When the user trying to call an extension on PBX some times the call failed and another is successful.
in the ingress gateway the logs show this errors:
somebody can guide me how to solve this problem?
022733: DATE: %VOICE_IEC-3-GW: C SCRIPTS: Internal Error (Digit collect failed): IEC=220.127.116.11.28.1 on callID 1152699 GUID=D31C1082BB5611E2AC0E90E723E64D6B
023142: DATE: %VOICE_IEC-3-GW: CCAPI: Internal Error (Resource busy): IEC=18.104.22.168.25.114 on callID 1305224 GUID=804355CA6C5DA119AA5F69020A0F643B
VOICE_IEC-3-GW: SIP: Internal Error (INVITE, invalid IE content): IEC=22.214.171.124.35.2 on callID -1
VOICE_IEC-3-GW: SIP: Internal Error (200 wait timeout): IEC=126.96.36.199.68.0 on callID 926621 GUID=99E682D4B29311E2A9A990E723E64D6B