Yealink SIP-T19 E2 T4 Series, Руководство пользователя

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Customizing Your Phone
63
2. Enter the desired value in the BlockOut Number field.
3. Click Confirm to add the block out number.
Note
Public telephone networks in countries around the world have a single emergency
telephone number (emergency services number), that allows a caller to contact local
emergency services for assistance when necessary. The emergency telephone number
may differ from country to country. It is typically a three-digit number so that it can be
easily remembered and dialed quickly. Some countries have a different emergency
number for each of the different emergency services.
You can specify the emergency telephone numbers on the IP phone for contacting the
emergency services in an emergency situation
.
You can dial these numbers when the
phone is locked. For more information on phone lock, refer to Phone Lock on page 26 .
Note
To specify emergency numbers via web user interface:
1. Click on Features->Phone Lock.
2. Enter the emergency number in the Emergency field.
Contact your local phone service provider for available emergency numbers in your
area.
Block out number is configurable via web user interface only.