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PRETS 300 191 : APR 92
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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PRIVATE TELECOMMUNICATIONS NETWORK (PTN); SIGNALLING AT THE S-REFERENCE POINT - IDENTIFICATION SUPPLEMENTARY SERVICES
23-07-2013
12-01-2013
Specifies the signalling protocol for the support of identification supplementary services at an interface at the S reference point between a Terminal Equipment (TE) and a Private Telecommunications Network (PTN). Applies to user accesses of PTNXs and to TEs that are meant for connection to PTNs.
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