Calculating DSP resource- E1 only Gateway question

[iptuser55]

I currently have a router with the following modules

NM-HDV2-2T1/E1 with VWIC2 2MFT T1/E1 and a separate VWIC3-2MFT T1/E1

All to be used as E1 so giving 6x  E1 ports in a 3945 IOS 15.X router. The router will only be used for E1 no conf or transcoding. I looked at the DSP Calculator and it suggested I do not need any DSP`s - Is this correct ?

I just need a second opinion on this - If we do not do any conf or transcoding it seems no DSP are required? - Is this right

thanks

[acampbell]

Hi,

You seem to have 3 versions of this post

I have answered - Yes if you are using voice then you REQUIRE dsp resources.

Regards

Alex

[Rob Huffman]

Hi IPT,

I only factored in the VWIC2 2MFT T1/E1 & VWIC3-2MFT T1/E1 and

here are the results from the DSP calculator

     

Select Router and Software
Router Model	Select One 3945 3945E 3925 3925E 2951 2921 2911 2901 3845 3825 2851 2821 2811 2801
Router IOS	Select One15.1(4)M15.1(3)T15.1(2)T15.1(1)T15.0(1)M

		Maximum Supported	Voice Codecs
Slot 0 Interface Cards		Voice Channels	Low Complexity	Medium Complexity	High Complexity
Slot 0/0	EmptyVWIC3-2MFT-T1/E1(T1)VWIC3-2MFT-T1/E1(E1)VWIC3-1MFT-T1/E1(T1)VWIC3-1MFT-T1/E1(E1)VWIC3-2MFT-G703VWIC3-1MFT-G703VIC3-4FXS/DIDVIC3-2FXS-E/DIDVIC3-2FXS/DIDVIC3-2E/MHWIC-2CE1T1-PRI(T1)HWIC-2CE1T1-PRI(E1)HWIC-1CE1T1-PRI(T1)HWIC-1CE1T1-PRI(E1)VWIC2-2MFT-T1/E1(T1)VWIC2-2MFT-T1/E1(E1)VWIC2-1MFT-T1/E1(T1)VWIC2-1MFT-T1/E1(E1)VWIC2-2MFT-G703VWIC2-1MFT-G703VIC2-2BRI-NT/TEVIC2-4FXO(CAMA)VIC2-4FXO(FXO)VIC2-2FXO(CAMA)VIC2-2FXO(FXO)
Slot 0/1	EmptyVWIC3-2MFT-T1/E1(T1)VWIC3-2MFT-T1/E1(E1)VWIC3-1MFT-T1/E1(T1)VWIC3-1MFT-T1/E1(E1)VWIC3-2MFT-G703VWIC3-1MFT-G703VIC3-4FXS/DIDVIC3-2FXS-E/DIDVIC3-2FXS/DIDVIC3-2E/MHWIC-2CE1T1-PRI(T1)HWIC-2CE1T1-PRI(E1)HWIC-1CE1T1-PRI(T1)HWIC-1CE1T1-PRI(E1)VWIC2-2MFT-T1/E1(T1)VWIC2-2MFT-T1/E1(E1)VWIC2-1MFT-T1/E1(T1)VWIC2-1MFT-T1/E1(E1)VWIC2-2MFT-G703VWIC2-1MFT-G703VIC2-2BRI-NT/TEVIC2-4FXO(CAMA)VIC2-4FXO(FXO)VIC2-2FXO(CAMA)VIC2-2FXO(FXO)
Slot 0/2	EmptyVWIC3-2MFT-T1/E1(T1)VWIC3-2MFT-T1/E1(E1)VWIC3-1MFT-T1/E1(T1)VWIC3-1MFT-T1/E1(E1)VWIC3-2MFT-G703VWIC3-1MFT-G703VIC3-4FXS/DIDVIC3-2FXS-E/DIDVIC3-2FXS/DIDVIC3-2E/MHWIC-2CE1T1-PRI(T1)HWIC-2CE1T1-PRI(E1)HWIC-1CE1T1-PRI(T1)HWIC-1CE1T1-PRI(E1)VWIC2-2MFT-T1/E1(T1)VWIC2-2MFT-T1/E1(E1)VWIC2-1MFT-T1/E1(T1)VWIC2-1MFT-T1/E1(E1)VWIC2-2MFT-G703VWIC2-1MFT-G703VIC2-2BRI-NT/TEVIC2-4FXO(CAMA)VIC2-4FXO(FXO)VIC2-2FXO(CAMA)VIC2-2FXO(FXO)
Slot 0/3	EmptyVWIC3-2MFT-T1/E1(T1)VWIC3-2MFT-T1/E1(E1)VWIC3-1MFT-T1/E1(T1)VWIC3-1MFT-T1/E1(E1)VWIC3-2MFT-G703VWIC3-1MFT-G703VIC3-4FXS/DIDVIC3-2FXS-E/DIDVIC3-2FXS/DIDVIC3-2E/MHWIC-2CE1T1-PRI(T1)HWIC-2CE1T1-PRI(E1)HWIC-1CE1T1-PRI(T1)HWIC-1CE1T1-PRI(E1)VWIC2-2MFT-T1/E1(T1)VWIC2-2MFT-T1/E1(E1)VWIC2-1MFT-T1/E1(T1)VWIC2-1MFT-T1/E1(E1)VWIC2-2MFT-G703VWIC2-1MFT-G703VIC2-2BRI-NT/TEVIC2-4FXO(CAMA)VIC2-4FXO(FXO)VIC2-2FXO(CAMA)VIC2-2FXO(FXO)

