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DSP Farm

Hi all,

Before I spend days trying to make sense of Cisco's docs I'm hoping someone can point me in the right direction.

We've got a 2811 with a PVDM2-32 and a VIC2-2BRI-TE/NT card to terminate the ISDN2 we have in the UK. I've got it

all working in terms of dial plans but all calls I make / receive have pretty bad call quality. I've now started to set-up a

dspfarm with mixed success, I'm told it's successfully registered when I issue dspfarm all, however calls don't seem to

use the dspfarm as no sessions appear active when I make calls, i.e. show dspfarm dsp active always shows 0.

I'd appreciate it very much if someone could at least give me some advice as to what I need to do. I can't find anything

on the Cisco docs.

unitrouter#show dspfarm all

Dspfarm Profile Configuration

Profile ID = 1, Service = TRANSCODING, Resource ID = 1

Profile Description :

Profile Admin State : UP

Profile Operation State : ACTIVE

Application : SCCP   Status : ASSOCIATED

Resource Provider : FLEX_DSPRM   Status : UP

Number of Resource Configured : 10

Number of Resource Available : 10

Codec Configuration

Codec : g711alaw, Maximum Packetization Period : 30

Codec : g711ulaw, Maximum Packetization Period : 30

Codec : g729abr8, Maximum Packetization Period : 60

Codec : g729ar8, Maximum Packetization Period : 60

Dspfarm Profile Configuration

1 Accepted Solution

Accepted Solutions

acampbell
VIP Alumni
VIP Alumni

James,

ISDN 2 (BRI)UK.

You need to change the compand on the voice-port.

!

voice-port 1/0/0

compand-type a-law

no comfort-noise

cptone GB

!

Hope this helps

Alex

Regards, Alex. Please rate useful posts.

View solution in original post

2 Replies 2

acampbell
VIP Alumni
VIP Alumni

James,

ISDN 2 (BRI)UK.

You need to change the compand on the voice-port.

!

voice-port 1/0/0

compand-type a-law

no comfort-noise

cptone GB

!

Hope this helps

Alex

Regards, Alex. Please rate useful posts.

Fantastic!!!!

We've had this line for months and I'd given up hope...

Many many thanks,

James