[Asterisk-Users] Dial(...,t) question

[John Todd]

>  > I suspect you are using a Dial() statement that has something like
>>  "T" or "t" on it, which will force the media path through Asterisk so
>>  that Asterisk can listen for # keypresses.
>
>Hadn't really given this much thought, but John's response relative to
>a different question sort of got me thinking (with some confusion).
>I had the "t" option defined on all C7960 extns, including a couple that
>were remote Internet nat 7960s.
>
>I had added the t-option some time ago and didn't document why I did that,
>but from memory it seems like it was needed for call pickup, parking or
>something like that. (Basic * with sip hard phones and x100p's.)
>
>Since the t-option is _almost_ equivalent to canreinvite=no, to reduce the
>number of rtp sessions that must pass through * (assuming all non-nat'ed
>C7960s), what functionality might I be accidently impacting by removing
>the option from 7960 sip extns?
>
>Rich

The only functionality you'd be losing would be the ability to press 
# to reach the "transfer?" voice prompt.

Other things that are equivalent to "canreinvite=no" would be the 
Monitor application, since that forces media streams to traverse *.

JT