Mark Phillips a écrit :
Hi Folks,
A new Asterisk customer of mine showed me his phone bill yesterday.
For 17 analogue cirsuits hes paying over $750 a month. From what I can
see a little over $500 of that is in line charges and taxes with the
remainder being in actual call charges.
How much would a partial PRI cost?
We already know that he's top heavy on phone lines (he only has 10
employees) and so we are addressing that but I've started giving some
thought to a VOIP provider rather than stick with his analogue.
In your opinion, would the migration to a VOIP provider save him
money? Could his 3 office phone numbers (one's an 800) be ported to
the provider? Which provider should I look at? I'd rather one that can
do IAX2.
Unless you have rock-solid connectivity between your VoIP provider and
yourself, porting DIDs is asking for trouble. If you do this, use a
local VoIP provider and ask to see the installations and emergency
procedures in case of faulty hardware for instance.
Otherwise, I would recommend switching to a partial PRI (i.e. 10
channels only) for inbound traffic, mainly because of reliability
issues. Then for outbound, subscribe with 4-5 providers and use my "baby
lcr" Asterisk::LCR [1] to do outbound dialing. Always use the PRI as
fallback and for 911 service.
Also do not forget to have solid bandwith and do some traffic shaping.
There are a few scripts which do that on the wiki.
[1] http://ykoz.net/intl/lcr/
Cheers,
Jean-Michel.
--
Jean-Michel Hiver - http://ykoz.net/
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