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INTER TEL INC
US27 patents
Top patents by PatentIndex Score
USD482342SNov 18, 2003
Telephone
INTER TEL INC36 citations91
USD479517SSep 9, 2003
Telephone
INTER TEL INC37 citations91
USD470830SFeb 25, 2003
Telephone
INTER TEL INC18 citations91
US6829249B1Dec 7, 2004
Voice-over internet protocol
INTER TEL INC21 citations86
US7778399B2Aug 17, 2010
System and method for real-time call log status
INTER TEL INC31 citations85
US6999431B2Feb 14, 2006
Voice over internet protocol
INTER TEL INC31 citations84
US6798874B1Sep 28, 2004
System and method for enabling custom telephone features on a PBX system
INTER TEL INC39 citations84
US7031443B2Apr 18, 2006
System and method for remote access to a telephone
INTER TEL INC18 citations83
US7995721B2Aug 9, 2011
System and method for remote access to a telephone
INTER TEL INC11 citations80
US7526079B2Apr 28, 2009
System and method for data attachment in live call transfers
INTER TEL INC20 citations80
US7398215B2Jul 8, 2008
Prompt language translation for a telecommunications system
INTER TEL INC32 citations80
USD569865SMay 27, 2008
Voice over internet protocol device
INTER TEL INC10 citations79
USD529892SOct 10, 2006
Hybrid voice communication system
INTER TEL INC8 citations72
USD499724SDec 14, 2004
Telephone handset
INTER TEL INC7 citations72
USD476969SJul 8, 2003
Telephone
INTER TEL INC7 citations72
USD541264SApr 24, 2007
PBX communication system
INTER TEL INC14 citations70
USD489049SApr 27, 2004
Telephone
INTER TEL INC4 citations61
US7133465B2Nov 7, 2006
Modified Tomlinson-Harashima precoding method circuit for infinite impulse response (IIR) channels
INTER TEL INC6 citations55
US7818295B2Oct 19, 2010
Methods for handling communication requests received for former users of a communication system
INTER TEL INC6 citations54
US7600044B2Oct 6, 2009
System and method for networked endpoint registration
INTER TEL INC5 citations54
US6944215B2Sep 13, 2005
Method and apparatus for transmitting data from an analogue modem to a digital modem through an analogue channel
INTER TEL INC0 citations51
USD483750SDec 16, 2003
Telephone dialing accessory
INTER TEL INC0 citations51
USD483749SDec 16, 2003
Telephone dialing accessory
INTER TEL INC1 citations51
US6754187B1Jun 22, 2004
Performance enhancement system for digital PBX
INTER TEL INC3 citations45
US6205206B1Mar 20, 2001
Integrating a voice messaging function card over a public branch exchange (PBX) backplane
INTER TEL INC3 citations45
US7600006B2Oct 6, 2009
Peer-to-peer distribution of firmware
INTER TEL INC1 citations40
US6760427B2Jul 6, 2004
Computer telephony (CT) network serving multiple telephone switches
INTER TEL INC1 citations37