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Knowledge Base

Standard definition video terminal cannot be docked

Publication Date:  2019-07-27  |   Views:  268  |   Downloads:  0  |   Author:  SU1001268614  |   Document ID:  EKB1000033233

Contents

Issue Description

  1. During the process of docking the following occurs:
    1, Division I is not registered in the ZTE terminal VP9035A GK server, and ZTE 4050B terminal call each other normal;
    2, Division I registered in the terminal VP9035A GK server ZTE, ZTE 4050B terminal to normal call our terminal VP9035A, I can not call the Secretary terminal ZTE 4050B terminal;
    3, Division I registered in the ZTE terminal VP9035A GK server, through the MCU will tune, our terminal can join, the sound transmission is normal but can not broadcast images.

Alarm Information

1, registered in the resurgence GK server and 4050B terminal point call prompted a call can not be established;
2, will be adjusted by the MCU, indicating successful initiation, but the tips broadcast image failed.

Handling Process

1, due to the SD terminal docking ZTE will butt call bandwidth, video protocol and other parameters are changed in accordance with the SD terminal;
2, through the upgrade tool on the Division I VP9035A terminal version downgrade, try docking;
3, directly connected to the VP9035A the LAN2 port, remote login terminal address, enter the user name and password, and start running Ethereal packet analysis , execute command bsp ipmonitor on, get capture file and capture file for analysis.

Solve Results:
1, to the terminal through the MCU successfully call the Division I membership, adjusting our terminal parameters, demotion and other operations are not broadcast images can not solve the problem (our video streaming has been sent to the MCU, but the MCU not be forwarded by analyzing capture file  ), we can not avoid this problem, you need ZTE GK server this limitation;
2, Division I terminal can not take the initiative to call a meeting to mobilize the MCU can only be called by the MCU into a passive, adjusting our terminal parameters, demotion and other operations are not broadcast images can not solve the problem (our video streaming has been sent to the MCU, but the MCU not be forwarded by analyzing the capture file shows), we can not avoid this problem, you need ZTE GK server contacts the limit;
3, adjusted by the MCU will not only address him with ZTE 4050B terminal point, terminal settings in Division I options are not registered in the GK server option, you can achieve each call point can not address him to circumvent the problem.

Root Cause

According to the above problems, the related equipment capture file for analysis and the results show our VP9035A terminal server sends the call request to the GK, GK ZTE server response protocol no relevant (non-standard) message back, resulting in a call can not be established, problem Cause for ZTE GK terminal server onVP9035A been restricted Below capture file display:

Suggestions

None