DE1436657U
(enExample )
US7295665B2
(en )
2007-11-13
Method and system for routing a communication through an alternate carrier
US7142652B2
(en )
2006-11-28
Apparatus and method to identify potential work-at-home callers
US5509055A
(en )
1996-04-16
Inbound telecommunications services resources management system
US6697477B2
(en )
2004-02-24
Advanced intelligent signal telephone number routing
US6205210B1
(en )
2001-03-20
Method for improved automatic message accounting in telephony
US7809121B2
(en )
2010-10-05
Identification of calling devices dialing a universal number to access a telecommunications relay service center
US2951908A
(en )
1960-09-06
Telephone system for repertory dialing
CA1066397A
(en )
1979-11-13
Class of call discriminating trunk circuit
US8094649B2
(en )
2012-01-10
Network architecture and billing method of the packet switch data service for the CDMA intelligent network (IN) users
KR100245987B1
(ko )
2000-04-01
이동단말기를 이용한 통화요금 확인방법
Cieslak et al.
1977
No. 4 ESS: Software organization and basic call handling
DE1399095U
(enExample )
Vuckovic
2003
UN Protectorate Region (Kosovo and Metohija: OUN Protectorate)
EP1220565A2
(en )
2002-07-03
A PBX switch for automatically detecting call appearance values for each primary directory number on a basic rate interface
DE1405579U
(enExample )
KR100662933B1
(ko )
2006-12-28
Cdr을 이용한 이동통신 부가 서비스 감시 장치 및 방법
DE1426301U
(enExample )
DE1489338U
(enExample )
DE1483751U
(enExample )
KR100275759B1
(ko )
2000-12-15
사전지정제 서비스를 제공하는 교환기에서 사전지정제가입자의 트래픽 통계방법
DE1667489U
(de )
1953-11-26
Griffeinlage fuer drahtgriffe von kuechensieben.
Kim et al.
2016
Personal Number Service Development on
DE1530989U
(enExample )
JP2002094703A
(ja )
2002-03-29
通話料金補正装置