Add multipoint data circuit (ma), 21 add multipoint data circuit (ma), 1 command format – Comtech EF Data SNM-1000 User Manual
Page 111: 2 local command responses

SNM-1000 Node Control Modem
Revision 3
Operation
MN/SNM1000.IOM
3–69
3.7.21
Add Multipoint Data Circuit (MA)
Adds another circuit to multipoint data call, NMS reports results of call using CS
unsolicited response.
3.7.21.1 Command
Format
<channel_no> MA<phone_number>'cr'
<channel_no>
Prefix channel number.
Valid range: 1 through 30.
1 through 30 are for traffic modems attached to an SNM-1000, operating in
external traffic mode.
MA
Add MultiPoint Data Call
<phone_number>
Destination data channel address (phone number).
Max. length: 32 characters.
Valid characters: '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '*', '#', 'A', 'B', 'C', 'D', '-',
'(' or ')'
Note: The '-' and '('or')' characters are not part of the number and are used to
increase readability. They are stripped out and not passed to the NMS.
3.7.21.2
Local Command Responses
<none>
Command received OK, will be sent to the NMS.
Error <code>: <description> <cr><lf>
Code Description
9 Channel <channel_no> Invalid.
20 Not enought parameters.
21 Bad circuit number.