this is the log when getting disconnected ... not sure it helps

-- Executing [h@macro-dial:1] Macro("IAX2/lux-meetme-7789", "hangupcall") in new stack
-- Executing [s@macro-hangupcall:1] ResetCDR("IAX2/lux-meetme-7789", "vw") in new stack
-- Executing [s@macro-hangupcall:2] NoCDR("IAX2/lux-meetme-7789", "") in new stack
-- Executing [s@macro-hangupcall:3] GotoIf("IAX2/lux-meetme-7789", "1?skiprg") in new stack
-- Goto (macro-hangupcall,s,6)
-- Executing [s@macro-hangupcall:6] GotoIf("IAX2/lux-meetme-7789", "1?skipblkvm") in new stack
-- Goto (macro-hangupcall,s,9)
-- Executing [s@macro-hangupcall:9] GotoIf("IAX2/lux-meetme-7789", "1?theend") in new stack
-- Goto (macro-hangupcall,s,11)
-- Executing [s@macro-hangupcall:11] Hangup("IAX2/lux-meetme-7789", "") in new stack
== Spawn extension (macro-hangupcall, s, 11) exited non-zero on 'IAX2/lux-meetme-7789' in macro 'hangupcall'
== Spawn extension (macro-dial, h, 1) exited non-zero on 'IAX2/lux-meetme-7789'
== Spawn extension (macro-dial, s, 7) exited non-zero on 'IAX2/lux-meetme-7789' in macro 'dial'
== Spawn extension (macro-exten-vm, s, 9) exited non-zero on 'IAX2/lux-meetme-7789' in macro 'exten-vm'
== Spawn extension (from-internal, 2104, 1) exited non-zero on 'IAX2/lux-meetme-7789'
-- Hungup 'IAX2/lux-meetme-7789'