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Customer calls transferred internally to supervisor - one way voice

Hi All,

We have the Hosted IPCC call center

IPCC 8.5(2)

CVP 8.5

UCM 8.5

It is SIP based configuration, We have a complaint from supervisor that sometimes agent receive the calls and transfrer to supervisor but supervisor could not able to listen the customer voice (one way voice), so customer getting angry and disconnected the call.

MTP is not been enabled on the SIP Trunk.

So please suggest something.

with Regards,

Manivannan

11 REPLIES

Customer calls transferred internally to supervisor - one way vo

Hi Manivannan,

Please refer the below CVP release notes,

http://www.cisco.com/en/US/docs/voice_ip_comm/cust_contact/contact_center/customer_voice_portal/cvp7_0/release/notes/cvp70rlsnts.pdf

There are couple of times one-way audio thing has been mentioned. Please check if it helps.

-Unified CVP requires the SIP trunk to be set for RFC2833 due to one-way audio issues found in testing.

-TelePresence caller dials into Unified CVP, receives audio-only IVR and/or queuing treatment, and then is transferred to an agent on an audio-only IP Phone. MTP must be enabled on the SIP trunk or else one-way audio is encountered.

Hope it helps,

Anand

Please rate the helpful posts by clicking on the stars below the right answers !!

Green

Customer calls transferred internally to supervisor - one way vo

How exactly is this transfer to the supervisor being done. Is the agent using CTIOS/CAD to start a consultative transfer to the number of the supervisor, and then completing the transfer? Or do you have a more complicated method of calling an internal Route Point (on CUCM) and running an ICM script to queue to a skill group of supervisors?

In almost every common case, enabling MTPs is not the right solution. In early versions of CVP, MTPs were needed for warm transfers but that was fixed.

Regards,

Geoff

Customer calls transferred internally to supervisor - one way vo

Agent is receiving the customer call and speaking

Agent is making another call to supervisor (through the ip phone to supervisor exension)

Agent is talking to supervisor

And Agent transfering the customer call to supervisor,

Now supervisor could not able to listen customer

Customer calls transferred internally to supervisor - one way vo

thanks for the information we are checking this

RFC2833

Customer calls transferred internally to supervisor - one way vo

Hi Manivannan,

Any luck after the above change?

Thanks,

Anand

New Member

Customer calls transferred internally to supervisor - one way vo

We have tried enabling RFC 2833 but the problem still persists. in the meanwhile i have found this document on Cisco site.

http://docwiki.cisco.com/wiki/Audio:_One-way_Voice_after_Agent_Transfer

http://www.cisco.com/en/US/tech/tk652/tk698/technologies_tech_note09186a008009484b.shtml

i have put the command

gateway(config)# conf t
gateway(config)#no voice-fastpath enable.

hope it will resolve the issue.

Regards,

Sandeep

Customer calls transferred internally to supervisor - one way vo

We have upgraded the IOS based on the Cisco TAC, problem is solved. Thanks for all

New Member

Customer calls transferred internally to supervisor - one way vo

Hi Manivannan

I am seeing the same problem with the same versions of UCCE,CVP,CUCM.

What version of IOS resolved your problem.

We tried the ET for this bug, CSCty88790, last night but no joy.

Thanks

Anthony

New Member

Customer calls transferred internally to supervisor - one way vo


What version of IOS resolved your problem.

AS5350XM---15.1(4)M4

Regards,

Sandeep

New Member

Customer calls transferred internally to supervisor - one way vo

Hi Sandeep,

Thanks for the reply

I Tried

15.1(4)M4

15.1(3)T2

15.1(2)T5

we have AS5350XM, 3800 and 2800 gateways all with the same problem.

However call flow is a bit different.

Instead of transferring to the supervisor phone directly the agent uses transfer init to an DN that routes up the SIP trunk

to CVP gets IVR treatment then connects to another agent. When the agent answers the agent can hear the caller but the caller cannot hear the agent.

Single step transfers work fine

Anthony

New Member

Customer calls transferred internally to supervisor - one way vo

Update.

Changed callflow by adding type 10 VRU label for UCM routing client. Added addidional DN for UCM routing client for transfer number. Add route pattern for type 10 VRU on UCM to SIP trunk to CVP.

http://developer.cisco.com/web/cvp/forums/-/message_boards/view_message/1057062

Thanks Geoff

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