[cisco-voip] 3845 DSP

Sandy Lee Sandy.Lee at dti.ulaval.ca
Mon Feb 8 08:52:46 EST 2010 

Sorry, forget about the output, wrong gateway.

________________________________

Sandy Lee
Analyste
Division des infrastructures
Direction des technologies de l'information
Université Laval
* 418.656.2131, ext. 4420
Courriel<mailto:Sandy.Lee at dti.ulaval.ca> - Nous joindre<http://www.dti.ulaval.ca/sgc/nous_joindre> - Avis relatif à la confidentialité<http://www.rec.ulaval.ca/lce/securite/confidentialite.htm>
VEUILLEZ PRENDRE NOTE DE MA NOUVELLE ADRESSE ÉLECTRONIQUE : Sandy.Lee at dti.ulaval.ca<mailto:Sandy.Lee at dti.ulaval.ca>

From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Sandy Lee
Sent: Monday, February 08, 2010 8:51 AM
To: Jason Shearer; Mark Holloway
Cc: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] 3845 DSP

Here you go:

GW#sh voice dsp

DSP  DSP                DSPWARE CURR  BOOT                         PAK     TX/RX
TYPE NUM CH CODEC       VERSION STATE STATE   RST AI VOICEPORT TS ABORT  PACK COUNT
==== === == ======== ========== ===== ======= === == ========= == ===== ============


----------------------------FLEX VOICE CARD 0 ------------------------------
                           *DSP VOICE CHANNELS*
DSP   DSP                DSPWARE CURR  BOOT                         PAK   TX/RX
TYPE  NUM CH CODEC       VERSION STATE STATE   RST AI VOICEPORT TS ABRT PACK COUNT
===== === == ======== ========== ===== ======= === == ========= == ==== ============
C5510 005 01 g711ulaw     4.4.32 busy  idle      0  0 0/0/1:23  07    0      759/765
C5510 005 02 g711ulaw     4.4.32 busy  idle      0  0 0/0/1:23  06    0      670/689

________________________________

Sandy Lee
Analyste
Division des infrastructures
Direction des technologies de l'information
Université Laval
* 418.656.2131, ext. 4420
Courriel<mailto:Sandy.Lee at dti.ulaval.ca> - Nous joindre<http://www.dti.ulaval.ca/sgc/nous_joindre> - Avis relatif à la confidentialité<http://www.rec.ulaval.ca/lce/securite/confidentialite.htm>
VEUILLEZ PRENDRE NOTE DE MA NOUVELLE ADRESSE ÉLECTRONIQUE : Sandy.Lee at dti.ulaval.ca<mailto:Sandy.Lee at dti.ulaval.ca>

From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Jason Shearer
Sent: Monday, February 08, 2010 7:31 AM
To: Mark Holloway
Cc: cisco-voip at puck.nether.net
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"

[cid:image001.png at 01CAA89C.156A6820]

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> [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<mailto: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<mailto:rshearri at uchicago.edu>>
To: cisco-voip at puck.nether.net<mailto: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

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