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Community Member

Transcoder without Call Manager

Hi All,

I need to know if i can create transcoder and use it without using callmanager. I have two voip system and I need to connect them using Cisco router but these two system use different codecs so I need to create transcoder to solve this.

8 REPLIES
Cisco Employee

Re: Transcoder without Call Manager

You can use a CUBE

Transcoding on the Cisco Unified Border Element

http://www.cisco.com/en/US/products/sw/voicesw/ps5640/products_configuration_example09186a00808ead0f.shtml#transcoding

HTH

java

If this helps, please rate

www.cisco.com/go/pdihelpdesk

HTH

java

if this helps, please rate

www.cisco.com/go/pdi
Community Member

Re: Transcoder without Call Manager

thank you too much but I have some questions:

regarding the configuration I found the following:



telephony-service

load 7960-7940 P00303020214

max-ephones 48

max-dn 48

ip source-address 200.1.1.100 port 2000

sdspfarm units 1

sdspfarm transcode sessions 50

sdspfarm tag 1 MTP123456782012

create cnf-files version-stamp 7960 Jul 29 2002 13:50:03

============================================================

Can I say I have to make virtual CME to handle the transcoding and MTP??

VIP Super Bronze

Re: Transcoder without Call Manager

Can I say I have to make virtual CME to handle the transcoding and MTP??

No. The CME process only handles locally-registered phones and associated features. You will need to use CUBE to resolve the session border needs.

Community Member

Re: Transcoder without Call Manager

Thank you Jonathan for your  reply,

but I did not understand what you mean exactly

if I configured the transcoder how I can tell the cube to use it ( how I can invoke the transcoder?)

and why I need to put the telephony service configuration ?

Community Member

Re: Transcoder without Call Manager

Any body can give me more clarification?

if I configured the transcoder how I can tell the cube to use it ( how I can invoke the transcoder?)

and why I need to put the telephony service configuration ?

Re: Transcoder without Call Manager

There was a hint in a "CUBE - ask the expert" on that.

https://supportforums.cisco.com/thread/136540

"CUBE xcoding is triggered purely by a codec mismatch between the two VoIP dial-peers"

Cisco Employee

Re: Transcoder without Call Manager

The XCODER is SCCP managed, so it forcefully needs CUCM or CME.

That's why you need the telephony service config.

HTH

java

If this helps, please rate

www.cisco.com/go/pdihelpdesk

HTH

java

if this helps, please rate

www.cisco.com/go/pdi
Community Member

Re: Transcoder without Call Manager

Thank you Martin and javalenc for your support and 5 points for each 

but I have one question:

If I have CUBE configured in the CUCM as H323 gateway and in it is connected to SIP provider. In CUCM GW configuration page I checked required MTP and in the same time I configured MTP or Transcoder using DSPs and I registered it with telephony service not with CUCM which MTP the CUBE will use.

I am asking about this because I do not know what is the exact behavior for checking MTP required in CUCM, Dose the CUBE use it for incoming and outgoing calls or one of them?

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