Service / Network Modules
Slot 1	EmptyNM-HDV2-2T1/E1(T1)NM-HDV2-2T1/E1(E1)NM-HDV2-1T1/E1(T1)NM-HDV2-1T1/E1(E1)NM-HDV2NM-HD-2VENM-HD-2VNM-HD-1VEVM-HD-8FXS/DID
Slot 1/0	Empty
Slot 1/1	Empty
Slot 2	EmptyNM-HDV2-2T1/E1(T1)NM-HDV2-2T1/E1(E1)NM-HDV2-1T1/E1(T1)NM-HDV2-1T1/E1(E1)NM-HDV2NM-HD-2VENM-HD-2VNM-HD-1VEVM-HD-8FXS/DID
Slot 2/0	Empty
Slot 2/1	Empty
Slot 3	EmptyNM-HDV2-2T1/E1(T1)NM-HDV2-2T1/E1(E1)NM-HDV2-1T1/E1(T1)NM-HDV2-1T1/E1(E1)NM-HDV2NM-HD-2VENM-HD-2VNM-HD-1VEVM-HD-8FXS/DID
Slot 3/0	Empty
Slot 3/1	Empty
Slot 4	EmptyNM-HDV2-2T1/E1(T1)NM-HDV2-2T1/E1(E1)NM-HDV2-1T1/E1(T1)NM-HDV2-1T1/E1(E1)NM-HDV2NM-HD-2VENM-HD-2VNM-HD-1VEVM-HD-8FXS/DID
Slot 4/0	Empty
Slot 4/1	Empty

Are you using DSP sharing? Yes No
Are you using secure voice? Yes No

Are you using H.320? Yes No

Motherboard DSP type PVDM3 PVDM2

Start Over Clear Next

No resources available for H.320.

Router Slot 0
128KB	192KB	256KB	320KB	384KB
448KB	512KB	576KB	640KB	704KB
768KB	832KB	896KB	960KB	1024KB

Router Slot 1
128KB	192KB	256KB	320KB	384KB
448KB	512KB	576KB	640KB	704KB
768KB	832KB	896KB	960KB	1024KB

Router Slot 2
128KB	192KB	256KB	320KB	384KB
448KB	512KB	576KB	640KB	704KB
768KB	832KB	896KB	960KB	1024KB

Router Slot 3
128KB	192KB	256KB	320KB	384KB
448KB	512KB	576KB	640KB	704KB
768KB	832KB	896KB	960KB	1024KB

Router Slot 4
128KB	192KB	256KB	320KB	384KB
448KB	512KB	576KB	640KB	704KB
768KB	832KB	896KB	960KB	1024KB

Back Reset Next

Router: 3945 IOS: 15.1(2)T	Voice Codecs
Voice IP Services	Low Complexity	Medium Complexity	High Complexity
Transcoding
Universal Transcoding
Voice Conferencing	G.711	G.729	G.722	iLBC
8-Party
16-Party
32-Party
64-Party
Secure IP Services	Low Complexity	Medium Complexity	High Complexity
Secure Transcoding
Secure Universal Transcoding
Secure Voice Conferencing	G.711	G.729	G.722	iLBC
8-Party

Back Reset Next

Video Conferencing and Transcoding

Number of Video Conference Profiles:

Generate

Note: 720p is only available in Switched Video Conferences.

Number of Video Transcoding Profiles:

Generate

Sessions

Video Class 1

Video Class 2

Back Reset Next

Router: 3945

IOS: 15.1(2)T

DSP Modules Required:
	PVDM3-128: 1

DSP Module Allocation:
Router Slot 0:		120 Voice (94%) 8 Available (6%)
	PVDM Slot 0/0: PVDM3-128
Router Slot 1:
Router Slot 2:
Router Slot 3:
Router Slot 4:

Call Volume Allocation:
Router Slot 0		Low	Med	High
	Slot 0/0: VWIC3-2MFT-T1/E1(E1)	60
	Slot 0/1: VWIC2-2MFT-T1/E1(E1)	60

Video Conferencing and Transcoding:

Cheers!

Rob

[iptuser55]

thanks rob - seen my mistake forgot to put  in the number of channels - saw the system entered in 60 but that was only potential