[asterisk-users] Call sip:user at domain.com?

[Gilles]

On Thu, 16 Dec 2010 17:05:35 -0500, "Jamie A. Stapleton"
<jstapleton at computer-business.com> wrote:
>Just add something like this to your dialplan:
>
>exten=>1234,1,Dial(SIP/user at domain.com)
>
>Then, when you dial 1234 on your XLite, it will connect you to user at domain.com.

Thanks Jamie, but isn't there a universal way to solve this, so that
users can dial any SIP number without first having to create an
extension for that specific number?