sip.conf
---------------------------------------------------------------------
context=telsip                  ; Default context for incoming calls
regcontext=telsip 
     
[pacopepe]
; Turn off silence suppression in X-Lite ("Transmit Silence"=YES)!
; Note that Xlite sends NAT keep-alive packets, so qualify=yes is not needed
type=friend
username=pacopepe
secret=*****
regexten=757                    ; When they register, create extension 1234
callerid="Paco Montilla" <757>
host=dynamic                    ; This device needs to register
canreinvite=yes
transfer=yes                    ; Typically set to NO if behind NAT
disallow=all
allow=alaw
allow=gsm                       ; GSM consumes far less bandwidth than ulaw
;mailbox=757@default    ; Subscribe to status of multiple mailboxes
context=telsip
-----------------------------------

extensions.conf
------------------------------
include => out_isdn
include => enespera
include => telsip
include => isdn_in_nt
include => nuevosip


[macro-nuevosip]
exten => s,1,Dial(SIP/${ARG1},30,rtT)
exten => s,2,VoiceMail(u${MACRO_EXTEN}@default)
exten => s,3,Hangup
exten => s,102,VoiceMail(b${MACRO_EXTEN}@default)
exten => s,103,Hangup

[telsip]
exten => _7XX,hint,${EXTEN}
exten => _7XX,1,Macro(nuevosip,${EXTEN})
exten => _7XX,2,NoOp(Contexto ${MACRO_CONTEXT} ARG1 ${ARG1} Prioridad ${MACRO_PRIORITY} Extension: ${EXTEN})
include => internal