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 <[email protected]>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 <[email protected]> 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 >> [email protected] >> https://puck.nether.net/mailman/listinfo/cisco-voip >> >> >
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