[cisco-voip] 3845 DSP
Dennis Heim
Dennis.Heim at cdw.com
Thu Feb 11 09:36:24 EST 2010
I wouldn't use the excited about modems and faxes... but rather the chance of less headaches.
Dennis Heim
Network Voice Engineer
CDW Advanced Technology Services
11711 N. Meridian Street, Suite 225
Carmel, IN 46032
317.569.4255 Office
317.569.4201 Fax
317.694.6070 Cell
dennis.heim at cdw.com
www.berbee.com
-----Original Message-----
From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Nick Matthews
Sent: Thursday, February 11, 2010 9:24 AM
To: Justin Steinberg
Cc: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] 3845 DSP
This is a software-layer feature, so you should see the same improvements whether you have 2nd or 3rd gen DSPs. The world is getting excited about faxes and modems again!
-nick
On Wed, Feb 10, 2010 at 8:02 PM, Justin Steinberg <jsteinberg at gmail.com> wrote:
> nick do you know if this 15.1(T) feature will be require PVDM3s ?
>
> Assuming the 15.1(T) ISRg2 terminates the TDM PSTN connection, will
> V90/32 work for fax/modems that connect via a VG224 ? Or will this
> only work for devices off an FXS on an ISRg2 with PVDM3s and 15.1(1)T ?
>
> Justin
>
> On Tue, Feb 9, 2010 at 9:24 PM, Nick Matthews <matthnick at gmail.com> wrote:
>>
>> This is one of the 15.1(1)T features that will be available in the
>> next few months. V.90 and V.32 ( speeds greater than 14.4k) will be
>> supported for T38 and modem passthrough. You are correct that
>> anything above that is best effort currently.
>>
>> -nick
>>
>> On Tue, Feb 9, 2010 at 7:46 PM, <lelio at uoguelph.ca> wrote:
>> > There is mention in the docs that IOS v15 supports SG3 speeds natively.
>> > If you read the Fax guide it's in there.
>> > I can look for it later and send to the list, but I believe I
>> > posted it (or a snippit) to the list before so you might find it in
>> > the archives.
>> >
>> > Lelio Fulgenzi, Senior Analyst
>> > Computing & Communications
>> > University of Guelph
>> > 519-824-4120 x56354
>> > ...sent from my iPod - please pardon my fat fingers ;) [XKJ2000] On
>> > 2010-02-09, at 5:14 PM, Justin Steinberg <jsteinberg at gmail.com>
>> > wrote:
>> >
>> > i'm curious about what speed modem/fax transmission they can support.
>> > I've
>> > always heard the 5510s supported 14400 and anything above that was
>> > best effort. It would be nice if the new DSPs could transmit at SG3.
>> >
>> > Anyone know anything about that ?
>> >
>> > On Mon, Feb 8, 2010 at 3:57 PM, Peter Slow <peter.slow at gmail.com> wrote:
>> >>
>> >> yes, sp2600 DSPs are the PVDM3s. they are completely different
>> >> from the 5510 / PVDM2s and there are limitations as to their
>> >> coexistence within the same chassis. if you want to see what the
>> >> capabilities of your PVDM3 are, you can use the command "show voice dsp capabilities"
>> >> and see some interesting output. I'm not sure about the specific
>> >> video capabilities other than that there will be some. Ive heard
>> >> video specific rumors but since i don't know facts about them i'll
>> >> keep my yap shut ;)
>> >>
>> >> -Peter
>> >>
>> >> On Mon, Feb 8, 2010 at 9:30 AM, Lelio Fulgenzi <lelio at uoguelph.ca>
>> >> wrote:
>> >> >
>> >> > my 3945 is out of the box, and i needed to do a 'show voice dsp
>> >> > detailed' to get SP2600
>> >> >
>> >> > are they these?
>> >> >
>> >> > http://news.thomasnet.com/fullstory/552559
>> >> >
>> >> > ---
>> >> > Lelio Fulgenzi, B.A.
>> >> > Senior Analyst (CCS) * University of Guelph * Guelph, Ontario
>> >> > N1G 2W1
>> >> > (519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
>> >> >
>> >> > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>> >> > ^^^^^^ Cooking with unix is easy. You just sed it and forget it.
>> >> > - LFJ (with apologies to Mr.
>> >> > Popeil)
>> >> >
>> >> >
>> >> > ----- Original Message -----
>> >> > From: "Jason Shearer" <jshearer at amedisys.com>
>> >> > To: "Mark Holloway" <mh at markholloway.com>
>> >> > Cc: "Lelio Fulgenzi" <lelio at uoguelph.ca>,
>> >> > cisco-voip at puck.nether.net
>> >> > Sent: Monday, February 8, 2010 7:30:47 AM GMT -05:00 US/Canada
>> >> > Eastern
>> >> > Subject: RE: [cisco-voip] 3845 DSP
>> >> >
>> >> > Interesting. I'll see what info I can squeeze out of my account
>> >> > team.
>> >> > Definitely looks like a completely different architecture. Can
>> >> > someone that is running a PVDM3 get us a 'show voice dsp' to see
>> >> > what the chipset is?
