PLANET VIP-255PT - Manual (Page 30)

Auto Redial
Auto redial is a telephone feature that redials a busy number a fixed number of times before giving up.
To set auto redial via the IP phone interface:
1. Press Menu->Features->Auto Redial Settings->Enter to enter the configuration page.
2. By the Switch hot key, you can choose whether to enable the auto redial function.
3. Press the navigation keys to choose and set the redial interval. It is measured by seconds.
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