Page 122 of 302 Nortel Networks IP Softphone 2050553-3001-368 Standard 4.00 February 2005• Procedure 28, “Installing the IP Softphone 2050 on your PC (Newinstallation)” on page 158.• Procedure 29, “Upgrading the IP Softphone 2050 on your PC (forWindows 2000 and Windows XP users only)” on page 158.• Procedure 30, “Upgrading the IP Softphone 2050 on your PC (forWindows 98 platforms)” on page 159.• Procedure 31, “Changing the TN of an existing IP Softphone 2050” onpage 181.• Procedure 32, “Removing an IP Softphone 2050 from service” onpage 181.DescriptionThe IP Softphone 2050 is a Windows-based application that provides voiceservices for Personal Computers. Designed to work with IP-based phonesystems, the IP Softphone 2050 provides Voice Over IP (VoIP) services usinga telephony server and an enterprise Local Area Network (LAN).The IP Softphone 2050 operates on PCs running Windows 98,Windows 98 SE, Windows 2000 Professional, Windows XP Pro, andWindows XP Home.The IP Softphone 2050 supports the following:• traditional telephony features such as Call Origination, Call Termination,Conference, Transfer, Hold, and Message Waiting Indication• dedicated Hold, Release, Answer, Volume, Mute, Navigation andMessage Waiting Indication keys• macro functions for programming lengthy dialing patterns• powerful directory capabilities: locally stored on the PC or linked toexternal directories such as LDAP, Microsoft Outlook, and ACT! contactmanagement software• network access and DHCP configurable services (automaticconfiguration of Call Server location using DHCP)
