j'ai configuré mon serveur . l'appel ne passe pas . Et il y a ce message qui affiche :

[May 14 10:53:04] == Using SIP RTP CoS mark 5
[May 14 10:53:04] -- Executing [909********@default:1] Dial("SIP/5000-00000002", "SIP/compteSIP/09********,,tToR") in new stack
[May 14 10:53:04] == Using SIP RTP CoS mark 5
[May 14 10:53:04] -- Called SIP/compteSIP/09********
[May 14 10:53:04] == Everyone is busy/congested at this time (1:0/0/1)
[May 14 10:53:04] -- Auto fallthrough, channel 'SIP/5000-00000002' status is 'CHANUNAVAIL'
[May 14 10:53:04] -- Executing [h@default:1] AGI("SIP/5000-00000002", "agi://127.0.0.1:4577/call_log--HVcauses--PRI-----NODEBUG-----127-----CHANUNAVAIL----------") in new stack
[May 14 10:53:04] -- <SIP/5000-00000002>AGI Script agi://127.0.0.1:4577/call_log--HVcauses--PRI-----NODEBUG-----127-----CHANUNAVAIL---------- completed, returning 0