Use this info to configure the Fanvil GA10 as a doorbell phone.
Line>>SIP
| Enable Hotline | Enable hotline configuration, the device will dial to the specific number immediately at audio channel opened by off-hook handset or turn on hands-free speaker or headphone |
| Hotline Delay | Set the delay for hotline before the system automatically dialed it |
| Hotline Number | Set the hotline dialing number |