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eDMSAPI Inbound 101

extension 2000. Therefore, all LRMS (E2) messages that extension

2000 sends are sent to DECT Messenger.

•

DECT Messenger checks the intended destination of the message.

If that destination is in the Inbound configuration in the eDMSAPI

module, the message is regarded as a valid call.

• Based on the combination of the Originator (2000, in this example),

and the intended destination (2500, in this example), the message is

transferred to a Group in DECT Messenger with an appropriate Alarm

Identifier. The Group contains Group members (Devices) to which the

message is to be sent.

• If the Group member is extension 2500 (DECT) then the message

arrives in the display of extension 2500.

Incoming Alarm (IA) from IP DECT

Incoming Alarm is an LRMS (E2) message that is sent from an LRMS

DECT extension to another extension number (DNR). In an IP DECT

configuration, no direct messaging between handsets is possible. Instead,

the message is available at a TCP/IP port on the IP DECT system. The

DECT Messenger system retrieves Incoming Alarms from IP DECT

through this TCP/IP port.

If a DECT handset needs to send messages to DECT Messenger, the

extension number of the handset must be IO monitored (IO Registered)

in DECT Messenger. After an incoming message is received by DECT

Messenger from a handset, the message goes to a group that contains

devices. The incoming message is sent to all the devices specified in the

Group.

Note: The IP DECT system does not support sending a message from

one DECT handset to another directly. For sending a message from one

DECT handset to another, you always need a DECT Messenger system.

Incoming Conﬁrmation (IC)

Incoming Confirmation is an LRMS (E2) message that is sent to an

extension number (DNR) in the DMC, and is used to reset an outstanding

alarm on a device. The DECT handset from which the LRMS (E2)

message is sent, is monitored (IO Registered) by DECT Messenger. The

CLI of the DECT extension is used as identifier for resetting an outstanding

Alarm on a Device. The PIN code that is specified in the device settings

must match this CLI of the DECT extension. The message that the DECT

extension sends is simply ignored.

Nortel Communication Server 1000

DECT Messenger Fundamentals

NN43120-120 02.01

11 May 2009