Avaya BCM 4.0 Networking Guide de configuration télécharger pdf (Page 56)

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56 Chapter 2 System telephony networking overview

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Figure 9 shows how TAT reduces the line requirements. The solid line shows Telephone A calling

Telephone B and being transferred over an additional PRI line to Telephone C. With TAT active,

the same call is transferred to Telephone C over the same PRI line.

Figure 9 Call paths with and without TAT

Networking with ETSI QSIG

(ETSI QSIG applies only to international systems equipped with a DTM or BRIM. It is not

supported on VoIP)

ETSI QSIG is the European standard signaling protocol for multi-vendor peer-to-peer

communications between PBX systems and/or central offices.

Other information in this section: “ETSI Euro network services” on page 57.

Figure 10 illustrates an ETSI QSIG network. Note that this is exactly the same setup as that shown

in the MCDN section for North America. The hardware programming for ETSI QSIG is described

in Table 6. All other configurations are the same as those shown in the MCDN section for North

America.

BCM

Telephone A Telephone BTelephone C

Forwarded call (using TAT)

Forwarded call (no TAT)

BCM

1 2 ... 51 52 53 54 55 56 57 58 59 60 61 ... 757 758

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Avaya BCM 4.0 Networking Guide de configuration Page 56

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