This procomm script should do the trick for you. I would test on a couple of phones first. I have been using a program called ZOC and am a little rusty with Aspect now.
proc main
string sline, tipe,tn,des
fopen 0 "DES1.TXT" READ ;Open our data file
while not feof 0 ;While the file still has data
fgets 0 sLine ;Read a line of data
strtok tipe sLine "`t" 1 ;Get the first field
strtok tn sLine "`t" 1 ;Get the second field
strtok des sLine "`t" 1 ;Get the third field
set txpace 30
waitfor "REQ: "
transmit "chg^M"
waitfor "TYPE: "
transmit tipe
transmit "^M"
waitfor "TN "
transmit tn
transmit "^M"
waitfor "ECHG "
transmit "yes^M"
waitfor "ITEM "
transmit "DES "
waitfor " DES "
transmit des
transmit "^M"
endwhile
fclose 0
endproc
cOPY THIS FILE AS A DELIMITED .TXT FILE (Change the DES TO WHAT EVER YOU WANT THE NEW DES TO BE).
500 005 0 00 05 DOOR
500 005 0 00 15 FAX
500 005 0 00 00 MODEM
500 005 0 00 14 MODEM
500 133 0 00 04 MODL20
500 133 0 00 05 MODL21
500 133 0 00 06 MODL22
500 133 0 00 07 MODL23
500 133 0 00 08 MODL24
500 133 0 00 09 MODL25
500 133 0 00 10 MODL26
500 134 0 00 08 MODL40
500 005 0 00 03 NITE
500 005 0 00 01 SEB
500 005 0 00 04 SEB
500 005 0 00 06 SEB
500 005 0 00 07 SEB
500 005 0 00 08 SEB
500 005 0 00 09 SEB
500 005 0 00 10 SEB
500 005 0 00 11 SEB
500 005 0 00 12 SEB
500 005 0 00 13 SEB
500 005 0 00 02 TEST
2006 137 0 00 05 MODL21
2006 137 0 00 06 MODL22
2006 137 0 00 07 MODL23
2006 137 0 00 08 MODL24
2006 137 0 00 09 MODL25
2006 138 0 00 08 MODL40
2006 138 0 00 09 MODL41
2006 139 0 00 02 MODL50
2008 002 0 00 15 JK10
2008 004 0 00 01 JK11
2008 003 0 00 00 JK12
2008 003 0 00 02 JK14
2008 003 0 00 03 JK15
2008 003 0 00 04 JK16
2008 003 0 00 05 JK17
2008 003 0 00 06 JK17
2008 003 0 00 07 JK17
2008 002 0 00 12 JK18
2008 003 0 00 11 JK18
2008 003 0 00 15 JK18
2008 004 0 00 02 JK18
2008 004 0 00 03 JK18
2008 004 0 00 05 JK18
2008 004 0 00 06 JK18
2008 004 0 00 07 JK18
2008 004 0 00 09 JK18
2008 004 0 00 15 JK18
2008 002 0 00 02 JK21
2008 004 0 00 14 JK21
2008 004 0 00 08 JK22
2008 002 0 00 04 JK24
2008 002 0 00 06 JK25
2008 002 0 00 08 JK27
2008 002 0 00 09 JK28
2008 002 0 00 10 JK29
2008 002 0 00 11 JK30
2008 004 0 00 11 JK39
2008 003 0 00 13 JK41
2008 004 0 00 12 JK44
2008 004 0 00 13 JK45
2008 004 0 00 10 JK52
2008 003 0 00 08 JK64
2008 129 0 00 04 MODL20
2008 129 0 00 05 MODL21
2008 129 0 00 06 MODL22
2008 129 0 00 07 MODL23
2008 129 0 00 08 MODL24
2008 129 0 00 09 MODL25
2008 129 0 00 10 MODL26
2008 129 0 00 11 MODL27
2008 129 0 00 12 MODL28
2008 129 0 00 14 MODL30
2008 129 0 00 15 MODL31
2008 130 0 00 00 MODL32
2008 130 0 00 01 MODL33
2008 130 0 00 08 MODL40
2008 130 0 00 09 MODL41
2008 131 0 00 02 MODL50
2008 131 0 00 03 MODL51
2008 131 0 00 04 MODL52
2008 131 0 00 05 MODL53
2008 131 0 00 12 MODL60
2008 131 0 00 13 MODL61
2008 134 0 00 03 MODL99
2008 002 0 00 05 TRN
2009 141 0 00 05 MODL21
2009 141 0 00 10 MODL26
2018 141 0 00 08 MODL24
2018 141 0 00 13 MODL29
2112 141 0 00 06 MODL22
2112 141 0 00 11 MODL27
2216 137 0 00 04 MODL20
2216 137 0 00 14 MODL30
2216 139 0 00 12 MODL60
2317 141 0 00 04 MODL20
2317 141 0 00 09 MODL25
2616 003 0 00 14 JK13
2616 004 0 00 00 JK13
2616 003 0 00 01 JK18
2616 004 0 00 04 JK2
2616 002 0 00 14 JK31
2616 003 0 00 10 JK35
2616 003 0 00 09 JK38
2616 002 0 00 01 JK4
2616 003 0 00 12 JK56
2616 002 0 00 13 JK8
2616 002 0 00 00 J3
2616 133 0 00 14 MODL30
2616 133 0 00 15 MODL31
2616 134 0 00 00 MODL32