Which voice service modes do AR series routers support

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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.

Other related questions:
Which models of AR series routers support the voice function
AR models that support the voice function are as follows: - V200R001C00: AR1220V - V200R001C01: AR1220V, AR1220VW, AR2220, AR2240, and AR3260 - V200R002C00 and later versions: AR207V, AR207V-P, AR1220V, AR1220VW, AR2220, AR2220L, AR2240, and AR3260 - V200R005C10 and later versions: AR157VW, AR158EVW, AR201VW-P, AR207V, AR207V-P, AR207VW, AR1220V, AR1220VW, AR2220, AR2220L, AR2240, and AR3260 - V200R005C30 and later versions: AR157VW, AR158EVW, AR169FVW, AR169FGVW-L, AR201VW-P, AR207V, AR207V-P, AR207VW, AR1220V, AR1220VW, AR2220, AR2220L, AR2240, and AR3260 - V200R006C10 and later versions: AR157VW, AR158EVW, AR169FVW, AR169FGVW-L, AR201VW-P, AR207V, AR207V-P, AR207VW, AR1220V, AR1220VW, AR1220EV, AR1220EVW, AR2220, AR2220L, AR2240, and AR3260

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 ATM services do AR routers support
AR routers support four PVC-based ATM service types: CBR, UBR, VBR-RT, and VBR-NRT.

Which STP protocols do AR series routers support
AR series routers support Spanning Tree Protocol (STP), Rapid Spanning Tree Protocol (RSTP), and Multiple Spanning Tree Protocol (MSTP).

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