User`s manual

Version 5.4 433 May 2008
SIP User's Manual 7. IP Telephony Capabilities
3. In the ‘Tel to IP Routing’ page (refer to ''Tel to IP Routing Table'' on page 200), enter
20 for the destination phone prefix, and 10.1.10.2 for the IP address of the FXO
device.
Note: For the transfer to function in remote PBX extensions, Hold must be disabled
at the FXS device (i.e., Enable Hold = 0) and hook-flash must be transferred
from the FXS to the FXO (HookFlashOption = 4).
7.13.4.6 FXO Gateway Configuration
The procedure below describes how to configure the FXO interface (to which the PBX is
directly connected).
¾ To configure the FXO interface, take these 4 steps:
1. In the ‘Endpoint Phone Numbers’ page, assign the phone numbers 200 to 207 to the
device’s FXO endpoints.
Figure 7-13: Assigning Phone Numbers to FXO Ports
2. In the ‘Automatic Dialing’ page, enter the phone numbers of the FXS device in the
‘Destination Phone Number’ fields. When a ringing signal is detected at Port #1, the
FXO device automatically dials the number ‘100’.
Figure 7-14: FXO Automatic Dialing Configuration
3. In the ‘Tel to IP Routing’ page, enter 10 in the ‘Destination Phone Prefix’ field, and the
IP address of the FXS device (10.1.10.3) in the field ‘IP Address’.
Figure 7-15: FXO Tel-to-IP Routing Configuration