They can, but:
1. They need to dial in on the PSTN.
2. The PSTN-VOIP gateway has to be enabled on the SPA.
3. You need to register Voxalot on one of the gateways as well as on L1 (i.e. gw1 to gw4).
4. You need to set a PIN access for them.
5. The PIN should have an associated dialplan that routes them to the gw that Voxalot is registered on - something like ([x*][x*].<:@gwx>).
Then they get dialtone from Voxalot (well, actually from the SPA, but you know what I mean) and can use Voxalot services as if they were directly connected.
ataboy
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