Review: BlackBerry blossoms in hotspots
The 8820 boasts Wi-Fi and GPS, but its VoIP capability is not geared towards corporate use
IT Week, 21 Sep 2007
Further reading
BlackBerry 8820 lacks SIP support
RIM's new BlackBerry 8820 has Wi-Fi but lacks the SIP protocol for linking to a corporate IP PBX 24 Jul 2007
RIM lines up 3G BlackBerry
BlackBerry goes bold with high-def screen and HSDPA connectivity 12 May 2008
BlackBerry 8820 lacks SIP support
RIM's new BlackBerry 8820 has Wi-Fi but lacks the SIP protocol for linking to a corporate IP PBX 24 Jul 2007
RIM lines up 3G BlackBerry
BlackBerry goes bold with high-def screen and HSDPA connectivity 12 May 2008
Related blogs
BlackBerry 8820 lacks SIP support
RIM's new BlackBerry 8820 has Wi-Fi but lacks the SIP protocol for linking to a corporate IP PBX 24 Jul 2007
RIM lines up 3G BlackBerry
BlackBerry goes bold with high-def screen and HSDPA connectivity 12 May 2008
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