Exactly. However, you may want to price adding the 64-channel versus upgrading the 16 to a 64 and adding a 32. It'll probably be close in price, but just compare. An alternative would be to just upgrading the 16 to a 128, and that would leave you a free slot for more DSPs in the future.
On Wed, May 21, 2014 at 9:53 AM, Abebe Amare <abu...@gmail.com> wrote: > Thanks James for the explanation. > From your reply I understand that I have a 32 channel DSP on the > PVDM3-16U32. If I purchase a PVDM3-64, on top of the existing one, I will > have 96 channels. Is that correct? > > best regards, > > Abebe > > On Wed, May 21, 2014 at 10:22 AM, James Buchanan < > james.buchan...@gmail.com> wrote: > >> Hello, >> >> They are taking the 16-channel DSP and upgrading it to 32-channels. >> >> The number of DSP channels you need depending on how many channels of the >> PRI you intend to use, plus conferencing and transcoding. This particular >> VWIC card can do 60 channels as an E1 and 48 channels as a T1. Do you >> intend to configure two PRIs? If so, you need one DSP channel per T1/E1 >> channel as a minimum. I would recommend upgrading the 32 channels to a >> minimum of 96 channels so that you have enough resources for both T1/E1 >> ports plus transcoding and conferencing. >> >> Now, the number of DSP channels also depends on what codec you intend to >> use. For example G.729 is a high-density codec, meaning that more DSP >> channels might be required for transcoding. G.729b does not use as many DSP >> channels. >> >> I hope this helps! >> >> James >> >> >> On Wed, May 21, 2014 at 9:14 AM, Abebe Amare <abu...@gmail.com> wrote: >> >>> Hi everyone, >>> >>> The following is a snippet from the detail order for Cisco 2901 voice >>> router: >>> >>> 1. C2901-CME-SRST/K9 - 2901 Voice Bundle w/ PVDM3-16,FL-CME-SRST-25, UC >>> License PAK >>> 2. PVDM3-16U32 - PVDM3 16-channel to 32-channel factory upgrade >>> >>> What does the PVDM3-16U32 mean? is it a separate PVDM or license? also >>> if I want to purchase a VWIC3-2MFT-T1/E1, what is the PVDM3 type I have to >>> get? (I dont have the right login credentials to use DSP calculator) >>> >>> best regards, >>> >>> Abebe >>> >>> >>> >>> _______________________________________________ >>> cisco-voip mailing list >>> cisco-voip@puck.nether.net >>> https://puck.nether.net/mailman/listinfo/cisco-voip >>> >>> >> >
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