- sip.conf

  [general]
  context=trunk ; a remplir
  bindport=5060
  bindaddr=0.0.0.0
  srvlookup=yes
  
  ; on se register sur le compte ovh
  register => xxxxxxxxxx:*******@sip.provider.net 
  
  ; comptes sip.
  
  [bragon] ;comptes clients
  type=friend
  secret=******
  qualify=yes
  nat=yes
  host=dynamic
  canreinvite=no
  context=alu
  mailbox=100@default
  
  
  [linutux]
  type=friend
  secret=******
  qualify=yes
  nat=yes
  host=dynamic
  canreinvite=no
  context=alu
  mailbox=100@default
  
  [ridfa]
  type=friend
  secret=******
  qualify=yes
  nat=yes
  host=dynamic
  canreinvite=no
  context=alu
  mailbox=100@default
  
  [acephale]
  type=friend
  secret=******
  qualify=yes
  nat=yes
  host=dynamic
  canreinvite=no
  context=alu
  mailbox=100@default
  
  
  [trunk]
  type=peer
  host=sip.provider.net
  context=alu-in
  language=fr
  insecure=very
  username=09XXXXXXXX
  secret=*******
  nat=yes
  canreinvite=no
  dtmfmode=auto
  video=no
  restrictcid=no
  amaflags=default

  - extensions.conf

  [general]
  static=yes
  writeprotect=no
  autofallthrough=yes
  clearglobalvars=no
  priorityjumping=no 
  
  [globals]
  CONSOLE=Console/dsp
  IAXINFO=guest
  TRUNK=Zap/g2
  TRUNKMSD=1 
  
  L1=SIP/bragon
  L2=SIP/linutux
  L3=SIP/onoff
  L4=SIP/ridfa
  L5=SIP/acephale
  
  [alu-in]
  
  exten => s,1,Goto(alu,accueil,1)
  
  [alu]
  
  ; si on appelle la ligne externe ca fait sonner toutes les lignes.
  exten => accueil,1,Ringing(1)
  exten => accueil,2,Answer
  exten => accueil,3,Dial(${L1}&${L2}&${L3},30,tm)
  exten => accueil,4,Hangup(16)
   
  ; 100 pour bragon , 101 pour linutux, 102 pour onoff
  
  exten => 100,1,Dial(${L1},,r)
  exten => 101,1,Dial(${L2},,r)
  exten => 102,1,Dial(${L3},,r)
  exten => 103,1,Dial(${L4},,r)
  exten => 104,1,Dial(${L5},,r)
  
  ; echo test, si on appel le 330
  
  exten => 330,1,Playback(demo-echotest)
  exten => 330,n,Echo
  exten => 330,n,Playback(demo-echodone)
  exten => 330,n,Goto(s,6)
  
  include => appel-sortant
  
  [appel-sortant]
  ; Cette partie gere les appels sortants
  exten => _X.,1,Dial(SIP/${EXTEN}@trunk)