Almost everything in a voice agent's configuration stays true until somebody changes it. Opening hours are the one exception: they stop being true on their own, without anyone touching a setting.
Threll has an MCP server. That means you can run your voice agents from Claude, ChatGPT or Gemini – in the same chat you already work in, without writing a line of code.
On an ordinary mobile subscription, call forwarding is one keypad code and under two minutes of work. If the company runs a PBX, it isn't a code at all – and that is where most setups stall.
A voice agent failure rarely looks like a failure. More often it is an agent answering a second and a half too late, on a number nobody has configured a fallback for. Six questions worth answering before it happens.
On 5 August, xAI moved its “latest” alias for voice models over to a new version, with no action required from customers. The claim that newer models are better is largely true – and that is precisely why it is worth taking apart.
Microsoft has started certifying voice agents for Teams Phone – and in the same document drew a line around which setups it will support. For any business running its telephony in Teams, that is a clause in the contract before it is a new feature.