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Cannot complete Conference Cisco CME

Hello I'm getting the error "cannot complete conference" on my Cisco phones. This started after I configured the Meet-Me feature in my CME. I thought I was out of resources so I added a new PVDM2-16 only for Meet-me. I know the problem is a configuration parameter but can't get it to work.

Here's the config parameters:

!
voice class custom-cptone leaving-tone
dualtone conference
  frequency 900 900
  cadence 150 50 150 50
!
voice class custom-cptone joining-tone
dualtone conference
  frequency 1000 1000
  cadence 150 50 150 50
!
sccp local GigabitEthernet0/1
sccp ccm 172.29.21.2 identifier 1 priority 1 version 7.0
sccp
!
sccp ccm group 1
associate ccm 1 priority 1
associate profile 1 register xcoder
associate profile 2 register CCconf
!       
dspfarm profile 1 transcode
codec g711ulaw
codec g711alaw
codec g729ar8
codec g729abr8
codec g729r8
maximum sessions 8
associate application SCCP
!
dspfarm profile 2 conference
codec g711ulaw
codec g711alaw
codec g729ar8
codec g729abr8
codec g729r8
codec g729br8
maximum sessions 6
conference-join custom-cptone joining-tone
associate application SCCP
!
!
telephony-service
sdspfarm units 5
sdspfarm transcode sessions 4
sdspfarm tag 1 xcoder
sdspfarm tag 2 CCconf
conference hardware
max-ephones 100
max-dn 100
ip source-address 172.29.21.2 port 2000
max-redirect 11
url services http://172.29.21.25/voiceview/common/login.do
url authentication http://172.29.21.25/voiceview/authentication/authenticate.do
load 7910 P00405000700
load 7960-7940 P0030702T023
load 7941 SCCP41.8-4-2S.loads
load 7945 SCCP45.8-4-2S.loads
time-zone 12
voicemail 7953
max-conferences 8 gain -6
call-forward pattern .T
dn-webedit
time-webedit
transfer-system full-consult
transfer-pattern .T
after-hours day Mon 00:00 23:59
after-hours day Tue 00:00 23:59
after-hours day Wed 00:00 23:59
after-hours day Thu 00:00 23:59
after-hours day Fri 00:00 23:59
after-hours override-code 1630
create cnf-files version-stamp 7960 Aug 25 2009 14:14:08
!
ephone-dn  80  dual-line
number 3399 secondary 12142722899
conference meetme
no huntstop
!
!
ephone-dn  81  dual-line
number 3399 secondary 12142722899
conference meetme
preference 1
no huntstop
!
!
ephone-dn  82  dual-line
number 3399 secondary 12142722899
conference meetme
preference 2
no huntstop
!
!
ephone-dn  83  dual-line
number 3399 secondary 12142722899
conference meetme
preference 3
no huntstop
!

show dspfarm all


Dspfarm Profile Configuration

Profile ID = 1, Service = TRANSCODING, Resource ID = 1
Profile Description :
Profile Service Mode : Non Secure
Profile Admin State : UP
Profile Operation State : ACTIVE
Application : SCCP   Status : ASSOCIATED
Resource Provider : FLEX_DSPRM   Status : UP
Number of Resource Configured : 8
Number of Resource Available : 8
Codec Configuration
Codec : g711ulaw, Maximum Packetization Period : 30
Codec : g711alaw, Maximum Packetization Period : 30
Codec : g729ar8, Maximum Packetization Period : 60
Codec : g729abr8, Maximum Packetization Period : 60
Codec : g729r8, Maximum Packetization Period : 60
Dspfarm Profile Configuration

Profile ID = 2, Service = CONFERENCING, Resource ID = 2
Profile Description :
Profile Service Mode : Non Secure
Profile Admin State : UP
Profile Operation State : ACTIVE
Application : SCCP   Status : ASSOCIATED
Resource Provider : FLEX_DSPRM   Status : UP
Number of Resource Configured : 6
Number of Resource Available : 6
Codec Configuration
Codec : g711ulaw, Maximum Packetization Period : 30 , Transcoder: Not Required
Codec : g711alaw, Maximum Packetization Period : 30 , Transcoder: Not Required
Codec : g729ar8, Maximum Packetization Period : 60 , Transcoder: Not Required
Codec : g729abr8, Maximum Packetization Period : 60 , Transcoder: Not Required
Codec : g729r8, Maximum Packetization Period : 60 , Transcoder: Not Required
Codec : g729br8, Maximum Packetization Period : 60 , Transcoder: Not Required
!

Everyone's tags (3)
1 ACCEPTED SOLUTION

Accepted Solutions
Cisco Employee

Re: Cannot complete Conference Cisco CME

Hi Jose,

  Could you configure the meetme number as none existing number in the directory. For example,

ephone-dn  179  dual-line
number A000
description ad-hoc
conference ad-hoc
no huntstop

6 REPLIES
Cisco Employee

Re: Cannot complete Conference Cisco CME

Are you using SCCP or SIP phones in CME??

New Member

Re: Cannot complete Conference Cisco CME

Hello Selvakumar, Im using SCCP Phones.

Best,

Jose

Cisco Employee

Re: Cannot complete Conference Cisco CME

Hi Jose,

  Could you configure the meetme number as none existing number in the directory. For example,

ephone-dn  179  dual-line
number A000
description ad-hoc
conference ad-hoc
no huntstop

New Member

Re: Cannot complete Conference Cisco CME

Thank you very much Selvakuma, I added the config below:

!
ephone-dn  81  octo-line
number A0001
name Conference
conference ad-hoc
!

I just read if you are using hardware conference, you need to configure a DN specific for ad-hoc conferencing.

Thanks a lot for your prompt response.

Regards,

Jose

Re: Cannot complete Conference Cisco CME

Hi Jose,

Two concepts are here:

     1. If you are using MeetMe conferencing, dont use the same number for multiple DN with preferences. Better use different DN without any preference command.

     2. If you are using Adhoc conferencing, you can still use the method.

I can see you are following meetme concept so please test once as per #1.

Also dont forget to configure the max-session under dspfarm profile equals to max-conference under telephony-service. And the best practice is to match the number of conference DN equals to max-session under telephony-service/dspfarm profile.

HTH.

Mijanur Rahman

New Member

Re: Cannot complete Conference Cisco CME

Thanks a lot for your comments Mijanur, the max-conference was already configured under dspfarm profile.

best,

Jose

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