168.1.114 syslog PNN:NewUDP[1]:10045
2015-07-12 09:27:22 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:26:51 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:26:21 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:25:51 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:25:21 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:24:50 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:24:20 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:23:50 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:23:20 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:22:50 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:22:19 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:21:49 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:21:19 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:20:49 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:20:19 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:19:48 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:19:18 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:18:48 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:18:18 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:17:47 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:17:17 1 Notice SIP/2.0 syslog 200 OK
2015-07-12 09:17:17 0 Debug sendto syslog 340a2311:8891(347)
2015-07-12 09:17:17 1 Notice NOTIFY syslog sip:3523@xx.xxx.xx.xxx:xxxxSIP/2.0
2015-07-12 09:17:17 0 Debug 192.168.1.114 syslog RxFrom:340a2311:8891
2015-07-12 09:17:17 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:16:47 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:16:17 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:15:46 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:15:16 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:14:46 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:14:16 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:13:46 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:13:15 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:12:45 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:12:15 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:11:45 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:11:15 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:10:44 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:10:14 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:09:44 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:09:14 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:08:43 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:08:13 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:07:43 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:07:13 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:06:43 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:06:12 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:05:42 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:05:12 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:04:42 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:04:11 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:03:41 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:03:11 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:02:41 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:02:10 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:01:40 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:01:10 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:00:40 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 09:00:10 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 08:59:39 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 08:59:09 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 08:58:39 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 08:58:09 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 08:57:38 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 08:57:08 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 08:56:38 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 08:56:08 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 08:55:38 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 08:55:07 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 08:54:37 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 08:54:07 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 08:53:37 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 08:53:06 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 08:52:36 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 08:52:06 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 08:51:36 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 08:51:06 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 08:50:35 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 08:50:05 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 08:49:35 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 08:49:05 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 08:48:34 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 08:48:04 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 08:47:34 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 08:47:04 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 08:46:33 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 08:46:03 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 08:45:33 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 08:45:03 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 08:44:33 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 08:44:02 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 08:43:50 0 Debug [PR] prompt transcoding done!!
2015-07-12 08:43:32 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 08:43:02 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 08:42:32 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 08:42:02 0 Debug [CPT] tone compression done - 12403 !!
2015-07-12 08:42:02 0 Debug SIP syslog Err:MissingReqHdr
2015-07-12 08:42:00 18 Informational Same version Skipped
2015-07-12 08:42:00 18 Notice 192.168.1.114 PROV Auto Provision is disabled!
2015-07-12 08:42:00 18 Informational 192.168.1.114 PROV Update Config Now, ITSP: 1...
2015-07-12 08:42:00 17 Emergency XML_parse_prov 0
2015-07-12 08:42:00 18 Informational 192.168.1.114 PROV Update Config Now, ITSP: 1...
2015-07-12 08:42:00 19 Error Set Overall Timeout 600 seconds
2015-07-12 08:42:00 0 Debug 192.168.1.114 syslog TCP:Connect OK(HTTP GET)16
2015-07-12 08:42:00 18 Informational 192.168.1.114 PROV Start to download files ...
2015-07-12 08:41:57 0 Debug [CPT] syslog --- FXS s/w tone generator (sit_1) ---
2015-07-12 08:41:51 1 Notice SIP/2.0 syslog 200 OK
2015-07-12 08:41:51 0 Debug sendto syslog 340a2311:8891(379)
2015-07-12 08:41:51 0 Debug +++ mwi notify state 0
2015-07-12 08:41:51 1 Notice NOTIFY syslog sip:3523@xx.xxx.xx.xxx:xxxxSIP/2.0
2015-07-12 08:41:51 0 Debug 192.168.1.114 syslog RxFrom:340a2311:8891
2015-07-12 08:41:51 1 Notice SIP/2.0 syslog 202 OK
2015-07-12 08:41:51 0 Debug 192.168.1.114 syslog RxFrom:340a2311:8891
2015-07-12 08:41:51 1 Notice SUBSCRIBE syslog sip:3523@sms.intelafone.com:8891 SIP/2.0
2015-07-12 08:41:51 0 Debug sendto syslog 340a2311:8891(636)
2015-07-12 08:41:51 1 Notice SIP/2.0 syslog 407 Proxy Authentication Required
2015-07-12 08:41:51 0 Debug 192.168.1.114 syslog RxFrom:340a2311:8891
2015-07-12 08:41:51 1 Notice SUBSCRIBE syslog sip:3523@sms.intelafone.com:8891 SIP/2.0
2015-07-12 08:41:51 0 Debug sendto syslog 340a2311:8891(426)
2015-07-12 08:41:51 1 Notice SIP/2.0 syslog 200 OK
2015-07-12 08:41:51 0 Debug 192.168.1.114 syslog RxFrom:340a2311:8891
2015-07-12 08:41:51 1 Notice REGISTER syslog sip:sms.intelafone.com:8891 SIP/2.0
2015-07-12 08:41:51 0 Debug sendto syslog 340a2311:8891(739)
2015-07-12 08:41:51 1 Notice SIP/2.0 syslog 401 Unauthorized
2015-07-12 08:41:51 0 Debug 192.168.1.114 syslog RxFrom:340a2311:8891
2015-07-12 08:41:51 1 Notice REGISTER syslog sip:sms.intelafone.com:8891 SIP/2.0
2015-07-12 08:41:51 0 Debug sendto syslog 340a2311:8891(540)
2015-07-12 08:41:51 0 Debug 192.168.1.114 syslog REG:Create 0
2015-07-12 08:41:51 0 Debug 192.168.1.114 syslog [SLIC]:Slic#0 ON HOOK
2015-07-12 08:41:50 0 Debug 192.168.1.114 syslog BASESSL:Load certificate ok
2015-07-12 08:41:50 0 Debug 192.168.1.114 syslog BASESSL:load cert:8
2015-07-12 08:41:50 0 Debug [CPT] syslog --- FXS s/w tone generator (ringback) ---
2015-07-12 08:41:50 0 Debug [SLIC] DAA command with wrong id 0, 2, 0, 0, 0, 0
2015-07-12 08:41:50 0 Debug Voice syslog Main
2015-07-12 08:41:50 0 Informational Start Main Service Now
2015-07-12 08:41:48 0 Emergency SLIC & DAA is initialized
2015-07-12 08:41:46 18 Informational Setup Provisioning for system start! 1400
2015-07-12 08:41:46 0 Emergency Reset syslog SLIC...
2015-07-12 08:41:46 0 Emergency SLIC_init syslog ...
2015-07-12 08:41:46 21 Notice 192.168.1.114 ZT CustomID 1
2015-07-12 08:41:46 0 Error SYSTEM REBOOTED (Reason 4, lifecycle: 585)
2015-07-12 08:41:46 0 Emergency Netmask = 255.255.255.0
2015-07-12 08:41:46 0 Emergency Gateway = 192.168.1.1
2015-07-12 08:41:46 0 Emergency IP Address= 192.168.1.114
2015-07-12 08:41:46 0 Informational ==== Networking is ready ====
Is this enlightening to anyone?