Maintenance work: Telephony – CallManager & Jabber Client

On 27.08.2025 between 06.00 p.m. and 09.00 p.m.

2025/08/19

A security update for Cisco CallManager will be installed during the specified period. From 06:00 p.m., Jabber chat, presence display and login to the Jabber client will be unavailable for approximately 30–60 minutes.