[cisco-voip] SIP vs PRI PSTN

[SHAM SHARMA]

not many service providers support SIP yet ... SIP is future

On Jan 22, 2008 5:31 PM, <keli at carocomp.ro> wrote:

> Although I must admit I probably don't understand this question (SIP
> for PSTN? Isn't that a contradiction in terms? :P ) my two cents (if
> we're talking about SIP as in VoIP protocol):
>
> You're free from quite a lot of expensive hardware (no gateway, no
> E1/T1 card, no DSPs) and also, even a *lot* of bandwidth can be
> cheaper that the monthly rates of an E1 PRI (well, at least this seems
> to be the case around here). Adding new PRI lines adds to costs almost
> in a linear fashion (hardware has to be bought for each line just as
> well), while bandwidth comes at significant discounts in large
> quantities.
>
> Though that's just my theory, since I myself don't really see this
> "trend" happening much. So far PRI is way more reliable as a
> technology to be easily replaced by SIP trunks... (again, this is just
> my point of view, my circumstances etc.)
>
> Zoltan
>
> Quoting Lelio Fulgenzi <lelio at uoguelph.ca>:
>
> > Is there a fundamental reason users are going from PRI to SIP for
> > the PSTN connections? Is there a cost savings realized somewhere -
> > either hard or soft?
> >
> > I wouldn't mind hearing from the group.
> >
> > Lelio
> >
> --------------------------------------------------------------------------------
> > Lelio Fulgenzi, B.A.
> > Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
> > (519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
> > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> > "Buffalo buffalo Buffalo buffalo buffalo buffalo Buffalo buffalo."
>  WJR
>
>
>
> ----------------------------------------------------------------
> This message was sent using IMP, the Internet Messaging Program.
>
> _______________________________________________
> cisco-voip mailing list
> cisco-voip at puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-voip
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: https://puck.nether.net/pipermail/cisco-voip/attachments/20080122/0cc5b1a3/attachment.html