Addendum avec cette fois des tentatives d'appels sortant avec toujours le même soucis.

Code:
    -- Executing [00298337600@users:1] Dial("SIP/13-0000021d", "SIP/0298337600@ovh-out,,r") in new stack
  == Using SIP RTP CoS mark 5
    -- Called SIP/0298337600@ovh-out
[Mar 13 14:33:53] WARNING[18377]: chan_sip.c:4175 retrans_pkt: Retransmission timeout reached on transmission 47eec1c34226fe533585c1e423e02ebf@80.12.90.15:5060 for seqno 102 (Critical Request) -- See https://wiki.asterisk.org/wiki/display/AST/SIP+Retransmissions
Packet timed out after 6400ms with no response
[Mar 13 14:33:53] WARNING[18377]: chan_sip.c:4204 retrans_pkt: Hanging up call 47eec1c34226fe533585c1e423e02ebf@80.12.90.15:5060 - no reply to our critical packet (see https://wiki.asterisk.org/wiki/display/AST/SIP+Retransmissions).
  == Everyone is busy/congested at this time (1:0/0/1)
    -- Auto fallthrough, channel 'SIP/13-0000021d' status is 'CHANUNAVAIL'
[Mar 13 14:33:57] NOTICE[18377]: chan_sip.c:27783 handle_request_subscribe: Received SIP subscribe for peer without mailbox: 50
[Mar 13 14:36:57] NOTICE[18377]: chan_sip.c:27783 handle_request_subscribe: Received SIP subscribe for peer without mailbox: 50
  == Using SIP RTP CoS mark 5
    -- Executing [s@standard:1] Answer("SIP/ovh-in-0000021f", "") in new stack
    -- Executing [s@standard:2] Set("SIP/ovh-in-0000021f", "CALLERID(name)=") in new stack
    -- Executing [s@standard:3] BackGround("SIP/ovh-in-0000021f", "01_Eulerian_Tech_Bonjour") in new stack
    -- <SIP/ovh-in-0000021f> Playing '01_Eulerian_Tech_Bonjour.ulaw' (language 'fr')
       > 0x2452b10 -- Probation passed - setting RTP source address to 91.121.129.142:34890
    -- Executing [s@standard:4] BackGround("SIP/ovh-in-0000021f", "02_Eulerian_Service_Commercial") in new stack
    -- <SIP/ovh-in-0000021f> Playing '02_Eulerian_Service_Commercial.ulaw' (language 'fr')
    -- Executing [s@standard:5] BackGround("SIP/ovh-in-0000021f", "03_Eulerian_Menu_1") in new stack
    -- <SIP/ovh-in-0000021f> Playing '03_Eulerian_Menu_1.ulaw' (language 'fr')
    -- Executing [s@standard:6] Wait("SIP/ovh-in-0000021f", "0.5") in new stack
    -- Executing [s@standard:7] BackGround("SIP/ovh-in-0000021f", "04_Eulerian_Service_Account_Management") in new stack
    -- <SIP/ovh-in-0000021f> Playing '04_Eulerian_Service_Account_Management.ulaw' (language 'fr')
    -- Executing [1@standard:1] Queue("SIP/ovh-in-0000021f", "sales,nTtr,,,") in new stack
  == Using SIP RTP CoS mark 5
    -- Called SIP/17
  == Using SIP RTP CoS mark 5
    -- Called SIP/14
  == Using SIP RTP CoS mark 5
    -- Called SIP/11
  == Using SIP RTP CoS mark 5
    -- Called SIP/15
  == Using SIP RTP CoS mark 5
    -- Called SIP/12
  == Using SIP RTP CoS mark 5
    -- Called SIP/16
    -- SIP/16-00000225 connected line has changed. Saving it until answer for SIP/ovh-in-0000021f
    -- SIP/12-00000224 connected line has changed. Saving it until answer for SIP/ovh-in-0000021f
    -- SIP/15-00000223 connected line has changed. Saving it until answer for SIP/ovh-in-0000021f
    -- SIP/11-00000222 connected line has changed. Saving it until answer for SIP/ovh-in-0000021f
    -- SIP/14-00000221 connected line has changed. Saving it until answer for SIP/ovh-in-0000021f
    -- SIP/17-00000220 connected line has changed. Saving it until answer for SIP/ovh-in-0000021f
    -- SIP/11-00000222 is ringing
    -- SIP/16-00000225 is ringing
    -- SIP/14-00000221 is ringing
    -- SIP/12-00000224 is ringing
    -- SIP/15-00000223 is ringing
    -- SIP/17-00000220 is ringing
    -- SIP/17-00000220 connected line has changed. Saving it until answer for SIP/ovh-in-0000021f
    -- SIP/17-00000220 answered SIP/ovh-in-0000021f
       > 0x7f7bd40a7b00 -- Probation passed - setting RTP source address to 172.16.1.105:5020
[Mar 13 14:39:57] NOTICE[18377]: chan_sip.c:27783 handle_request_subscribe: Received SIP subscribe for peer without mailbox: 50
[Mar 13 14:42:58] NOTICE[18377]: chan_sip.c:27783 handle_request_subscribe: Received SIP subscribe for peer without mailbox: 50
  == Using SIP RTP CoS mark 5
    -- Executing [00603357850@users:1] Dial("SIP/34-00000226", "SIP/0603357850@ovh-out,,r") in new stack
  == Using SIP RTP CoS mark 5
    -- Called SIP/0603357850@ovh-out
[Mar 13 14:43:19] WARNING[18377]: chan_sip.c:4175 retrans_pkt: Retransmission timeout reached on transmission 447cc01e731ee18a07abcd212a5612a4@80.12.90.15:5060 for seqno 102 (Critical Request) -- See https://wiki.asterisk.org/wiki/display/AST/SIP+Retransmissions
Packet timed out after 6401ms with no response
[Mar 13 14:43:19] WARNING[18377]: chan_sip.c:4204 retrans_pkt: Hanging up call 447cc01e731ee18a07abcd212a5612a4@80.12.90.15:5060 - no reply to our critical packet (see https://wiki.asterisk.org/wiki/display/AST/SIP+Retransmissions).
  == Everyone is busy/congested at this time (1:0/0/1)
    -- Auto fallthrough, channel 'SIP/34-00000226' status is 'CHANUNAVAIL'