[cisco-voip] ISDN data calls over H.323?

Vincent De Keyzer vincent at dekeyzer.net
Mon May 30 08:47:40 EDT 2005


Hello,

 

is it possible to make ISDN data calls (no modem calls over ISDN, but true
data calls ("Unrestricted" bearer-cap)) over a H.323 dial peer?

 

I have tried and it does not work (call is connected but fails during H.245
negotiation).

 

HW is Cisco 2821, SW is "C2800NM-SPSERVICESK9-M, Version 12.3(11)XL1".

 

Thanks in advance,

 

Vincent

 

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