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ECMA 191 : 2ED 97現(xiàn)行
PRIVATE INTEGRATED SERVICES NETWORK (PISN) - SPECIFICATION, FUNCTIONAL MODEL AND INFORMATION FLOWS - CALL OFFER SUPPLEMENTARY SERVICE (COSD)
出版：European Computer Manufacturers Association
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基本信息
標(biāo)準(zhǔn)編號(hào)： ECMA 191 : 2ED 97
標(biāo)準(zhǔn)類(lèi)別：Standard
出版單位：European Computer Manufacturers Association
標(biāo)準(zhǔn)頁(yè)數(shù)：0
標(biāo)準(zhǔn)簡(jiǎn)介
Defines the Call Offer supplementary service (COSS) applying to various basic services supported by Private Integrated Services Networks (PISNs). This is a supplementary service enabling a call to be offered to a busy called user on request from the calling user (or on their behalf), and to wait for the acceptance of the call by the called user.
等同采用的國(guó)際標(biāo)準(zhǔn)
ETS 300 361 : 20001 - Corresponds
ISO/IEC 14841 : 1996(R2006) - Corresponds
