Registration Retry Interval(s): Set the time duration for your SIP Registrar server to keep
your registration record. Before the time expires, the GPON router will send another register
request to SIP Registrar again. If you are unsure of it, please always keep the default value.
Enable T38 support: T38 specifies a protocol for transmitting a fax across IP network in real
time. It allows the transfer of fax documents in real-time between two standard Group 3
facsimile terminals over the Internet or other networks using IP protocols. It will only function
when both sites support this feature and are enabled.
4.8.6 Speed Dial
Choose “Voice”“Speed Dial”, you will see the screen as shown in Figure 4-55. This section
introduces how to configure Speed Dial for your account.
Speed Dial function can help to store frequently used telephone numbers and make your dial more
convenient. It allows you to make a call by pressing a short number and the pound sigh # on the
phone keypad instead of the original number.
Figure 4-55
To add a Speed Dial entry, click the Add button and you will see the screen as shown in Figure
4-56. Fill in the following parameters and then click the Save button.
Figure 4-56
Number: Enter a phone number.
Speed Dial: Enter a number from 0~99.
Click the Save button, you will go back to the previous page and see the following list as shown in
Figure 4-57.
Figure 4-57
64