Type: MAJOR 

Object ID1.3.6.1.4.1.2879.2.10.1.3.1.0.5

Description

This trap indicates that at least one SIP registrant has a source port number that changed over two or more consecutive REGISTER refreshes, possibly indicating that the registrant was unreachable from the SBC for a time.

The NAT between the SIP endpoint (IAD) and the SBC is closing its pinhole before the IAD sends a REGISTER refresh to the SBC.

Repetition

None

Objects

  • sonusAlarmNodeName
  • sonusAlarmPodName
  • sonusAlarmContainerName
  • sonusAlarmNsUuid
  • sonusAlarmCnfUuid
  • sonusAlarmCnfcUuid

Action

Check Registration refresh timing between IAD and SBC together with the NAT pinhole timing.

Impact

At least one SIP Registrant has a port number that keeps changing.

Clearing

Manual