Instant messaging: Yahoo!, MSN, and AOL instant messaging, and text messaging.
For Google GTalk users, there is a Java-based free client available, called MGtalk.
The HTC P4350 can connect to Microsoft Office Communication Server using the Office Communicator 2007 Mobile client which allows chat with users on corporate network and access to a corporate address book.
The VoIP client Skype works well on WiFi, but it will inhibit performance of the device. WiFi drains the battery quickly.
It has Outlook Mobile as email client, which works well with most of the email service providers and supports standard protocols like POP, IMAP, SMTP. The push-mail functionality works with Exchange 2003 SP2, Exchange 2007 and above email servers using the ActiveSync protocol.
The P4350 is equipped with a slide out qwerty keyboard.