PSTN Settings
PSTN Relay
PSTN Prefix | The PSTN Relay allows certain calls to be diverted to the |
| PSTN link, even though VoIP is working properly. |
| This PSTN prefix means that any number beginning with this |
| prefix will be diverted to PSTN (the prefix itself is deleted, |
| then the remainder of the number is dialed via PSTN). |
| • If the prefix is a single character, that character must be * |
| • If the prefix is multiple characters, all characters after the |
| 1st character must be digits. The 1st char character can be * |
| or a digit. |
| Note: When dialing, do not wait for a 2nd dial tone for the |
| PSTN; there is no 2nd dial tone. Just dial the PSTN prefix and |
| the desired phone number. |
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PSTN Fixed Relay | This provides another method of diverting calls to the PSTN |
| link. Any Telephone numbers listed in this table will always be |
| dialed via PSTN. |
| This feature should be used to direct emergency numbers to the |
| PSTN. |
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PSTN Rollover |
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Use PSTN… | If enabled, then when VoIP is unavailable, all calls from the |
| handset will be sent via PSTN. (This is the same effect as |
| occurs when the power is off.) However, note that VoIP phone |
| numbers (beginning with are often unreachable via PSTN. |
| Normally, this setting should be Enabled. |
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