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Audio delay issue using 2811 vg mtp resource but 2921 resource no problem.

KY_
Level 4
Level 4

Hi Everyone,

 

CUCM version :11.5.1.su5


On cisco 2800 vg i have strange  issue,  incoming pstn calls has delay problem on h323 gateway .

Calling party hear voice 7-8 seconds later using with following mtp configuration.  when i select following mtp resource on the gateway  there are audio delay issue  but  i change 2900 series gateway resource there is no problem.

NAME: "PVDMII DSP SIMM with Two DSPs on Slot 0 SubSlot 4", DESCR: "PVDMII DSP SIMM with Two DSPs"
PID: PVDM2-32          , VID: V01 , SN: FOC11073535

NAME: "PVDMII DSP SIMM with four DSPs on Slot 0 SubSlot 5", DESCR: "PVDMII DSP SIMM with four DSPs"
PID: PVDM2-64          , VID: V01 , SN: FOC124534534

****The problem happen following 2811 vg resource*****

sccp local FastEthernet0/0
sccp ccm 192.48.77.20 identifier 1 version 5.0.1
sccp ccm 192.49.77.21 identifier 2 version 5.0.1
sccp
!
sccp ccm group 1
 bind interface FastEthernet0/0
 associate ccm 1 priority 1
 associate ccm 2 priority 2
 associate profile 1 register XCODE_MERO
 associate profile 3 register MTP_MERO
 associate profile 2 register CFB_MERO
 switchback method graceful
!
dspfarm profile 1 transcode
 description XCODE_MERO
 codec g711ulaw
 codec g711alaw
 codec g729ar8
 codec g729abr8
 codec gsmfr
 maximum sessions 2
 associate application SCCP
!
dspfarm profile 2 conference
 description CFB_MERO
 codec g711ulaw
 codec g711alaw
 maximum sessions 7
 associate application SCCP
!
dspfarm profile 3 mtp
 description MTP_MERO
 codec g711ulaw
 maximum sessions software 500
 associate application SCCP

 


******on 29021 vg  resource there is no problem********



NAME: "PVDM3 DSP DIMM with 64 Channels on Slot 0 SubSlot 4", DESCR: "PVDM3 DSP DIMM with 64 Channels"
PID: PVDM3-64          , VID: V01 , SN: FOC19159X31

NAME: "PVDM3 DSP DIMM with 64 Channels on Slot 0 SubSlot 5", DESCR: "PVDM3 DSP DIMM with 64 Channels"
PID: PVDM3-64          , VID: V01 , SN: FOC1837575V

NAME: "Services Module with Services Ready Engine on Slot 1", DESCR: "Services Module with Services Ready Engine"
PID: SM-SRE-710-K9     , VID: V01 , SN: FOC19177A9S

NAME: "C2921/C2951 AC Power Supply", DESCR: "C2921/C2951 AC Power Supply"
PID: PWR-2921-51-AC    , VID: V03 , SN: QCS19070N69




sccp local GigabitEthernet0/0
sccp ccm 192.48.77.20 identifier 1 version 7.0
sccp ccm 192.49.77.21 identifier 2 version 7.0
sccp
!
sccp ccm group 1
 bind interface GigabitEthernet0/0
 associate ccm 1 priority 1
 associate ccm 2 priority 2
 associate profile 1 register CFB_CUBE
 associate profile 2 register XCODE_CUBE
 associate profile 3 register MTP_CUBE
!
dspfarm profile 2 transcode  
 codec g729abr8
 codec g729ar8
 codec g711alaw
 codec g711ulaw
 codec g729r8
 codec g729br8
 maximum sessions 1
 associate application SCCP
!
dspfarm profile 1 conference  
 codec g729br8
 codec g729r8
 codec g729abr8
 codec g729ar8
 codec g711alaw
 codec g711ulaw
 maximum sessions 7
 associate application SCCP
!
dspfarm profile 3 mtp  
 codec g711alaw
 codec pass-through
 maximum sessions hardware 10
 maximum sessions software 200
 associate application SCCP

 

 

Thanks advance...

1 Reply 1

Manish Gogna
Cisco Employee
Cisco Employee

Hi Kemal,

Have you tried upgrading the IOS or a reload of the 2811 yet? If yes, then basically this needs to be investigated via debugs and packet captures. You should get the following from the 2811 and 2901 for a test call each ( good and bad ) so that the signaling can be compared for both cases:

debug voice ccapi inout

detailed callmanager service traces 

HTH

Manish