Generic selectors
Exact matches only
Search in title
Search in content

Reply To: ISUP CFN Message

wallis dudhnath

CFN is a confusion message based on ISDN. Generally, CFN is generated as a result of a protocol error. The generated CFN will encourage the node (in your case the MSC) to re-send the message, e.g. IAM.

VBR/ Wallis Dudhnath