Block incoming collect calls on DGM-TE220B E1

cassioac

Joined
Nov 14, 2009
Messages
10
Likes
0
Points
0
#1
Could anybody tell me how to block incoming collect calls on my ISDN E1 (DGM-TE220B)?

If there's a way I can answer the phone, hangup, and answer again, it would solve my problem.

Thank you in advance.
 

Members online

No members online now.

Latest posts

Forum statistics

Threads
30,902
Messages
130,887
Members
17,565
Latest member
omarmenichetti
Top