Nokia N81
- IEEE 802.11b
- IEEE 802.11g
- Liberty Alliance ID-WSF 1.1
- OMA Browsing v. 2.1
- OMA Client Provisioning v. 1.1
- OMA Data Synchronization v. 1.2
- OMA Device Management v. 1.1.2
- OMA Digital Rights Management v. 1.0
- OMA Digital Rights Management v. 2.0
- OMA Domain Name System (DNS) 1.0
- OMA Download v. 1.0
- OMA Web Services Network Identity v. 1.0
- OMA Instant Messaging and Presence Service v. 1.1
- OMA Multimedia Messaging Service v. 1.2
- OMA User Agent Profile v. 1.1
- UPnP
- WS-I Basic Profile 1.0/1.1