>> >> >
>> >> >
>> >> >
>> >> > Jason
>> >> >
>> >> >
>> >> >
>> >> > From: Mark Holloway [mailto:mh at markholloway.com]
>> >> > Sent: Sunday, February 07, 2010 10:15 PM
>> >> > To: Jason Shearer
>> >> > Cc: Lelio Fulgenzi; cisco-voip at puck.nether.net
>> >> > Subject: Re: [cisco-voip] 3845 DSP
>> >> >
>> >> >
>> >> >
>> >> > Unfortunately the product specification for the PVDM2 and PVDM3
>> >> > are listed in two totally different formats. The PVDM2 product
>> >> > spec is very forthcoming in stating the PVDM2 uses Texas
>> >> > Instruments DSP and runs at either 200mhz or 175mhz. The
>> >> > specification for PVDM3 doesn't state what type of DSP is used
>> >> > or the clock cycles. It only says "Multicore DSP technology" -
>> >> > so I don't think Cisco wants to share that information right
>> >> > now. It's possible that once someone gets their hands on one
>> >> > they will know more information.
>> >> >
>> >> >
>> >> >
>> >> > It's not easy to find details about video and the PVDM3.
>> >> > Perhaps video conference mixing? The following is the closest
>> >> > thing I could find.
>> >> > "Video
>> >> > feature ready"
>> >> >
>> >> >
>> >> >
>> >> >
>> >> >
>> >> > On Feb 7, 2010, at 6:15 AM, Jason Shearer wrote:
>> >> >
>> >> > The PVDM2-64 and PVDM3-64 are the same price ($3200 list)
>> >> > although you can get them in much denser versions. Has anyone
>> >> > run into any problems or flakiness with the v3's? Are they
>> >> > running the same 5510 chipset?
>> >> >
>> >> >
>> >> >
>> >> > One thing that is interesting is that it says it is a "voice and
>> >> > video"
>> >> > DSP. What does this mean? Is it going to be able to transcode
>> >> > or mix video?
>> >> >
>> >> >
>> >> >
>> >> > Jason
>> >> >
>> >> >
>> >> >
>> >> >
>> >> >
>> >> > From: cisco-voip-bounces at puck.nether.net
>> >> > [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Mark
>> >> > Holloway
>> >> > Sent: Saturday, February 06, 2010 11:32 AM
>> >> > To: Lelio Fulgenzi
>> >> > Cc: cisco-voip at puck.nether.net
>> >> > Subject: Re: [cisco-voip] 3845 DSP
>> >> >
>> >> >
>> >> >
>> >> > The new PVDM3 modules are great. They are more expensive than
>> >> > PVDM2 of course, but they serve their purpose well.
>> >> >
>> >> >
>> >> >
>> >> > Conferencing, Transcoding, and Transrating Services
>> >> >
>> >> > The PVDM3 modules support digital voice connections, analog
>> >> > voice connections, conferencing, and universal transcoding
>> >> > services. The same DSPs on the PVDM3 modules can now support all
>> >> > the services with a single DSP image. In addition, the PVDM3
>> >> > supports a higher number of conference sessions and a higher
>> >> > number of participants per conference than the PVDM2.
>> >> > The PVDM3-256 can support up to 6 conferences with 64
>> >> > participants in each conference and up to 66 conferences with 8
>> >> > participants in each conference.
>> >> >
>> >> >
>> >> >
>> >> >
>> >> >
>> >> > <image001.png>
>> >> >
>> >> >
>> >> >
>> >> >
>> >> >
>> >> > On Feb 5, 2010, at 5:27 PM, Lelio Fulgenzi wrote:
>> >> >
>> >> >
>> >> > I believe you can configure only one software bridge per server,
>> >> > or in retrospect you can configure a server as a software bridge
>> >> > only once.
>> >> >
>> >> > I believe it takes some serious resources to run as a software
>> >> > bridge so you don't want to be doing it on your publisher or any
>> >> > subscribers that are close to capacity. If you have a standalone
>> >> > DHCP/TFTP server in your design, you should be able to get away
>> >> > with using that.
>> >> >
>> >> > A software bridge does not have the hardware limitations w/
>> >> > number of conference participants or number of conferences, but
>> >> > the system will just die if it can't keep up.
>> >> >
>> >> > I haven't done a cost analysis, but I still think it would be
>> >> > cheaper to buy a small router with lots of DSPs and use that
>> >> > than to install and maintain CCM box.
>> >> >
>> >> > ---
>> >> > Lelio Fulgenzi, B.A.
>> >> > Senior Analyst (CCS) * University of Guelph * Guelph, Ontario
>> >> > N1G 2W1
>> >> > (519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
>> >> >
>> >> > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>> >> > ^^^^^^ Cooking with unix is easy. You just sed it and forget it.
>> >> > - LFJ (with apologies to Mr.
>> >> > Popeil)
>> >> >
>> >> >
>> >> > ----- Original Message -----
>> >> > From: "Robert Shearrill" <rshearri at uchicago.edu>
>> >> > To: cisco-voip at puck.nether.net
>> >> > Sent: Friday, February 5, 2010 6:22:21 PM GMT -05:00 US/Canada
>> >> > Eastern
>> >> > Subject: [cisco-voip] 3845 DSP
>> >> >
>> >> > Can some one tell me if i remove all my hardware conf bridges,
>> >> > how many software conf bridges will i have and how are they
>> >> > used. I am version
>> >> > 7.1.2
>> >> > CCUM.
>> >> >
>> >> >
>> >> >
>> >> > How many software conf bridges do i have per server?
>> >> >
>> >> >
>> >> >
>> >> > Thanks
>> >> >
>> >> >
>> >> >
>> >> > Robert
>> >> >
>> >> > _______________________________________________ cisco-voip
>> >> > mailing
>> >> >
>> >> > list cisco-voip at puck.nether.net
>> >> > https://puck.nether.net/mailman/listinfo/cisco-voip
>> >> >
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>> >> >
>> >> >
>> >> >
>> >> >
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