720
Figure 737 Hotline number configuration page
4. Enter 0101001 in the Hotline Numbers field.
5. Click Apply.
Verifying the configuration
If you dial the number 0755-2003 on phone 0755-2001, a connection is establishe d to nu mber 010 -1001
at Router A.
Configuring one-to-one binding between FXS and FXO
Network requirements
• Router A and Router B are connected over an IP network and a PSTN. Telephone A attached to
Router A can make calls to Telephone B attached to Router B over the IP network or the PSTN.
• Usually, Telephone A makes calls to Telephone B over the IP network. In the case that the IP network
is unavailable, Router A sends calls from Telephone A through the bound FXO interface to
Telephone B over PSTN.