User`s guide

56K Professional Message Modem66
&ZL? Displays the last executed dial string
+++ Escapes to online-command mode
+MCA Enable/disable the PMM answer machine feature.
+MCA=1 Enable the answer machine feature.
+MCA=0 Disable the answer machine feature.
+MCA? Report disabled/enabled status of the PMM answer
machine feature.
1 Answer machine feature enabled.
0 Answer machine feature disabled.