Yealink VC400, Руководство пользователя

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User Guide for the VC400 Video Conferencing System
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2.
On system A, select
Auto
from the pull-down list of
Call Type
before calling.
3.
On system A, dial the account numbers of system B.
Result
：

If account polling is disabled, system A can only use its Cloud account (highest priority) to
call system B.

If account polling is enabled, system A will use its Cloud account (highest priority) to call
system B first. If this call fails, system A continues to use its SIP account (next priority) to
call system B.
To configure account polling via web user interface:
1.
Click on
Setting
->
Call Features
.
2.
Select the desired value from the pull-down list of
Account Polling
.
- If you select
Disabled
, the system can only call other systems using the call type with
the highest priority.