Bay Networks Nautica 200 Reference Manual page 329

Parameter:
MTC:
Default:
Options:
Function:
Instructions:
117237-C Rev. A
DOV
dov
no
no, yes
This parameter is only relevant if Service is set to PPTP.
When disabled, incoming voice calls to this PPTP MSN
are terminated via a modem. When enabled, all
incoming voice calls to this PPTP MSN are treated as
data calls.
Supplementary ISDN Services
10-19