[cisco-voip] Outbound calls just Ring

[Scot Gossen]

Is it always the same number called? Or a different (random) number? We had a somewhat similar situation but the calls were random (at least they seemed random) across 8 PRIs. One individual PRI had an issue on the telco side. The Route Group was set to circular, so one out of every 8 outbound calls would have an issue because it hit the bad PRI. The system was large enough that no one recognized it was every 8th call. We "lucked" into finding it by setting the RG to top down. Once we did that, the call volume wasn't large enough to spill into that PRI so all calls worked. We then started testing them individually.
   
  Also, I personally would set the calling type to National, but I don't believe that has anything to do with your issue.
   
  -Go0se
   
  
Lemon <lemon at lemon.za.net> wrote:
  Hi,

Have CCM 6.0 running with 6 PRI's split over two AS5350XM's. When
dialing out we sometimes get that it just rings and rings and rings.
If you phone the same number from a mobile phone you get an immediate
response. Below some debug output:




Feb 28 15:39:34.824: ISDN Se3/1:15 Q931: TX -> SETUP pd = 8 callref = 0x1C05
Sending Complete
Bearer Capability i = 0x8090A3
Standard = CCITT
Transfer Capability = Speech
Transfer Mode = Circuit
Transfer Rate = 64 kbit/s
Channel ID i = 0xA98392
Exclusive, Channel 18
Progress Ind i = 0x8183 - Origination address is non-ISDN
Calling Party Number i = 0x0181, '8021'
Plan:ISDN, Type:Unknown
Called Party Number i = 0x80, '1850602602'
Plan:Unknown, Type:Unknown
Feb 28 15:39:34.972: ISDN Se3/1:15 Q931: RX <- CALL_PROC pd = 8
callref = 0x9C05
Channel ID i = 0xA98392
Exclusive, Channel 18
Feb 28 15:39:35.068: ISDN Se3/1:15 Q931: RX <- ALERTING pd = 8
callref = 0x9C05
Progress Ind i = 0x8482 - Destination address is non-ISDN
Progress Ind i = 0x8488 - In-band info or appropriate now available

Thnx
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