Mobilink ip by TOPEX

Hello ,
I’m new here and in Freepbx ,Recently i installed last Freepbx and i have MOBILINK IP BY TOPEX with single sim and i try to interconect and recive this erorr :

chan_sip.c:26449 handle_request_invite: Call from ‘xxxxxxxxx’ (192.168.0.112:5160) to extension ‘4321’ rejected because extension not found in context ‘Mobilink IP’

wiki.topex.ro/index.php/Interconnect_with_Asterisk_IPPBX there have instructions to interconect but with Freepbx not working

Name/username Host Dyn Forcerport Comedia ACL Port Status Description
101/101 192.168.0.109 D No No A 5160 OK (11 ms)
102/102 192.168.0.100 D No No A 58029 OK (4 ms)
TOPEX 192.168.0.112 Yes Yes 5160 Unmonitored
3 sip peers [Monitored: 2 online, 0 offline Unmonitored: 1 online, 0 offline]