标题: ISO/IEC 21410:2001 Signalling Interworking Between QSIG and H.323 - Call Transfe [打印本页] 作者: gmt88 时间: 2013-7-12 00:15:46 标题: ISO/IEC 21410:2001 Signalling Interworking Between QSIG and H.323 - Call Transfe
ISO/IEC 21410:2001(E)
First Edition
2001-08-15
Information Technology -
Telecommunications and Information Exchange Between Systems -
Corporate Telecommunication Networks -
Signalling Interworking Between QSIG and H.323 -
Call Transfer Supplementary Services