Canon Fax-L260i, Service Manual

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FAX-L260i Chapter 2: Technical Reference
6.2.1 Information elements in the SETUP message
The SETUP message is one of the messages used in the D-channel Layer 3 communication protocol, as
opposed to a network, and requires commencement of call settings. It is listed here, in the information
element included in the main message, as a necessary element for the machine’s service.
Sending Complete
Gives notification of completion of the Called Party Number destination. Addition of this required infor-
mation is handled as an option in ITU-T recommendations. Additionally, the required information can be
set as “Add/Do not Add” with a service switch on this machine.
Bearer Capability
Sets an outgoing G4 call to “unrestricted digital”, an outgoing G3 call to “3.1kHz audio”, and telephone to
“speech”. (There is no telephone in this machine.) It must be ensured that the information in question is
added according to ITU-T recommendations.
Channel Identification
Designates the B-channel which will be used from now on. “B1 channel”, “B2 channel”, “any channel”,
and “no channel” will all be set. It must be ensured that the information in question is added according to
ITU-T recommendations.
Progress Indicator
Notifies the channel generated for the call. Addition of this required information is handled as an option in
ITU-T recommendations. Additionally, using a service switch, the progress contents can be set, and the
required Progress Indicator information can be set as “Add/Do not Add” on this machine.
Calling Party Number
Sets the phone number of the calling party (=the machine itself). Addition of this required information is
handled as an option in ITU-T recommendations.
Called Party Number
Sets the telephone number of the called party. Addition of this required information is handled as an option
in ITU-T recommendations.
Low Layer Compatibility
Sets an outgoing G4 call to “unrestricted digital”, an outgoing G3 call to “3.1kHz audio”, and telephone to
“speech”. (There is no telephone in this machine.) Addition of this required information is handled as an
option in ITU-T recommendations. Additionally, this machine can use a service switch to set the required
information to “Add/Do not Add” in the SETUP message when calling with G4/G3.
High Layer Compatibility
With an outgoing G4 call, “G4 FAX” is set, with an outgoing G3 call, “G2/G3 FAX”, and with telephone,
“TEL”. (There is no telephone in this machine.) Addition of this required information is handled as an
option in ITU-T recommendations. Additionally, this machine can use a service switch to set the required
information to “Add/Do not Add” in the SETUP message when making an outgoing G4/G3 call.