[Asterisk-Users] Looking for SIP provider with minimal call setup time

[Arnaud]

I am looking for a PSTN-SIP provider with minimal call setup time. That is

When a POTS phone calls my SIP number, RTP traffic between the SIP
provider and my SIP phone should start flowing ASAP. SIP client uses
auto-answer.

I tried IPKall that resulted in intermittent total failure. With
Broadvoice plan at $9.99 call setup time is about 7 seconds.

We have a fast IP network here , so I am quite sure that the limiting
factor is the SIP provider, not bandwidth or RTT. BTW RTT to
broadvoice proxy was <20ms.

US west coast number prefferred. If _you_ are a provider, please
contact me off list.

thanks - Arnaud