Dialogic 6.2 Manuale Utente

Enabling the R2 Protocol

November 2009

346

Backward Channel Signal Definitions

sendNextDigitDNIS

Signal request for next DNIS digit

(state DNIS).

Table 20

sendLastButOneDigitDNIS

Signal request for last-but-one

DNIS digit (state DNIS). This

signal is not currently used.

Table 20

sendCallCategoryAndSwitch

ToGroupB_DNIS

Requests transmission of the Call

Category and switch of the forward

channel to reception of the Group B

line condition (state DNIS).

Table 20

congestion

Signals congestion (state DNIS).

Table 20

sendCallingPartyCategory

Requests transmission of the

calling party information starting

with the Calling Category (state

DNIS).

Table 20

callComplete_

SetUpSpeechPath

Signals call acceptance, with

charge, without the need for the

Group II/Group B exchanges (state

DNIS).

Table 20

sendLastButTwoDigitDNIS

Refer to ITU A-7. This signal is not

currently used.

Table 20

sendLastButThreeDigitDNIS Refer to ITU A-8. This signal is not

currently used.

Table 20

sendFirstDigitDNIS

This signal is not currently used.

Table 20

sendNextDigitANI

Request transmission of the next

ANI digit (state ANI).

Table 20

changeFrom_ANI_To_DNIS_

SendNextDigit

Signal return to DNIS digit

collection, requesting the next

DNIS digit (state ANI).

Table 20

changeFrom_ANI_To_DNIS_

SendLastDigit

Signal return to DNIS digit

collection, requesting the last

DNIS digit. This signal is not

currently used. (State ANI).

Table 20

Table 19. R2 MFC Inter-register Signaling Parameters (Continued)

Name

Description

Units

Range