T38Fax - [T38Fax] Emergency maintenance tonight to fix regression (UPDATE without SDP) – Maintenance details

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MAY4

[T38Fax] Emergency maintenance tonight to fix regression (UPDATE without SDP)

CompletedMay 04, 2022 at 5:00 AM – 7:55 AMUTC

Affects

Inbound Calling Services

Under maintenance from 5:00 AM to 7:55 AM

Inbound Calling

Under maintenance from 5:00 AM to 7:55 AM

Inbound Toll-Free Calling

Under maintenance from 5:00 AM to 7:55 AM

Outbound Calling Services

Under maintenance from 5:00 AM to 7:55 AM

Outbound Calling

Under maintenance from 5:00 AM to 7:55 AM

Outbound Toll-Free Calling

Under maintenance from 5:00 AM to 7:55 AM

  • CompletedMay 04, 2022 at 7:55 AMUTC

    Maintenance has completed successfully.

  • In progressMay 04, 2022 at 5:00 AMUTC

    Maintenance is now in progress

  • PlannedMay 04, 2022 at 5:00 AMUTC

    T38Fax engineers will be applying a vendor hot-fix to restore proper handling of SIP session timers. We have detected a small number of premature session terminations due to a regression in how we respond to an UPDATE without SDP, introduced in a previous maintenance.

    No production impact is expected.