5 Routing examples
VoIPBox BRI Version 18.0.002
Page 108
Figure 5.3
Work@Home scenario
5.4
ISDN dial-up for terminating VoIP calls
In the following example of the
ip.cfg
, the VoIPBox’s IP ad-
dress is 192.168.1.2. No default gateway is configured. The
standard route is assigned to the ISDN PPP interface. When
the packets to be routed (firewall configuration) set up this
connection using dial-on-demand, the ISDN dial-up Internet
connection with the number 12345 (
Dad=
) is set up to termi-
nate VoIP calls. the username is
user
and the password is
pwd
.
The firewall settings allow only SIP UDP signaling packets and
RTP/RTCP packets for ports 29000-29015 in both directions.
This can be used in locations without broadband Internet con-
nection and generally have several simultaneous voice calls.
Only one ISDN B-channel connection to the Internet is set up,
but up to six simultaneous voice calls can be transmitted (de-
Bear in mind that if names are used instead of IP address-
es, the DNS service must be activated.
!
Содержание VoIPBox BRI
Страница 1: ...VoIPBox BRI Reference manual Software version 18 0 ...
Страница 16: ...1 Safety and security precautions ...
Страница 27: ...2 Overview ...
Страница 32: ...3 VoIPBox installation ...
Страница 49: ...4 Configuration files ...
Страница 101: ...5 Routing examples ...
Страница 119: ...6 System maintenance and software update ...
Страница 175: ...7 Signaling and routing features ...
Страница 203: ...8 Least cost routing ...
Страница 214: ...9 Online traffic monitor ...
Страница 226: ...10 Two stage dialing callback server functionality ...
Страница 238: ...11 Additional VoIP parameters ...
Страница 261: ...12 Troubleshooting ...