Karel(192.168.2.99)?>Asterisk1(192.168.2.100) ?>Asterisl2(192.168.2.200) ?>Tomas(192.168.2.201)

Asterisk1

sip.conf 
[ODCHOZI]
type=peer
secret=heslo
username=karel
host=192.168.2.200
fromuser=tomas
nat=yes
context=mujcontext

[PRICHOZI]
type=friend
host=192.168.2.200
nat=yes
context=mujcontext

[karel]
type=friend
secret=heslo
host=dynamic
nat=yes
context=mujcontext
callgroup=1
pickupgroup=1
canreinvite=no

 
extensions.conf:


[mujcontext]

;zajisteni smerovani prichoziho hovoru

exten => PRICHOZI,1,Dial(SIP/karel)

exten => PRICHOZI,n,Hangup

;zajisteni smerovani odchoziho hovoru

exten => 1,1,Answer
exten => 1,n,Dial(SIP/${EXTEN:1}@ODCHOZI,30,r)
exten => 1,n,Hangup


Asterisk2

sip.conf 
[ODCHOZI]
type=peer
secret=heslo
username=tomas
host=192.168.2.100
fromuser=karel
nat=yes
context=mujcontext

[PRICHOZI]
type=friend
host=192.168.2.100
nat=yes
context=mujcontext

[tomas]
type=friend
secret=heslo
host=dynamic
nat=yes
context=mujcontext
callgroup=1
pickupgroup=1
canreinvite=no

 
extensions.conf:


[mujcontext]

;zajisteni smerovani prichoziho hovoru

exten => PRICHOZI,1,Dial(SIP/tomas)

exten => PRICHOZI,n,Hangup

;zajisteni smerovani odchoziho hovoru

exten => 1,1,Answer
exten => 1,n,Dial(SIP/${EXTEN:1}@ODCHOZI,30,r)
exten => 1,n,Hangup