M3000 Touchphone Call States; Call Processing States - Northern Telecom Meridian M3000 Reference Manual

4-24 Features description
other TADO-equipped M3000 Touchphones or any Meridian SL-100
DATAPA TH data product
The Meridian SL-100 Keyboard Dialing (KBD) feature provides Data
Terminal Equipment (DTE) users a means to establish a switched data call to
multihost sites and activate selected telephone features, such as Speed
Calling, Autodial, and Ring Again. The KBD routine varies with the data
equipment being used, and reference to the user's data terminal manual may
be necessary. For a Meridian SL-100 TADO Keyboard Dialing routine,
refer to 555-4001-110, M2000 Digital Telephone Reference Manual.
The Hayes Keyboard Dialing feature provides DTE users with a means to
use personal computer software packages requiring a Hayes-type keyboard
dialing command protocol. For a Hayes Keyboard Dialing routine, refer to
Chapter 9, "Keyboard dialing". Only one type of keyboard dialing
(Meridian SL-100 KBD or Hayes) is active at a time.
The TADO exists in one of four states: autobaud, Meridian SL-100 KBD,
Hayes Keyboard Dialing, or data mode. When the TADO is powered up, the
autobaud state is active until an acceptable autobaud character is entered.
The characters used to set autobaud and autoparity determine the keyboard
dialing type.
For incoming calls, the KBD specified in the profile is used. If the TADO
has no stored data rate, the incoming call prompt transmits at 19.2 kbit/s. If
the DTE is not set to that rate, garbage displays. The TADO has no stored
data rate if autobaud has not been set since powering up the TADO or
performing maintenance on the line. Since any incoming calls prior to
autobaud are not received, autobaud/autoparity should be set upon powering
up the TADO.

M3000 Touchphone call states

Table 4-9 describes the M3000 Touchphone states and the responses of the
M3000 Touchphone when the touch positions are touched.
Table 4-9xxx

Call processing states

Call processing state
Idle
Dialtone
Intercom dialtone
555-4001-112 Standard 05.01 March 1995
Description
On-hook (voice and data)
Ready to transmit dialed digits
Ready to transmit digits for a group intercom call
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