Is there any way to get the actual SIP error code from the controller.. UCC commands seem to aggregate them to 4xx or 5xx but this doesn't help at all with chracterising actual failure reasons.
For example:
#show ucc call-info cdrs | i xx
CDRS:
-----
CDR ID UCC Call ID Client IP Client MAC Client Name ALG Dir Called to Dur(sec) Orig Time Status Reason Call Type UCC Score Quality Client Health MOS
------ ----------- --------- ---------- ----------- --- --- --------- -------- --------- ------ ------ --------- --------- ------- ------------- ---
4820 4264 10.12.41.11 00:90:7a:11:cc:87 7144 SIP OG 7140 66 May 13 14:22:15 FAIL 4xx Error NA NA NA 31 NA
4676 4137 10.12.41.24 00:90:7a:11:c9:cd 7242 SIP OG 7063 34 May 13 09:02:42 FAIL 4xx Error NA NA NA 27 NA
4674 4136 10.12.41.24 00:90:7a:11:c9:cd 7242 SIP OG 7063 32 May 13 09:01:35 FAIL 4xx Error NA NA NA 100 NA
4673 4135 10.12.41.10 00:90:7a:11:cd:6b 7081 SIP OG 7070 28 May 13 08:57:29 FAIL 4xx Error NA NA NA 100 NA
4672 4134 10.12.41.10 00:90:7a:11:cd:6b 7081 SIP OG 7070 14 May 13 08:57:11 FAIL 4xx Error NA NA NA 100 NA
4670 4132 10.12.41.26 00:90:7a:11:c8:bb 7244 SIP OG 7243 0 May 13 08:48:43 FAIL 5xx Error NA NA NA 69 NA
4669 4132 10.12.41.26 00:90:7a:11:c8:bb 7244 SIP OG 7243 0 May 13 08:48:43 FAIL 5xx Error NA NA NA 69 NA
4662 4129 10.12.41.19 00:90:7a:11:c9:63 7141 SIP OG 97*21 1 May 13 08:38:50 FAIL 5xx Error NA NA NA 43 NA