What trunks does the AR router support

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The AR router supports the following trunks: PRA, BRA, AT0, SIP, E1R2, and H323 trunks.

Other related questions:
Which trunks does the AR router support
The AR router supports the following trunks: - A PRA trunk is connected to a VE1 interface and is usually used to connect two PBXs. - AT0 trunk: An AT0 trunk is connected to an FXO interface. It is an analog circuit trunk and uses the FXO interface of the AR to connect to the PSTN through a common telephone line. If PBX users in an enterprise need to make local calls to external users or to make toll calls, the AT0 trunk is configured. - SIP trunk: SIP trunk includes SIP AT0, SIP PRA and SIP IP trunks. A SIP trunk is established on an IP link and connects a PBX and an IMS. - E1R2 trunk: An E1R2 trunk is connected to a VE1 interface. The E1R2 trunk is usually used to connect two PBXs. If the remote device uses R2 signaling, use the E1R2 trunk to connect to the AR to the remote device. (Note: V200R002C00 and later versions support the E1R2 trunk.) - H323 trunk: An H323 trunk is established on an IP link and connects a PBX and an IMS or PBXs in different areas. (Note: V200R002C01 and later versions support the H323 trunk.) - BRA trunk: A BRA trunk is connected to a BRA interface. It can be used to connect a PBX to the ISDN. (Note: V200R002C02 and later versions support the BRA trunk.)

What is the trunk of the AR router
A trunk is a logical link between two exchange offices. Inter-office calls must be transmitted by trunks. The AR router supports the following trunks: - A PRA trunk is connected to a VE1 interface and is usually used to connect two PBXs. - AT0 trunk: An AT0 trunk is connected to an FXO interface. It is an analog circuit trunk and uses the FXO interface of the AR to connect to the PSTN through a common telephone line. If PBX users in an enterprise need to make local calls to external users or to make toll calls, the AT0 trunk is configured. - SIP trunk: SIP trunk includes SIP AT0, SIP PRA and SIP IP trunks. A SIP trunk is established on an IP link and connects a PBX and an IMS. - E1R2 trunk: An E1R2 trunk is connected to a VE1 interface. The E1R2 trunk is usually used to connect two PBXs. If the remote device uses R2 signaling, use the E1R2 trunk to connect to the AR to the remote device. (Note: V200R002C00 and later versions support the E1R2 trunk.) - H323 trunk: An H323 trunk is established on an IP link and connects a PBX and an IMS or PBXs in different areas. (Note: V200R002C01 and later versions support the H323 trunk.) - BRA trunk: A BRA trunk is connected to a BRA interface. It can be used to connect a PBX to the ISDN. (Note: V200R002C02 and later versions support the BRA trunk.)

What is the SIP-AT0 trunk of AR router
The SIP AT0 trunk connects the local device to the remote device through the SIP over the IP network When a PBX user wants to complete SIP calls or other applications through the IMS or softswitch, the SIP AT0 trunk can be used. A user can use one SIP AT0 trunk at one time only, and incoming calls are transferred to the local called number or switchboard number.

From which version does the AR router support 80211ac
Currently, the AR does not support 802.11ac.

Which Layer-2 links does a bridge on an AR router support
A bridge on an AR router supports Ethernet, MP, PPP, FR, ATM, PPPoE, PPPoFR, PPPoEoA, and HDLC links.

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