H11-879 HCIE-Enterprise Communication (Written) Questions and Answers

The registration status of phone A in the U1900 system may change immediately

The registration status of phone A in the U1900 system may remain unchanged

The registration status of phone A in the U1900 system may change after a period of time

The registration status of phone A in the U1900 system is updated, only after the network

cable of phone A is unplugged, the change occurs after half of the registration period of phone A has passed

routing

Bridge

exchange

Commissioning

IP phone A has a network failure

The SIP server information in the configuration of IP phone A is incorrectly configured.

SIP account and password in IP phone A configuration are wrong

The user ID and phone number of IP phone A configured in the U1900 system are inconsistent

Support unified upgrade on the U1900 series unified gateway web management interface

Support automatic upgrade

Support single upgrade on the eSight interface

Support manual upgrade

The ability of the main venue is set incorrectly, check whether the ability of the main venue reaches H.264 720P

VP9650 MCU port configuration error is caused, check the VP9650 MCU port configuration

SMC 2.0 did not import the license. Re-import a valid license.

The account for scheduling conferences is not authorized enough. Use the admin account to log in and reschedule.

TLS

SRTP

HTTPS

RTCP

SNMP V2C read community name or SNMP V3 user encryption method is inconsistent

SNMP V2C read community name or SNMP V3 user password is inconsistent

Device SNMP is not enabled

API account or password issue

The combined screen can only be output at the main output port and auxiliary output port

The auxiliary output port defaults to display the local main video

Non-main and non-auxiliary output ports, cannot output main video

If dual screen is enabled, the terminal cannot display three-split screen

Configure the eSight domain name and IP address mapping in the DNS server

Batch delivery via DHCP Option 246 field

Use access scan

Through the web configuration interface of IP Phone

If you want to successfully register IP phones A and B to the U1900 system, the U1900 system must include the MTU board

When IP phones A and B have successfully registered to the same U1900 system, if IP phones A and B are able to dial each other, the U1900 system must include an MTU board

When IP phone A and B have successfully registered to the same U1900 system, if IP phone A calls When calling IP phone B, IP phone B is busy, then if you need IP phone A to hear busy Line tone, the U1900 must contain MTU board

If IP phone A and analog phone C (directly connected to the ASI board of U1900) are successfully registered to U1900, when A calls C, U1900 may not contain MTU board

By default, when the video conference system uses the U1900 system to make voice calls, it has the right to call intra-office/local/domestic long-distance calls

By default, when the video conference system uses the U1900 system to make a voice call, Permission to make intra-office/local calls

If the video conferencing system needs the permission to call international long distance through the U1900 system, it can be modified by modifying the SIP trunk related trunkgroup calling permission between U1900 and SC.

If the video conference system needs the permission to call international long distance through the U1900 system, it can be modified in U1900 by modifying the access code prefix permission of the video conference system

Web

LMT

Command Line

eSight