Patents-Review.com
ClassID:

231279 ⎘

H04Q3/625 - CPC Classification

Classification description:

Selecting arrangements; Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges Arrangements in the private branch exchange

Sub-classes:
Recent Application in this class:
#1
20260039980
2026-02-05

System and Method for Dynamically Routing Call Data Between Client Devices and Public Branch Exchange Systems

 #2
20190098131
2019-03-28

Exchange, call facilitation method, and call facilitation program

 #3
20170105056
2017-04-13

BULK TELEPHONY CONTROL SYSTEM SUBSCRIBER DATA MANIPULATION

 #4
20130170636
2013-07-04

Private branch exchange, voice quality adjustment method, and non-transitory computer-readable medium storing voice quality adjusting program

 #5
20120300919
2012-11-29

Telephone exchange system, dial-in incoming call method thereof, and dial-in incoming call program thereof

 #6
20110255679
2011-10-20

Telephone number use optimization for blocks of telephone numbers

 #7
20110090796
2011-04-21

Adaptively maintaining quality of service (QoS) in distributed PBX networks

 #8
20080186958
2008-08-07

Dynamic configuration of VoIP trunks

 #9
20070189468
2007-08-16

Emergency call processing apparatus and method in private switching system

 #10
20070135128
2007-06-14

Method and system for remote network identification by a mobile subscriber unit

 #11
20070127443
2007-06-07

Branch exchange methods and apparatuses for switching telecommunication signals

 #12
20070041546
2007-02-22

Line selection method and line selection system for private branch exchanges

 #13
20070026890
2007-02-01

Private branch exchange

 #14
20060165222
2006-07-27

One number LAN based calendar

 #15
20060072570
2006-04-06

System for and method of exchanging server data in packet unit

 #16
20050044360
2005-02-24

Secure internet-based call accounting service