---Help me with the problem after port scanning

My company is designing a ip phone based ti TMS320C5472 chip. The os
inside is ucLinux. I am use the command "nmap -sT ipphone_ipaddress"
under linux to scan it. The result is that the phone die, the ouput of
namp after long time is as below:
---------------------------------------------------------------
Interesting ports on  (192.168.98.97):
(The 1299 ports scanned but not shown below are in state: filtered)
Port       State       Service
2/tcp      closed      compressnet
13/tcp     closed      daytime
16/tcp     closed      unknown
18/tcp     closed      msp
25/tcp     closed      smtp
38/tcp     closed      rap
39/tcp     closed      rlp
44/tcp     closed      mpm-flags
45/tcp     closed      mpm
46/tcp     closed      mpm-snd
51/tcp     closed      la-maint
55/tcp     closed      isi-gl
64/tcp     closed      covia
67/tcp     closed      dhcp
79/tcp     closed      finger
83/tcp     closed      mit-ml-dev
95/tcp     closed      supdup
101/tcp    closed      hostname
103/tcp    closed      gppitnp
104/tcp    closed      acr-nema
117/tcp    closed      uucp-path
118/tcp    closed      sqlserv
132/tcp    closed      cisco-sys
137/tcp    closed      netbios-ns
141/tcp    closed      emfis-cntl
146/tcp    closed      iso-tp0
150/tcp    closed      sql-net
158/tcp    closed      pcmail-srv
165/tcp    closed      xns-courier
166/tcp    closed      s-net
174/tcp    closed      mailq
185/tcp    closed      remote-kis
187/tcp    closed      aci
196/tcp    closed      dn6-smm-red
198/tcp    closed      dls-mon
199/tcp    closed      smux
206/tcp    closed      at-zis
207/tcp    closed      at-7
208/tcp    closed      at-8
210/tcp    closed      z39.50
212/tcp    closed      anet
224/tcp    closed      unknown
225/tcp    closed      unknown
245/tcp    closed      link
249/tcp    closed      unknown
251/tcp    closed      unknown
252/tcp    closed      unknown
256/tcp    closed      rap
258/tcp    closed      yak-chat
260/tcp    closed      openport
263/tcp    closed      hdap
270/tcp    closed      unknown
272/tcp    closed      unknown
276/tcp    closed      unknown
281/tcp    closed      personal-link
285/tcp    closed      unknown
293/tcp    closed      unknown
297/tcp    closed      unknown
300/tcp    closed      unknown
302/tcp    closed      unknown
304/tcp    closed      unknown
307/tcp    closed      unknown
309/tcp    closed      entrusttime
316/tcp    closed      decauth
318/tcp    closed      unknown
329/tcp    closed      unknown
330/tcp    closed      unknown
331/tcp    closed      unknown
332/tcp    closed      unknown
336/tcp    closed      unknown
337/tcp    closed      unknown
345/tcp    closed      pawserv
348/tcp    closed      csi-sgwp
356/tcp    closed      cloanto-net-1
383/tcp    closed      hp-alarm-mgr
384/tcp    closed      arns
393/tcp    closed      dis
397/tcp    closed      mptn
399/tcp    closed      iso-tsap-c2
408/tcp    closed      prm-sm
423/tcp    closed      opc-job-start
428/tcp    closed      ocs_cmu
431/tcp    closed      utmpcd
434/tcp    closed      mobileip-agent
457/tcp    closed      scohelp
465/tcp    closed      smtps
469/tcp    closed      rcp
486/tcp    closed      sstats
496/tcp    closed      pim-rp-disc
503/tcp    closed      intrinsa
513/tcp    closed      login
518/tcp    closed      ntalk
533/tcp    closed      netwall
539/tcp    closed      apertus-ldp
540/tcp    closed      uucp
560/tcp    closed      rmonitor
566/tcp    closed      streettalk
569/tcp    closed      ms-rome
580/tcp    closed      sntp-heartbeat
582/tcp    closed      scc-security
589/tcp    closed      eyelink
600/tcp    closed      ipcserver
604/tcp    closed      unknown
622/tcp    closed      unknown
623/tcp    closed      unknown
626/tcp    closed      unknown
629/tcp    closed      unknown
630/tcp    closed      unknown
638/tcp    closed      unknown
645/tcp    closed      unknown
654/tcp    closed      unknown
661/tcp    closed      unknown
670/tcp    closed      unknown
677/tcp    closed      unknown
679/tcp    closed      unknown
683/tcp    closed      unknown
691/tcp    closed      resvc
695/tcp    closed      unknown
698/tcp    closed      unknown
699/tcp    closed      unknown
721/tcp    closed      unknown
734/tcp    closed      unknown
735/tcp    closed      unknown
738/tcp    closed      unknown
