When dialing out via vISDN, I have a 40% chance of getting an indication of
"Everyone is busy/congested at this time (1:0/0/1)". There are no other
calls going on.
Debug visdn q931 shows the following:
phone*CLI> debug visdn q931
vISDN q.931 debugging enabled
-- Executing Dial("SIP/12-025b", "VISDN/visdn0/1503||RT") in new stack
q931 visdn0:TEI[0]: DLC autorelease timer stopped
q931 visdn0:CALL[11.O]: call.c:311 GET (1 => 2)
q931 visdn0:CALL[11.O]: chan_visdn.c:793 GET (2 => 3)
q931 visdn0:CALL[11.O]: chan_visdn.c:328 GET (3 => 4)
q931 visdn0:CALL[11.O]: chan_visdn.c:915 PUT (4 => 3)
-- Called visdn0/1503
q931 visdn0:CALL[11.O]: SETUP-REQ
q931 visdn0:CALL[11.O]: Sending message:
q931 -> message type: SETUP (5)
q931 -> VL IE 0 ===> 4 (Bearer Capability) -- length 3
q931 -> Coding Standard = CCITT (0)
q931 -> Information Transfer Capability = Speech (0)
q931 -> Transfer mode = Circuit (0)
q931 -> Information Transfer Rate = 64 kbps (16)
q931 -> User information layer 1 protocol = g.711 a-law (3)
q931 -> VL IE 1 ===> 108 (Calling Party Number) -- length 12
q931 -> Type of number = Unknown (0)
q931 -> Numbering plan = Unknown (0)
q931 -> Presentation indicator = Presentation allowed (0)
q931 -> Screening indicator = User provided, not screened (0)
q931 -> Number = xxxxxxxxx
q931 -> VL IE 2 ===> 112 (Called Party Number) -- length 5
q931 -> Type of number = Unknown (0)
q931 -> Numbering plan = Unknown (0)
q931 -> Number = 1503
q931 -> VL IE 3 ===> 125 (High Layer Compatibility) -- length 2
q931 -> Coding standard = CCITT (0)
q931 -> Characteristics identification = Telephony (1)
q931 -> SO IE 4 ===> 161 (Sending Complete)
q931
q931 visdn0:TEI[0]: DLC is disconnected, requesting connection
q931 visdn0:TEI[0]: DLC is awaiting connection: message queued
q931 visdn0:CALL[11.O]: call.c:393 GET (3 => 4)
q931 visdn0:CALL[11.O]: call.c:1901 Timer T303 started
q931 visdn0:CALL[11.O]: U0_NULL_STATE ==to==> U1_CALL_INITIATED
q931 visdn0:CALL[11.O]: chan_visdn.c:2201 PUT (4 => 3)
q931 visdn0:TEI[0]: DL-RELEASE-INDICATION
q931 visdn0:CALL[11.O]: call.c:432 Timer T301 stopped
q931 visdn0:CALL[11.O]: call.c:433 Timer T302 stopped
q931 visdn0:CALL[11.O]: call.c:405 PUT (3 => 2)
q931 visdn0:CALL[11.O]: call.c:434 Timer T303 stopped
q931 visdn0:CALL[11.O]: call.c:435 Timer T304 stopped
q931 visdn0:CALL[11.O]: call.c:436 Timer T305 stopped
q931 visdn0:CALL[11.O]: call.c:437 Timer T306 stopped
q931 visdn0:CALL[11.O]: call.c:438 Timer T308 stopped
q931 visdn0:CALL[11.O]: call.c:439 Timer T309 stopped
q931 visdn0:CALL[11.O]: call.c:440 Timer T310 stopped
q931 visdn0:CALL[11.O]: call.c:441 Timer T312 stopped
q931 visdn0:CALL[11.O]: call.c:442 Timer T313 stopped
q931 visdn0:CALL[11.O]: call.c:443 Timer T314 stopped
q931 visdn0:CALL[11.O]: call.c:444 Timer T316 stopped
q931 visdn0:CALL[11.O]: call.c:445 Timer T318 stopped
q931 visdn0:CALL[11.O]: call.c:446 Timer T319 stopped
q931 visdn0:CALL[11.O]: call.c:447 Timer T320 stopped
q931 visdn0:CALL[11.O]: call.c:448 Timer T321 stopped
q931 visdn0:CALL[11.O]: call.c:449 Timer T322 stopped
q931 visdn0:CALL[11.O]: U1_CALL_INITIATED ==to==> U0_NULL_STATE
q931 visdn0:CALL[11.O]: call.c:373 PUT (2 => 1)
q931 visdn0:CALL[11.O]: chan_visdn.c:362 GET (1 => 2)
q931 Releasing message
q931 visdn0:CALL[11.O]: chan_visdn.c:4158 PUT (2 => 1)
q931 visdn0:CALL[11.O]: chan_visdn.c:1816 PUT (1 => 0)
q931 visdn0:CALL[11.O]: Freeing call
q931 visdn0:TEI[0]: DLC autorelease timer started
== Everyone is busy/congested at this time (1:0/0/1)
Thanks in advance,
Horst
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