首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
Method and system for providing anonymity in an IP telephony network
摘要
申请公布号
EP1185069(A3)
申请公布日期
2002.07.31
申请号
EP20010306840
申请日期
2001.08.10
申请人
NORTEL NETWORKS LIMITED
发明人
CHRISTIE, SAMUEL H IV
分类号
H04L29/12;H04M3/42;H04M7/00;(IPC1-7):H04M7/00
主分类号
H04L29/12
代理机构
代理人
主权项
地址
您可能感兴趣的专利
POWER UNIT
BIT SYNCHRONIZATION SYSTEM
NEGATIVE PRESSURE TYPE BRAKE BOOSTER AND BRAKE CONTROLLER
BRAKE BOOSTER
BATHTUB
PIERCING DEVICE FOR BELT SHAPED MATERIAL
LASER PROCESSING METHOD AND DEVICE
BELT WINDING DEVICE EQUIPPED WITH FORCE CONTROLLING DEVICE
INFORMATION TERMINAL DEVICE
PRODUCTION OF AMINE FROM OLEFIN BY USING NU-85 ZEOLITE
MULTI-PURPOSE BED AND ROOM TO BE EQUIPPED WITH THE SAME
METHOD AND DEVICE FOR DETERMINING CONCENTRATION OF COMPONENTS
DIMMING CONTROL SYSTEM
ELECTRIC FURNACE STRETCHING METHOD FOR GLASS PREFORM FOR OPTICAL FIBER AND STRETCHING DEVICE THEREFOR
INDUCTION HARDENING COIL
CABLE PROTECTION TUBE AND CABLE LAYING CONDUIT LINE
SERIAL COMMUNICATION SYSTEM
DATA BASE MANAGEMENT SYSTEM AND INQUIRY PROCESSING METHOD
PERSONAL COMPUTER
FIXED STATION FOR INFORMATION COMMUNICATION SYSTEM AND METHOD FOR CONVERTING, DISTRIBUTING AND PROCESSING MESSAGE FOR THE SAME