https://learn.microsoft.com/en-us/dotnet/api/system.net.peertopeer.collaboration.contactmanager.presencechanged?view=netframework-4.8.1
ContactManager.PresenceChanged Event (System.Net.PeerToPeer.Collaboration) | Microsoft Learn
Raised whenever the presence status of a PeerContact in the ContactManager has changed.
event systempeertopeercollaborationmicrosoftlearn
https://www.zoho.com/blog/contactmanager/google-apps-integration.html
Zoho ContactManager teams up with Google Apps - Zoho Blog
Dec 5, 2022 - Zoho ContactManager teams up with Google Apps - Zoho Blog
with googlezohoteamsappsblog
https://www.mediawiki.org/wiki/Extension:ContactManager/cs
Extension:ContactManager - MediaWiki
extensionmediawiki
https://doc.sitecore.com/xp/en/developers/93/sitecore-experience-platform/contactmanager-reference.html
ContactManager reference | Sitecore Documentation
Overview of ContactManager with example.
referencesitecoredocumentation
https://bugzilla.mozilla.org/show_bug.cgi?id=863665
863665 - Stop converting dates to strings in ContactManager
RESOLVED (reuben.morais) in Core - DOM: Device Interfaces. Last updated 2013-05-03.
stopconvertingdatesstrings