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Can't call international number via ISDN BRI
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I have my 2 port ISDN BRI VIC connect to telco and local/national call
are all working, but international number and emergency number 000 is
not working. You will hear "You number is incorrect etc". But I do be
able to call that number via analog line or mobile.

I have adjusted the TON to subscriber/international etc and also NPI to
ISDN/Unkown etc. Still doesn't work, I have also adjusted the bearer
capacity, still no luck. As we can see the Q931 debug shown below, it
indicated that the disconnect cause is "Cause i = 0x8281 -
Unallocated/unassigned number". Are there any other possible cause for
this issue other than it's telco's fault? (0011 is the IDD access
code, I have also tried to remove that as well, still not working).

Bearer Capability i = 0x8090A3
Standard = CCITT
Transfer Capability = Speech
Transfer Mode = Circuit
Transfer Rate = 64 kbit/s
Channel ID i = 0x89
Progress Ind i = 0x8183 - Origination address is non-ISDN
Display i = 'Shubo'
Calling Party Number i = 0x4180, '88536108'
Plan:ISDN, Type:Subscriber(local)
Called Party Number i = 0x91, '00116445765777'
Plan:ISDN, Type:International
002688: *Feb 9 15:14:24.342 PCTime: ISDN BR0/1/0 Q931: RX <- STATUS pd
= 8 cal lref
= 0xA7
Cause i = 0x82E328 - Information element not implemented
Call State i = 0x01
002689: *Feb 9 15:14:24.486 PCTime: ISDN BR0/1/0 Q931: RX <- CALL_PROC
pd = 8
callref = 0xA7
Channel ID i = 0x89
002690: *Feb 9 15:14:24.522 PCTime: ISDN BR0/1/0 Q931: RX <-
callref = 0xA7
Cause i = 0x8281 - Unallocated/unassigned number
Progress Ind i = 0x8288 - In-band info or appropriate now

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