Patents found using "iPhone" as search query
I didn't take the time to click on every single link, but there are many companies listed as assignees here, including Microsoft. Note: these seem to pop up because "iPhone" is mentioned under "description of related art".
PAT. NO. Title
1 D531,613 Full-Text Telephone
2 7,106,726 Full-Text Internet switch box, system and method for internet telephony
3 7,046,994 Full-Text System and method for associating a contact with a call ID
4 7,035,620 Full-Text Playing of audio via voice calls initiated from visual navigation
5 6,975,712 Full-Text Common visual and functional architecture for presenting and controlling arbitrary telephone line features
6 6,836,765 Full-Text System and method for secure and address verifiable electronic commerce transactions
7 6,778,652 Full-Text Method and apparatus for establishing and facilitating a voice call connection from a client computer to a PSTN extension
8 6,757,363 Full-Text Method and apparatus for operating a telephone as an independent network client
9 6,687,339 Full-Text Controller for use with communications systems for converting a voice message to a text message
10 6,671,272 Full-Text Internet switch box, system and method for internet telephony
11 6,661,878 Full-Text Method and apparatus for establishing a voice call to a PSTN extension for a networked client computer
12 6,628,760 Full-Text Method and apparatus for selecting an internet/PSTN changeover server for a packet based phone call
13 6,542,498 Full-Text Signaling system and method to connect idle internet end stations with application in internet telephony
14 6,463,146 Full-Text Call waiting service in a telecommunications network
15 6,389,124 Full-Text Common visual and functional architecture for presenting and controlling arbitrary telephone line features
16 6,377,570 Full-Text Internet switch box, system and method for internet telephony
17 6,320,875 Full-Text Methods and apparatus for providing improved quality of packet transmission in applications such as internet telephony
18 6,310,941 Full-Text Method and apparatus for facilitating tiered collaboration
19 6,304,637 Full-Text Method and apparatus for establishing and facilitating a direct quality voice call to a telephone extension on behalf of a client computer
20 6,266,539 Full-Text Telephone docking station for personal digital assistant
21 6,233,249 Full-Text Methods and apparatus for providing improved quality of packet transmission in applications such as internet telephony
22 6,226,686 Full-Text Server-group messaging system for interactive applications
23 6,212,192 Full-Text Method and apparatus for synchronizing information browsing among multiple systems
24 6,199,096 Full-Text Method and apparatus for synchronizing information browsing among multiple systems
25 6,144,670 Full-Text Method and apparatus for establishing and facilitating a voice call connection from a client computer to a PSTN extension
26 6,075,796 Full-Text Methods and apparatus for providing improved quality of packet transmission in applications such as internet telephony
27 6,031,836 Full-Text Web-page interface to telephony features
28 6,026,087 Full-Text Method and apparatus for establishing a voice call to a PSTN extension for a networked client computer
29 5,987,102 Full-Text Method and apparatus for bridging a voice call including selective provision of information in non-audio to the caller
30 5,974,446 Full-Text Internet based distance learning system for communicating between server and clients wherein clients communicate with each other or with teacher using different communication techniques via common user interface
31 D411,534 Full-Text Internet telephone
32 5,889,774 Full-Text Method and apparatus for selecting an internet/PSTN changeover server for a packet based phone call
33 D398,298 Full-Text Computer display with an iPhone window