system toolbox » voip

Lyon

[trunk-lyon-paris]
type=peer
host=asterisk-paris
context=from-asterisk-paris
username=trunk-paris-lyon
secret=strong_password

Paris

[trunk-paris-lyon]
type=peer
context=from-asterisk-lyon
host=asterisk-lyon
username=trunk-lyon-paris
secret=strong_password

In Lyon we also need a specific set of action to allow a call, prefixed by 98 to be routed towards Paris:

exten => _98.,1,Set(CALLERID(num)=91${CALLERID(num)})
exten => _98.,2,Dial(SIP/trunk-lyon-paris/${EXTEN:2},20,rt)