3GPP TS 03.91 Explicit Call Transfer Service

TS 03.91Rel-7Services2GIntermediate

Defines Explicit Call Transfer (ECT) supplementary service for GSM networks, enabling subscribers to connect two active calls and disconnect themselves.

Protocol Definition

Document Type

Technical Specification

Network Layer

CoreNetwork

Subcategory

Supplementary Services

Business Impact

Medium

Key Technologies

GSMISDNSS7

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View the complete text of 3GPP TS 03.91 with table of contents and cross-references.