[cisco-voip] SIP Trunks to provider

[Jason Aarons (US)]

Going back to Genuity H323 trunks in 2001 the driver was lower cost
International rates.  A call to Kalamazoo was 45 cents/minute, while a
H323 call to was like 15 cents a minute.

 

A DS-3 physical interface for a router/5300 is pretty expensive compared
to Ethernet.

 

A smaller site needing only 3-4 channels sharing a T1 internet might be
a good case, but in general the bigger the volume....

 

From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Matt Slaga (US)
Sent: Tuesday, June 10, 2008 2:43 PM
To: Scott Voll; cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] SIP Trunks to provider

 

I'm not sure if you mean using G711 with headers equals 34% more per
channel or channel costs directly.  We have worked with several
different SIP trunk providers, and some will not even charge for the SIP
trunks themselves, only for long distance costs.  Some of the providers
can provide G729, but most SIP providers hope you have more than a T1 or
two for internet connectivity.  Most customers we have provided for have
MAN or OC connections to the internet or direct connections through Time
Warner or similar.  Overall, they are much less expensive than typical
T1/E1s, but they require more internet bandwidth costs.  The comparison
costs really make sense for larger customers more so than smaller ones.

 

 

 

From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Scott Voll
Sent: Tuesday, June 10, 2008 11:06 AM
To: cisco-voip at puck.nether.net
Subject: [cisco-voip] SIP Trunks to provider

 

I'm just getting my feet wet with SIP Trunks.  I hear lots of talk about
SBC and setting up SIP Trunks to your providers.  

 

my question is, are others seeing that it's ~ 34% more per channel for
SIP then a conventional PRI?  If so, why are people in such a hurry to
go to a SIP Trunk and spend the money on a SBC?

 

Thanks for the insight

 

Scott

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