dariohimo Saludos, dejare adjunto el archivo de configuración (Unistim.conf) el cual modifique según las instrucciones que pude recolectar en las distintas web para poder registrar un telefono nortel 2002, luego de modificar este archivo cree una extensión SIP en la pbx.
; name of the device
device=001ECAFA8DE6 ; mac address of the phone
rtp_port=10000 ; RTP port used by the phone, default = 10000. RTCP = rtp_port+1
rtp_method=0 ; If you don't have sound, you can try 1, 2 or 3, default = 0
; value 3 works on newer i2004, 1120E and 1140E
status_method=0 ; If you don't see status text, try 1, default = 0
; value 1 works on 1120E and 1140E
titledefault=Asterisk ; default = "TimeZone (your time zone)". 12 characters max
height=1 ; default = 3, the number of display lines the device can show
; For example on a Nortel I2001 or I2002, set this to 1
maintext0="B Intelligence" ; default = "Welcome", 24 characters max
;maintext1="a custom text" ; default = the name of the device, 24 characters max
;maintext2="(main page)" ; default = the public IP of the phone, 24 characters max
dateformat=1 ; 0 = month/day, 1 (default) = day/month
timeformat=0 ; 0 = 0:00am ; 1 (default) = 0h00, 2 = 0:00
;contrast=8 ; define the contrast of the LCD. From 0 to 15. Default = 8
;country=us ; country (ccTLD) for dial tone frequency. See README, default = us
ringvolume=2 ; ring volume : 0,1,2,3, can be overrided by Dial(), default = 2
ringstyle=3 ; ring style : 0 to 7, can be overrided by Dial(), default = 3
cwvolume=2 ; ring volume : 0,1,2,3, default = 0
cwstyle=3 ; ring style : 0 to 7, default = 2
sharpdial=1 ; dial number by pressing #, default = 0
;interdigit_timer=4000 ; timer for automatic dial after several digits of number entered (in ms, 0 is off)
;callhistory=1 ; 0 = disable, 1 = enable call history, default = 1
callerid="B Intelligence" <930>
context=default ; context, default="default"
;mailbox=1234 ; Specify the mailbox number. Used by Message Waiting Indication
;linelabel="Support" ; Softkey label for the next line=> entry, 9 char max.
extension=line ; Add an extension into the dialplan. Only valid in context specified previously.
; none=don't add (default), ask=prompt user, line=use the line number
line => 930 ; Any number of lines can be defined in any order with bookmarks
;line => 200 ; After line defined it placed in next available slot
;bookmark=Hans C.@123 ; Use a softkey to dial 123. Name : 9 char max
;bookmark=voz@930@54 ; 54 shows a mailbox icon. See #define FAV_ICON_ for other values (32 to 63)
;bookmark=Test@*@USTM/violet ; Display an icon if violet is connected (dynamic), only for unistim device
;bookmark=4@Pager@54321@51 ; Display a pager icon and dial 54321 when softkey 4 is pressed
;[violet]
;device=001ECAFA8DE6
;line => 930