ClassID:

227708

H04M3/545 - CPC Classification

Classification description:

Automatic or semi-automatic exchanges; Systems providing special services or facilities to subscribers; Arrangements for diverting calls for one subscriber to another predetermined subscriber with loop avoiding arrangements

Recent Application in this class:
#1
20210044943
2021-02-11

Call routing using call forwarding options in telephony networks

#2
20190007806
2019-01-03

Call routing using call forwarding options in telephony networks

#3
20170006461
2017-01-05

Avoiding formation of a call loop resulting from handling of a mobile terminated call in parallel with a location update in a wireless communication network

#4
20160119480
2016-04-28

Method for redirecting a call to at least one message deposit server

#5
20150045039
2015-02-12

Avoiding formation of a call loop resulting from handling of a mobile terminated call in parallel with a location update in a wireless communication network

#6
20150029895
2015-01-29

Prevention of call loops for wholesale VoIP traffic termination

#7
20140160993
2014-06-12

Loop condition prevention at internetwork interface boundary

#8
20110311036
2011-12-22

Call routing in telephone switch based on duplicate leg detection

#9
20110228766
2011-09-22

Loop condition prevention at internetwork interface boundary

#10
20110045805
2011-02-24

Terminated call control for roaming cellular telephony

#11
20100054438
2010-03-04

Network element routing service

#12
20080080696
2008-04-03

Utilizing multiple, sequential trigger detection points to enable intelligent network service call management

#13
20080069332
2008-03-20

Network element routing service

#14
20080056478
2008-03-06

Method and apparatus of detection of inter-carrier looping

#15
20080037533
2008-02-14

Methods, systems, and computer program products for associating independent legs of a call in a telecommunications network

#16
20070197213
2007-08-23

Optimal voicemail deposit for roaming cellular telephony

#17
20060251222
2006-11-09

Detecting a voice mail system answering a call

#18
20060067359
2006-03-30

Detection of looping communication channels

#19
20050276408
2005-12-15

System and method for detecting SS7 messaging inefficiency

#20
20050250493
2005-11-10

Terminated call control for roaming cellular telephony

#21
20050111649
2005-05-26

Prevention of call forwarding loops in communication networks