transcoders for CME

Unanswered Question
Oct 2nd, 2008

Hi,

We have UC520 CME/CUE with SIP and SCCP phones. Alsco voicemail is configured.

Firstly all my codecs were alaw (and VM didn't work for SIP phones) but then we found that CUE supports only ulaw and the problem was solved - but then customer's demand was to work only with alaw.

We were looking for transcoding guides and all we found were more less sth like this:

voice-card 0

dspfarm

dsp services dspfarm

!

sccp local FastEthernet0/0

sccp ccm 10.1.11.4 identifier 1

sccp

!

sccp ccm group 1

associate ccm 1

associate profile 1 register mtp0013c3443150

!

dspfarm profile 1 transcode

codec g711ulaw

codec g711alaw

codec g729ar8

codec g729abr8

codec gsmfr

codec g729r8

maximum sessions 2

associate application SCCP

!

telephony-service

sdspfarm units 1

sdspfarm transcode sessions 4

sdspfarm tag 1 mtp0013c3443150

the problem is that we have:

sccp local Loopback0

and we don't know what to put under mac-address in

associate profile 1 register mtpXXXXXXXXXXXX.

We tried to put the mac-address of In0/0 (which has the IP address of Lo0) but that didn't help.

with sh sdspfarm units i get:

mtp-1 Device:MTP001E7A428161 TCP socket:[-1] UNREGISTERED

actual_stream:0 max_stream 0 IP:0.0.0.0 0 Unknown 0 keepalive 0

max-mtps:1, max-streams:4, alloc-streams:0, act-streams:0

Do u have any ideas how to resolve that?

or some other ideas how to solve this issue?

thx,

Jelena

I have this problem too.
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Marwan ALshawi Wed, 10/08/2008 - 07:52

try to mak it as following :

sccp local FastEthernet0/0

sccp ccm 10.1.11.4 identifier 1 version [put ur CME version here]

sccp

sccp ccm group 1

associate ccm 1 priority 1

associate profile 1 register mtp0013c3443150

!

dspfarm profile 1 transcode

codec g711ulaw

codec g711alaw

codec g729ar8

codec g729abr8

codec gsmfr

codec g729r8

maximum sessions 2

associate application SCCP

!

telephony-service

sdspfarm units 1

sdspfarm transcode sessions 4

sdspfarm tag 1 mtp0013c3443150

then let me know

good luck

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