Untitled Note

Hi Team, Issue/Problem Reported: There's a 4-second delay on average, inbound only. All of the user extensions are affected, the cx claims he has been facing this issue for months already. Actual Behavior: There's a 4-second delay on average for all inbound calls. Investigation Upon checking on our end we detected that the Ingress Carrier of these 2 examples is Lumen / Level 3 Asking for your assistance to investigate the call sample provided below SAMPLE 1 Calling: (202) 230-9303 Called: (703) 740-4625 START TIME: May 25, 2023 @ 16:44:41.000 UTC Total Duration: 234.1 Sonus Ingress: SIP_LEV3IADSBC01_DID Ingress CALLID: 88494032_65883241@8.13.229.241 Ingress_To: ;tag=gK00aae73b Ingress_From: ;tag=gK06177d0b SAMPLE 2 Calling: (619) 804-9484 Called: (703) 740-4078 START TIME: May 25, 2023 @ 19:16:21.000 UTC Total duration: 396.1 Sonus Ingress: SIP_LEV3CHISBC01_DID Ingress CALLID: 663709_124236549@8.13.233.17 Ingress_To: ;tag=gK00af4b45 Ingress_From: ;tag=gK0a009a10 Thanks in advance!