Asterisk vs FreeSwitch?

Ed Felt edfelt at
Sat Feb 23 21:25:46 MST 2013

I would use openser.  I supported it for several years for a VoIP startup.
It's highly configurable and speaks only SIP. It's only a SIP router (does
not do RTP).  I never ran in to a SIP provider that did not support it.
On Feb 23, 2013 9:36 AM, "Michael Torrie" <torriem at> wrote:

> On 02/22/2013 11:03 PM, Tod Hansmann wrote:
> > Where
> > FreeSWITCH gets into trouble is their community is much more "rtfm" and
> > less hand-holdy than Asterisk, though several of the community are more
> > than friendly, and they REALLY know their stuff for the most part.
> Several years ago I had occasion to ask a few questions on the asterisk
> IRC channel and I found at least one of their main "experts" to be
> extremely RTFM-ish.  He kept telling me I didn't know what I was talking
> about, when in fact it was he who didn't understand what I was asking.
> When I pushed back a bit he got all angry and basically said what I
> wanted to do was stupid anyways.  Really soured me to asterisk.
> I've since learned that Asterisk really sucks at what I wanted to do.
> Basically I wanted to have a dialplan that could take a number, say BYU
> phone numbers, and turn them into url-based addresses
> (number at but pass them through a sip provider trunk instead
> of talking to directly.  Unfortunately Asterisk just cannot
> deal with urls in their dialplans.  It's a major weakness in asterisk,
> though an understandable one since telephones have number pads only
> typically.  Anyay on IRC I was told to just use as a trunk
> and places the calls directly (since knows what to do with
> the numbers).  The folks on IRC berated me for even wanting to do what I
> needed to do.  Just fix my stupid firewall he said (which was outside my
> control).
> Of course if BYU actually registered their numbers with the ENUM service
> (DNS for SIP), then I could have simply used, say, as a
> trunk and they could use ENUM to figure out a no-cost dialing path.  But
> since BYU doesn't (or hadn't at the time) I was kind of stuck.
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