why there is a single-direction call

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1. Check whether the remote IP address and port number of the SIP IP trunk are correct.
2. Check whether the configuration is valid. Run the display voice trunk-group trunk-group-name command to check trunk group information.
3. Check whether the incoming prefix and calling number change plan are correctly configured.
4. Check whether the outgoing prefix and routing number change plan are correctly configured.

Other related questions:
why there is a single-direction call
1. Check whether the remote IP address and port number of the SIP IP trunk are correct. 2. Check whether the configuration is valid. Run the display voice trunk-group trunk-group-name command to check trunk group information. 3. Check whether the incoming prefix and calling number change plan are correctly configured. 4. Check whether the outgoing prefix and routing number change plan are correctly configured.

U1900 how to add or delete the local call,domestic direct dialing,international direct dialing permission
1. Log in to the web management system. 2. Choose "User > SIP User" or " User > POTS User", 3. Select the number and click "Service Configuration". 4. In the Complex service area, click Configure next to Outgoing call right. 5. In the Configure Outgoing Call Right dialog box that is displayed, select user rights as required

Why does the switch not select a direct route as the optimal route
By default, the switch selects routes in the following order: Longest mask > route preference > route cost When a direct route is not selected as the optimal route, check whether the switch has imported an external route with a longer mask than the direct route. If such a route exists, check whether the switch imports the more exact external route. This may be caused by incorrect routing configuration.

Why is the volume low in eSpace calls and meetings
Set the audio input and output volumes to the maximum on the eSpace Desktop. If the fault persists, go to the next step. On the main page, click the profile picture. The Setting window is displayed. Choose Media. Set the audio input and output volumes to the maximum In audio card settings, select Microphone Boost. The following uses the Realtek audio card as an example to describe the configuration procedure. Right-click speakers icon in the lower right corner of the desktop, and choose Recording devices from the shortcut menu. Select Microphone and click Properties, In the Microphone Properties dialog box, click the Levels tab. Adjust the value of Microphone Boost to 0 If the problem persists, adjust the value of Microphone Boost to 10, 20, and 30 and check whether the problem is resolved after each adjustment.

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