ADTRAN MP-118 Manuel d'utilisateur télécharger pdf (Page 28)

MP-11x & Microsoft Office Communications Server 2007

Quick Installation Guide 28 Document #: LTRT-26301

3.3.2.5 Defining Answer Supervision

When there is a call from Office Communications Server 2007 to the gateway, the gateway

behavior depends on whether or not the Answer Supervision feature is enabled. If Answer

Supervision is enabled, the gateway detects (by speech detection) when the called party answers

the call (i.e., if the called party says “hello” or any other word), and only then sends a 200 OK +

SDP SIP message.

When implementing the Ring Additional Number feature (and the additional number is a

PBX/PSTN phone) of Office Communications Server 2007, Answer Supervision must be enabled.

This ensures that the gateway sends the 200 OK + SDP only if the PBX/PSTN phone answers

the call and starts talking.

¾ To define the Answer Supervision, take these 3 steps:

1. Open the ‘FXO Setting’ screen (Protocol Management menu > Advanced Applications >

FXO Settings).

Figure 3-15: FXO Settings Screen

2. From the ‘Answer Supervision’ drop-down list, select ‘Yes’.

3. Click the Submit button to save your changes.

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ADTRAN MP-118 Manuel d'utilisateur Page 28