Version 7.2 635 Mediant 500L Gateway & E-SBC
User's Manual 28. Analog Gateway
3. In the Tel-to-IP Routing table (see 'Configuring Tel-to-IP Routing Rules' on page 509),
enter 20 for the destination phone prefix and 10.1.10.2 for the IP address of the FXO
device.
Figure 28-15: FXS Tel-to-IP Routing Configuration
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).