Cisco 7942G - Unified IP Phone VoIP 문제 해결 및 유지 관리 - 페이지 16

{카테고리_이름} Cisco 7942G - Unified IP Phone VoIP에 대한 문제 해결 및 유지 관리을 온라인으로 검색하거나 PDF를 다운로드하세요. Cisco 7942G - Unified IP Phone VoIP 27 페이지. Unified communications manager 9.0 (sccp and sip)
Cisco 7942G - Unified IP Phone VoIP에 대해서도 마찬가지입니다: 사용자 설명서 (23 페이지), 데이터시트 (5 페이지), 설치 매뉴얼 (12 페이지), 사용자 설명서 (6 페이지), 사용자 설명서 (4 페이지), 관리 매뉴얼 (12 페이지), 사용자 설명서 (13 페이지), 사용자 설명서 (17 페이지), 사용자 설명서 (12 페이지), 사용자 설명서 (16 페이지), 매뉴얼 (11 페이지), 사용자 설명서 (6 페이지), 관리 매뉴얼 (16 페이지)

페이지 인쇄

Cisco 7942G - Unified IP Phone VoIP 문제 해결 및 유지 관리

Determine DNS or Connectivity Issues

Procedure

Step 1

From Cisco Unified Communications Manager, choose Device > Phone > Find to locate the phone experiencing

problems.

Step 2

Choose Delete to remove the phone from the Cisco Unified Communications Manager database.

Step 3

Add the phone back to the Cisco Unified Communications Manager database. See

Communications Manager Phone Addition Methods

Step 4

Power cycle the phone.

Determine DNS or Connectivity Issues

If the phone continues to reset, follow these steps to eliminate DNS or other connectivity errors:

Procedure

Step 1

Use Erase to reset phone settings to their default values. See

page 21

Step 2

Modify DHCP and IP settings:

a) Disable DHCP. See

b) Assign static IP values to the phone. See

default router setting used for other functioning Cisco Unified IP Phones.

c) Assign a TFTP server. See

for other functioning Cisco Unified IP Phones.

Step 3

On the Cisco Unified Communications Manager server, verify that the local host files have the correct

Cisco Unified Communications Manager server name mapped to the correct IP address.

Step 4

From Cisco Unified Communications Manager, choose System > Server and verify that the server is referred

to by its IP address and not by its DNS name.

Step 5

From Cisco Unified Communications Manager, choose Device > Phone > Find and verify that you have

assigned the correct MAC address to this Cisco Unified IP Phone. For information about determining a MAC

address, see

Step 6

Power cycle the phone.

General Troubleshooting Information

The following table provides general troubleshooting information for the Cisco Unified IP Phone.

Troubleshooting and Maintenance

for details.

Network Configuration Menu

Cisco Unified IP Phone MAC Address

for details.

Cisco Unified IP Phone Reset or Restore, on

for instructions.

Network Configuration Menu

for instructions. Use the same TFTP server used

Determination.

Troubleshooting and Maintenance

Cisco Unified

for instructions. Use the same