ADTRAN 1200305L1 system manual Answer Supervision

Section 4, User Interface Guide ATLAS 550 System Manual

ANSWER SUPERVISION

Write security: 3; Read security: 5

Configures answer supervision for the appropriate voice port. Answer supervision (when the far end answers the call) is indicated by using reverse battery polarity. This is valid for an outbound call only. On an FXS interface type we respond to LSAS (Line Side Answer Supervision) signaling on the T1. Our response is to reverse battery polarity on (T-R). Telco must configure their T1 for LSAS if this is not a point-to-point T1.

E&M CONVERSION

Write security: 3; Read security: 5

Configures the selected voice port for E&M signaling conversion. By enabling this option, other selections become available that are E&M trunk specific. This option is sometimes referred to as TANDEM conversion. The following submenu items become visible when E&M CONVERSION is

ENABLED:

E&M SUPERVISION

Write security: 3; Read security: 5

(Available only when E&M CONVERSION is enabled.) Configures the E&M trunk as either Immediate start or Wink start. This configuration is for the Rx and Tx direction. When DNIS delay is set, this option only configures the Rx direction.

DIAL TONE

Write security: 3; Read security: 5

(Available only when E&M CONVERSION is enabled.) Configures the ATLAS 550 to generate Dial Tone out the selected FXS port in response to the 2W going off hook (outgoing call). Generally, dial tone is provided by the Class 5 switch delivering the T1, but in some instances, the switch cannot provide dial tone.

RINGBACK

Write security: 3; Read security: 5

(Available only when E&M CONVERSION is enabled.) Configures the ATLAS 550 to generate ringback tone to the far end while the selected FXS port is ringing. Generally, ringback is provided by the Class 5 switch delivering the T1, but in some instances, the switch cannot provide ringback tones.

240 © 2002 ADTRAN, Inc. 61200305L1-1F