HP iPAQ 512 HP iPAQ 500 series Voice Messenger - Voice over IP (VoIP) Applicat - Page 2
HP uses the native Microsoft SIP Session Initiation Protocol client in Windows Mobile - features
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1 Overview Mobile IP telephony services can be separated into three broad categories, each with its own specific target markets and technologies used. These categories are illustrated below: Tested use cases for the built-in VoIP client on the HP iPAQ 500 series smartphone cover the enterprise VoIP segment exclusively and expect the enterprise has IT staff that manage their own IP-PBX systems and provision devices for enterprise users. Mobile enterprise VoIP services should be accessible anywhere the VoIP-enabled enterprise wireless local area network (WLAN) provides coverage, typically within company buildings and possibly around corporate campuses. Using the built-in VoIP client for mobile access to the company's IP-PBX from remote locations (homes, hotels, Internet hotspots, etc.) is not a supported capability. HP uses the native Microsoft SIP (Session Initiation Protocol) client in Windows Mobile 6 to access VoIP services, and this SIP client's capabilities and limitations have been further split into the following categories for the purposes of this document: Media and Signaling Protocols Telephony Features