Draytek Vigor2820 Series User Manual page 212

Open ISDN>> General Setup and set as the following:
When remote user calls you by dialing 5972727, the router will make Phone port ringing.
When remote user calls you by dialing 5972728, the router will make ISDN phone under
ISDN1-S0 port and configured
When remote user calls you by dialing 5972729, the router will make ISDN phones under
ISDN1-S0 port and configured
When remote user calls you by dialing 5972720, the router will make all of ISDN phones
under ISDN1-S0 port ringing.
When remote user calls you by dialing 5972722, the router will make no phone ringing for the
number is not specified in such page.
If you use Phone to dial an outgoing call: remote user will see the telephone number -
5972726 because CLIP is not checked.
If you use ISDN1-S0 with MSN 32 to dial an outgoing call: remote user will see "Withheld
Number" from the telephone display panel because Phone CLIR is checked.
If you use ISDN1-S0 with MSN 5972729 to dial an outgoing call: remote user will see the
number 5972729 because Phone CLIP is checked.
If you use ISDN1-S0 without MSN Setup to dial an outgoing call: remote user will see the
number 5972720 because Phone CLIP is checked.
Vigor2820 Series User's Guide
with internal MSN number
with internal MSN number
202
32 ringing.
ringing.
5972729