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Explain the SIP to ISUP Mapping for 180, 181, 182 and 183 messages? akumar_8181 04-June-2008 04:47:58 PMComments 1 Alerting 180 Ringing 2 Progress 183 Callprogress 3 In-band information 183 Call progress 4 Call forward; line busy 181 Call is being forwarded 5 Call forward; no reply 181 Call is being forwarded 6 Call forward; unconditional 181 Call is being forwarded 7.182 Queued ACM (BCI = no indication) -(no event code present) 183 Call progress Posted by sagitraz 180 Ringing ACM (BCI = subscriber free) 181 Call is being forwarded Early ACM and CPG, event=6 182 Queued ACM (BCI = no indication) 183 Session progress message ACM (BCI = no indication) Posted by alaxander |
Posted: 05-June-2008 07:31:09 PM By: alaxander 180 Ringing ACM (BCI = subscriber free) 181 Call is being forwarded Early ACM and CPG, event=6 182 Queued ACM (BCI = no indication) 183 Session progress message ACM (BCI = no indication) | |
Posted: 29-June-2008 04:56:31 AM By: sagitraz 1 Alerting 180 Ringing 2 Progress 183 Callprogress 3 In-band information 183 Call progress 4 Call forward; line busy 181 Call is being forwarded 5 Call forward; no reply 181 Call is being forwarded 6 Call forward; unconditional 181 Call is being forwarded 7.182 Queued ACM (BCI = no indication) -(no event code present) 183 Call progress |