[cisco-voip] PVDM

[Abebe Amare]

thank you all for your invaluable inputs.

Best regards,

Abebe
On May 21, 2014 6:17 PM, "Brian Meade" <bmeade90 at vt.edu> wrote:

> One thing to be aware of is some distributors will give you two 16 cards
> rather than one 32 when you buy the upgrade SKU.  Make sure to specifically
> request a single PVDM so that you can easily add another PVDM to the spare
> slot eventually when needed.
>
>
> On Wed, May 21, 2014 at 3:57 AM, James Buchanan <james.buchanan2 at gmail.com
> > wrote:
>
>> 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 <abucho at 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.buchanan2 at 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 <abucho at 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
>>>>>
>>>>>
>>>>>
>>>>> _______________________________________________
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>>>>> cisco-voip at puck.nether.net
>>>>> https://puck.nether.net/mailman/listinfo/cisco-voip
>>>>>
>>>>>
>>>>
>>>
>>
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>>
>
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