Planned official release schedule and content. Release PLAT2026.1 HF1 is version 4.59.1:
Timing:
| Region | Start Date & Time | End Date & Time |
| APAC | Friday 13-Feb-2026, 12:00 pm EST | Friday 13-Feb-2026, 5:30 pm EST |
| EMEA | Saturday 14-Feb-2026, 9:30 pm EST | Sunday 15-Feb-2026, 02:00 am EST |
| NAMR | Sunday 15-Feb-2026, 01:00 am EST | Sunday 15-Feb-2026, 06:00 am EST |
CS-234899
Issue Summary
There were instances recent calls entries displayed the end time of the call rather than the start time.
Resolution
This hotfix will correct this issue and use the call start time. However, it will not change previous entries.
CS-235094
Issue Summary
There were instances of forwarded calls not completing.
Resolution
As part of this hotfix, configuration changes will be made to treatment of the SIP diversion headers. This will correct the issue.
CS-235098
Issue Summary
There were instances calls from the UK were sometimes not hearing Ringback Tone (RBT).
Resolution
The issue was found to be on calls using one particular carrier in the UK. This hotfix will correct this issue.
CS-235098
Issue Summary
There were instances calls from the UK were sometimes not hearing Ringback Tone (RBT).
Resolution
The issue was found to be on calls using one particular carrier in the UK. This hotfix will correct this issue.
Version History
| Date | Description |
|---|---|
| 2/6/2026 | Created |
