Voice and video services are no smooth when MP services are deployed on the AR router

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When MP services are deployed, QoS LLQ queues are often used in the uplink and special flows enter LLQ queues. Low delay and packet loss ratio are ensured for LLQ queues that voice services enter.
To ensure that voice and video services are rapidly and smoothly transmitted, enable LFI on the MP-group interface.
Run the ppp mp lfi command in the MP-group interface view.

Other related questions:
Voice and video services are not smoothly transmitted when MP services are deployed. How is this problem solved
When MP services are deployed, QoS LLQ queues are often used in the uplink and special flows enter LLQ queues. Low delay and packet loss ratio are ensured for LLQ queues. To ensure that voice and video services are rapidly and smoothly transmitted, enable LFI on the MP-group interface. Run the ppp mp lfi command in the MP-group interface view.

How to switch voice service modes of AR router
To switch the voice service mode of the AR router, run the service-mode { sipag | pbx | h248ag } command in the voice view. Note: Before switching to another voice service mode, delete all configuration data in current mode. After the voice service mode is switched, save the configuration and restart the device to make the configuration take effect.

Which voice service modes do AR series routers support
Currently, AR series routers support the following two voice service modes: Session Initiation Protocol access gateway (SIP AG) ,H.248 access gateway (H248AG) and private branch exchange (PBX). You can run the display voice service-mode command to view the voice service modes of the current AR. To switch between modes, run the service-mode { sipag | h248ag | pbx } command in the voice view. NOTE: Before switching voice modes, delete all configuration data in current mode. Change and save the new configuration, and reboot the device to enable the new mode.

Is only the value-added service package for voice service required when the AR router is connected to an IP phone through an AT0 trunk
The AR must work in PBX mode when the AR connects to an IP phone and the PSTN through the AT0 interface. After the value-added service package for voice services is configured, you need to request the license. In V200R003 and earlier versions, the CM license needs to be configured. In V200R005 and later versions, UC Express License Package and UC Express IP Quantity need to be configured.

Does the AR router support voice and video functions
The AR router connects to a video phone to provide voice and video services.

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