745/tcp    closed      unknown
748/tcp    closed      ris-cm
767/tcp    closed      phonebook
769/tcp    closed      vid
778/tcp    closed      unknown
797/tcp    closed      unknown
803/tcp    closed      unknown
808/tcp    closed      unknown
816/tcp    closed      unknown
845/tcp    closed      unknown
847/tcp    closed      unknown
848/tcp    closed      unknown
856/tcp    closed      unknown
859/tcp    closed      unknown
866/tcp    closed      unknown
868/tcp    closed      unknown
874/tcp    closed      unknown
880/tcp    closed      unknown
886/tcp    closed      unknown
895/tcp    closed      unknown
898/tcp    closed      unknown
900/tcp    closed      unknown
901/tcp    closed      samba-swat
905/tcp    closed      unknown
906/tcp    closed      unknown
907/tcp    closed      unknown
908/tcp    closed      unknown
912/tcp    closed      unknown
925/tcp    closed      unknown
946/tcp    closed      unknown
947/tcp    closed      unknown
955/tcp    closed      unknown
959/tcp    closed      unknown
962/tcp    closed      unknown
971/tcp    closed      unknown
972/tcp    closed      unknown
979/tcp    closed      unknown
982/tcp    closed      unknown
984/tcp    closed      unknown
992/tcp    closed      telnets
1004/tcp   closed      unknown
1032/tcp   closed      iad3
1067/tcp   closed      instl_boots
1084/tcp   closed      ansoft-lm-2
1109/tcp   closed      kpop
1110/tcp   closed      nfsd-status
1353/tcp   closed      relief
1358/tcp   closed      connlcli
1368/tcp   closed      screencast
1380/tcp   closed      telesis-licman
1415/tcp   closed      dbstar
1418/tcp   closed      timbuktu-srv2
1420/tcp   closed      timbuktu-srv4
1432/tcp   closed      blueberry-lm
1437/tcp   closed      tabula
1442/tcp   closed      cadis-2
1447/tcp   closed      apri-lm
1453/tcp   closed      genie-lm
1465/tcp   closed      pipes
1466/tcp   closed      oceansoft-lm
1471/tcp   closed      csdmbase
1475/tcp   closed      taligent-lm
1486/tcp   closed      nms_topo_serv
1490/tcp   closed      insitu-conf
1522/tcp   closed      rna-lm
1528/tcp   closed      mciautoreg
1529/tcp   closed      support
1544/tcp   closed      aspeclmd
1663/tcp   closed      netview-aix-3
1723/tcp   closed      pptp
1986/tcp   closed      licensedaemon
1991/tcp   closed      stun-p2
2002/tcp   closed      globe
2006/tcp   closed      invokator
2013/tcp   closed      raid-am
2017/tcp   closed      cypress-stat
2018/tcp   closed      terminaldb
2030/tcp   closed      device2
2044/tcp   closed      rimsl
2048/tcp   closed      dls-monitor
2106/tcp   closed      ekshell
2108/tcp   closed      rkinit
2112/tcp   closed      kip
2120/tcp   closed      kauth
2301/tcp   closed      compaqdiag
2430/tcp   closed      venus
2601/tcp   closed      zebra
2627/tcp   closed      webster
3005/tcp   closed      deslogin
3086/tcp   closed      sj3
3141/tcp   closed      vmodem
3264/tcp   closed      ccmail
3306/tcp   closed      mysql
3389/tcp   closed      msrdp
3455/tcp   closed      prsvp
3456/tcp   closed      vat
3462/tcp   closed      track
3900/tcp   closed      udt_os
4557/tcp   closed      fax
4559/tcp   closed      hylafax
5010/tcp   closed      telelpathstart
5232/tcp   closed      sgi-dgl
5301/tcp   closed      hacl-gs
5308/tcp   closed      cfengine
5432/tcp   closed      postgres
5520/tcp   closed      sdlog
5540/tcp   closed      sdreport
5680/tcp   closed      canna
5801/tcp   closed      vnc-1
6005/tcp   closed      X11:5
6007/tcp   closed      X11:7
6110/tcp   closed      softcm
6141/tcp   closed      meta-corp
6144/tcp   closed      statsci1-lm
6145/tcp   closed      statsci2-lm
6147/tcp   closed      montage-lm
6346/tcp   closed      gnutella
6667/tcp   closed      irc
7001/tcp   closed      afs3-callback
7002/tcp   closed      afs3-prserver
7003/tcp   closed      afs3-vlserver
7007/tcp   closed      afs3-bos
8081/tcp   closed      blackice-icecap
8082/tcp   closed      blackice-alerts
8892/tcp   closed      seosload
9991/tcp   closed      issa
22370/tcp  closed      hpnpd
27665/tcp  closed      Trinoo_Master
32777/tcp  closed      sometimes-rpc17
32779/tcp  closed      sometimes-rpc21
32786/tcp  closed      sometimes-rpc25
---------------------------------------------------------------

Somebody can tell me what problem this is. I do this because in the
alpha demo some units died without reason.

Thanks in advance

Bill Zhao