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New Member

SIP to SIP transfer to CUE fails with Codec ILBC

ip phone ----  CME ------ CME ---- ip phone --> Successful

ip phone ----  CME ------ CME ---- CUE --> Fail

If I change the Codec to G711ulaw, it works fine, successful on both.  But if I change it to ILBC, which I want to run on my excessivly low bandwidth WAN link, it fails when the call is forwarded to voice mail.  I have seen multiple questions that were answered with, just change to G711, and this fixes everyones issue.  I know G711 works, I want ILBC to work.

1 ACCEPTED SOLUTION

Accepted Solutions
Cisco Employee

SIP to SIP transfer to CUE fails with Codec ILBC

alright, however your issue seems to be with a transcoder, Check on the SITEB status of the show SCCP

TCP states?

Transcoding Oper State: ACTIVE_IN_PROGRESS - Cause Code: TCP_CONN_ERROR

Active Call Manager: NONE

on both CME run below command

# no sccp

#sccp

and check again the status of the xcoder? if possible i would sugesst try to re-configure xcoder fro scratch.

use this as reference for configuration for transcoder

http://www.cisco.com/en/US/docs/voice_ip_comm/cucme/admin/configuration/guide/cmetrnsc.html

Do let me know if you if stuck anywhere


Br,
Nadeem 

Please rate all useful post.

Br, Nadeem Please rate all useful post.
11 REPLIES
Cisco Employee

SIP to SIP transfer to CUE fails with Codec ILBC

Hello Clark,

CUE by default works on G711 codec,that's why it works for you when you change the codec.

Do you have a xcoder configured to stream one audio to another?


Br,
Nadeem 

Please rate all useful post.

Br, Nadeem Please rate all useful post.
New Member

SIP to SIP transfer to CUE fails with Codec ILBC

I think I configured the xcoder correctly, see below, IP address listed is the IP address of the router local interface, is it supposed to be the IP address of the CUE?

2811 router, site A:

voice-card 0

dspfarm

dsp services dspfarm

!

sccp local FastEthernet0/0

sccp ccm 192.168.192.14 identifier 1 version 7.0

sccp

!

sccp ccm group 1

associate ccm 1 priority 1

associate profile 1 register TRANSCODER

!

dspfarm profile 1 transcode

codec g711ulaw

codec g711alaw

codec g729ar8

codec g729abr8

codec ilbc

maximum sessions 2

associate application SCCP

!

3725 Rouer, Site B:

!

voice-card 0

dspfarm

dsp services dspfarm

!

sccp local GigabitEthernet0/1.10

sccp ccm 192.168.10.1 identifier 1 version 7.0

sccp

!

sccp ccm group 1

associate ccm 1 priority 1

associate profile 1 register TRANSCODER

!

dspfarm profile 1 transcode

codec g711ulaw

codec g711alaw

codec g729ar8

codec g729abr8

codec ilbc

maximum sessions 2

associate application SCCP

!

Cisco Employee

Re: SIP to SIP transfer to CUE fails with Codec ILBC

No you do need to cue IP address

Can please paste the below command and config from router

Show sccp


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Br, Nadeem Please rate all useful post.
New Member

SIP to SIP transfer to CUE fails with Codec ILBC

Site A:

sh sccp

SCCP Admin State: UP

Gateway Local Interface: FastEthernet0/0

        IPv4 Address: 192.168.135.14

        Port Number: 2000

IP Precedence: 5

User Masked Codec list: None

Call Manager: 192.168.192.14, Port Number: 2000

                Priority: N/A, Version: 7.0, Identifier: 1

                Trustpoint: N/A

Transcoding Oper State: ACTIVE_IN_PROGRESS - Cause Code: TCP_CONN_ERROR

Active Call Manager: NONE

TCP Link Status: CONNECT_PENDING, Profile Identifier: 1

Reported Max Streams: 8, Reported Max OOS Streams: 0

Supported Codec: g711ulaw, Maximum Packetization Period: 30

Supported Codec: g711alaw, Maximum Packetization Period: 30

Supported Codec: g729ar8, Maximum Packetization Period: 60

Supported Codec: g729abr8, Maximum Packetization Period: 60

Supported Codec: ilbc, Maximum Packetization Period: 120

Supported Codec: rfc2833 dtmf, Maximum Packetization Period: 30

Supported Codec: rfc2833 pass-thru, Maximum Packetization Period: 30

Supported Codec: inband-dtmf to rfc2833 conversion, Maximum Packetization Period: 30

Site B:

show sccp

SCCP Admin State: UP

Gateway Local Interface: GigabitEthernet0/1.10

        IPv4 Address: 192.168.10.1

        Port Number: 2000

IP Precedence: 5

User Masked Codec list: None

Call Manager: 192.168.10.1, Port Number: 2000

                Priority: N/A, Version: 7.0, Identifier: 1

                Trustpoint: N/A

SCCP application services(dspfarm profiles) are not enabled

or haven't associated to SCCP CCM group

New Member

SIP to SIP transfer to CUE fails with Codec ILBC

I updated it with the IP address of the CUE, but it appears to be showing the same error:

