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Reload this Page Auto callback issue with Alcatel 4400
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Old 02-15-2010, 12:30 AM
mangi mangi is offline
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Red face Auto callback issue with Alcatel 4400
S8300/G450 - CM 5.2 is tie using ISDN PRI with Alcatel 4400. Autocall back feature is working within avaya but not with Alcatel 4400.
I have configured trunk parameters according to guide CM features description and implementation manual.
ISDN CCBS Supplementary Service on Busy
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Old 02-15-2010, 03:05 AM
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barker barker is offline
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Hi Mangi,

ISDN CCBS is for PUBLIC ETSI trunks that support callback. For private trunks between PBX's you need to ensure you have at least one NCA-TSC configured. What does MST tell you?
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Old 02-16-2010, 05:57 AM
mangi mangi is offline
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I have attached MST log. Can you help me, how to configure NCA-TSC ? any docs or prints.
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File Type: txt MST RAW.txt (19.5 KB, 7 views)
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Old 02-16-2010, 08:14 AM
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Hi Mangi,

The Avaya is sending the Callback Request (CCBS) to the Alcatel who replies with: with:

4001180f ==> REL_COM crv 1_7da3 bad ie content !
D-channel port number: 4001180f
Protocol Discriminator: 08 call control
Call Reference Value: 02 fd a3 Destination 7da3
Q.931 Message Type: 5a Release Complete
=> CAUSE user: 100. Invalid info element contents
| info elem 04: BEARER CAPABILITY

You will have to ask them what they don't like.
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