HP iPAQ 512 HP iPAQ 500 series Voice Messenger - Voice over IP (VoIP) Applicat - Page 5

 Adaptive Jitter Buffer Management  Voice Activity Detection  Silence Suppression  Comfort Noise Generation  Acoustic Echo Cancellation (3rd party sourced, not provided by Microsoft) 5 Hardware and Firmware This category is related to WLAN and other hardware/firmware components in the handset that are critical to the performance and usability of VoIP. Supported:  802.11b/g  802.11i (PEAPv0 and EAP-TLS with certificates)  Encryption suites: WEP64, WEP128, TKIP and AES CCMP Not Supported:  Full 802.1X Supplicant - Microsoft provides the limited set of EAP authentication noted above. Additional EAP methods may be required by some customers. *A 3rd party supplicant is currently under consideration for a future release  Fast Roaming - A basic roaming agent has been implemented, and specific roaming performance results will be published when they become available. 802.11r "Fast Roaming" is currently unsupported. *Fast roaming enhancements are under consideration for a future release  Cisco Compatible Extensions (CCX) - The WLAN module firmware and driver would have to be updated to support the CCX v4 ASD feature set. *A CCX v4 implementation is currently under consideration for a future release  Certain features of 802.11e [WMM] are not currently supported. o Automatic Power Save Delivery (APSD) and Unscheduled Automatic Power Save Delivery (U-APSD) power saving mechanisms are not currently supported. o Even though packet tagging [802.1p and Diffserv] is inherently supported by Windows Mobile 6, there may not be any benefit by tagging voice packets with a higher priority.