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IMG 2020

Explicit Call Transfer (ECT) is a technique for EURO ISDN where if there are two calls active on the IMG 2020 and they are bridged or looped together the resources on the IMG 2020 are being used inefficiently. With this feature the IMG 2020 has the ability to send specific facility messages back to the Stored Program Control Switch (SPCS) on the PBX or TDM switch and tell the PBX/TDM switch to connect these two calls together so they are no longer active on the IMG 2020. This would effectively open up two B-Channels that were initially being utilized. Explicit Call Transfer supports a portion of specification Q0952_7 (Issue,June 97). See links under Related Topics below for more information on what is supported and how to configure.

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