Can the AR connect to the PBX

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A PBX often provides E1 (DB9) and FXO (RJ11) interfaces. E1 and FXO interfaces can connect to the AR.

Other related questions:
Can the AR connect to the PBX
A PBX often provides E1 (DB9) and FXO (RJ11) interfaces. E1 and FXO interfaces can connect to the AR.

Can I connect the eSpace 8950 to a third-party PBX?
Huawei IP phones support the standard SIP protocol. They can register with a third-party PBX (SIP voice gateway) as long as the third-party PBX supports SIP registration.

Can the AR router interwork with a PBX
A PBX often provides E1 (DB9) and FXO (RJ11) interfaces. E1 and FXO interfaces can connect to the AR.

The AR connects to the TDM PBX VE1. Is the CT license required
The CT license is used to implement call transfer over a trunk. That is, calls received over one trunk are forwarded over another trunk. The AR connects to the TDM PBX VE1 as follows: -When the AR working in SIP AG mode connects to the TDM PBX VE1, you only need to configure the value-added service package for voice services. -When the AR working in PBX mode connects to the TDM PBX VE1, users connected to the TDM PBX communicate with only local users. After the value-added service package for voice services is configured, you need to configure CM&BEST License. The CT license is not required. -When the AR working in PBX mode connects to the TDM PBX VE1, users connected to the TDM PBX communicate with external users through the AR. After the value-added service package for voice services is configured, you need to configure CT License.

Intra-office calls on the AR used as the IP PBX are normal, but inter-office calls fail to be connected
1. Check whether the country code and area code at both ends are consistent. 2. Check whether users, prefixes, enterprises that trunks belong to, and DN sets at both ends are consistent. 3. Check whether the call prefix is correctly configured, whether call rights are correct, and whether the call attribute of the call prefix is inter-office. 4. Check whether the inter-office trunk configuration is correct and whether the trunk status is normal. 5. Check whether the call prefix is correctly configured and whether the inter-office prefix is bound to the trunk group.

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