Site A:

sh sccp

SCCP Admin State: UP

Gateway Local Interface: FastEthernet0/0

        IPv4 Address: 192.168.135.14

        Port Number: 2000

IP Precedence: 5

User Masked Codec list: None

Call Manager: 192.168.192.15, Port Number: 2000

                Priority: N/A, Version: 3.1, Identifier: 1

                Trustpoint: N/A

Transcoding Oper State: ACTIVE_IN_PROGRESS - Cause Code: TCP_CONN_ERROR

Active Call Manager: NONE

TCP Link Status: CONNECT_PENDING, Profile Identifier: 1

Reported Max Streams: 4, Reported Max OOS Streams: 0

Supported Codec: g711ulaw, Maximum Packetization Period: 30

Supported Codec: g711alaw, Maximum Packetization Period: 30

Supported Codec: g729ar8, Maximum Packetization Period: 60

Supported Codec: g729abr8, Maximum Packetization Period: 60

Supported Codec: ilbc, Maximum Packetization Period: 120

Supported Codec: rfc2833 dtmf, Maximum Packetization Period: 30

Supported Codec: rfc2833 pass-thru, Maximum Packetization Period: 30

Supported Codec: inband-dtmf to rfc2833 conversion, Maximum Packetization Period: 30

Cisco Employee

Re: SIP to SIP transfer to CUE fails with Codec ILBC

Sorry it was typo error

I mean you do not need put cue IP address

Sent from Cisco Technical Support iPhone App

Br, Nadeem Please rate all useful post.
Cisco Employee

Re: SIP to SIP transfer to CUE fails with Codec ILBC

Hello Clark

Here is the issue, Your xcoder is not working due to TCP connection is not established and error, due to which xcoder is not getting invoked and calls are getting failed due to codec mismatch as no one there to stream the audio from one to another.

Site A:

sh sccp

SCCP Admin State: UP

Gateway Local Interface: FastEthernet0/0

        IPv4 Address: 192.168.135.14

        Port Number: 2000

IP Precedence: 5

User Masked Codec list: None

Call Manager: 192.168.192.14, Port Number: 2000

                Priority: N/A, Version: 7.0, Identifier: 1

                Trustpoint: N/A

Transcoding Oper State: ACTIVE_IN_PROGRESS - Cause Code: TCP_CONN_ERROR

Active Call Manager: NONE

TCP Link Status: CONNECT_PENDING, Profile Identifier: 1

Reported Max Streams: 8, Reported Max OOS Streams: 0

Supported Codec: g711ulaw, Maximum Packetization Period: 30

Supported Codec: g711alaw, Maximum Packetization Period: 30

Supported Codec: g729ar8, Maximum Packetization Period: 60

Supported Codec: g729abr8, Maximum Packetization Period: 60

Supported Codec: ilbc, Maximum Packetization Period: 120

Supported Codec: rfc2833 dtmf, Maximum Packetization Period: 30

Supported Codec: rfc2833 pass-thru, Maximum Packetization Period: 30

Supported Codec: inband-dtmf to rfc2833 conversion, Maximum Packetization Period: 30

Where is CUE is located is it on SITEA or SITEB?


Br,
Nadeem 

Please rate all useful post.

Br, Nadeem Please rate all useful post.
New Member

SIP to SIP transfer to CUE fails with Codec ILBC

Each site has its own CUE.  They are not sharing.

Cisco Employee

SIP to SIP transfer to CUE fails with Codec ILBC

alright, however your issue seems to be with a transcoder, Check on the SITEB status of the show SCCP

TCP states?

Transcoding Oper State: ACTIVE_IN_PROGRESS - Cause Code: TCP_CONN_ERROR

Active Call Manager: NONE

on both CME run below command

# no sccp

#sccp

and check again the status of the xcoder? if possible i would sugesst try to re-configure xcoder fro scratch.

use this as reference for configuration for transcoder

http://www.cisco.com/en/US/docs/voice_ip_comm/cucme/admin/configuration/guide/cmetrnsc.html

Do let me know if you if stuck anywhere


Br,
Nadeem 

Please rate all useful post.

Br, Nadeem Please rate all useful post.
New Member

SIP to SIP transfer to CUE fails with Codec ILBC

You were right, improperly configured the transcoder.  I checked the web link you provided, but it was a little difficult to understand, so I searched for transcoder configurations and found this one:

https://supportforums.cisco.com/thread/290915

Dropped this on the routers and everything popped up working with no issues.   Thanks again for your help.

Cisco Employee

SIP to SIP transfer to CUE fails with Codec ILBC

Perfect Clark , Glad to hear that :-)

Br,
Nadeem 

Please rate all useful post.

Br, Nadeem Please rate all useful post.
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