[cisco-voip] Moving to SIP

[Bill Simon]

Someone please explain why the codec needs to change from G.711u to 
G.729 simply because of a transition from PRI to SIP?

Does AT&T's SIP service not support G.711? Or are you simply trying to 
squeeze more channels onto limited bandwidth? (Get more bandwidth.)


On 9/24/11 12:38 PM, Jason Aarons (AM) wrote:
>
> The larger you are the more advantages.  For small business I agree 
> sticking with PRI since you can get them dirt cheap.  For example bank 
> with 700 branches can see a 14 month ROI versus fractional PRIs across 
> all those sites, more mpls bandwidth to branch for video/digital 
> signage, fewer hardware costs, etc.
>
> *From:*Lelio Fulgenzi [mailto:lelio at uoguelph.ca]
> *Sent:* Saturday, September 24, 2011 11:53 AM
> *To:* Jason Aarons (AM)
> *Cc:* Haas, Neal; cisco-voip at puck.nether.net
> *Subject:* Re: [cisco-voip] Moving to SIP
>
> Anyone else have the feeling SIP isn't all it's cracked up to be? In 
> our case, if you're not already getting Internet service from your 
> your SIP provider, it's just not that economical. Especially if you 
> have to keep a PRI around for faxing, modems, alarms, etc.
>
> Sent from my iPhone
>
>
> On Sep 24, 2011, at 10:51 AM, "Jason Aarons (AM)" 
> <jason.aarons at dimensiondata.com 
> <mailto:jason.aarons at dimensiondata.com>> wrote:
>
>     Yes faxing/modem/postage won't work. Look into separate device
>     pools for g711 stuff, etc.
>
>     *From:*cisco-voip-bounces at puck.nether.net
>     <mailto:cisco-voip-bounces at puck.nether.net>
>     [mailto:cisco-voip-bounces at puck.nether.net]
>     <mailto:[mailto:cisco-voip-bounces at puck.nether.net]> *On Behalf Of
>     *Haas, Neal
>     *Sent:* Friday, September 23, 2011 6:27 PM
>     *To:* cisco-voip at puck.nether.net <mailto:cisco-voip at puck.nether.net>
>     *Subject:* [cisco-voip] Moving to SIP
>
>     We are moving to (ATT) SIP from standard PRI's, of course we just
>     realized that our unity is G711.
>
>     Are there any gotchas by just changing the General Configuration
>     to G729a?
>

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