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In CRS 3.x, a redirected call disconnects or does not ring the IP phone where it was directed

Core Issue

Some gateways do not support ringback.

Resolution

To reconfigure the gateway and protocols so that they support ringback, refer to this table:

Gateway Protocol
      

26XX Foreign Exchange Office (FXO)

      
      

Media Gateway Control

      
      

36XX FXO

      
      

Media Gateway Control

      
      

VG200 FXO

      
      

Media Gateway Control

      
      

DT-24+

      
      

Skinny

      
      

WS-6608-T1(Catalyst 6K 8-port T1 PRI)

      
      

Skinny

      
      

WS-6608-E1 (Catalyst 6K 8-port E1 PRI)

      
      

Skinny

      
      

DE-30+

      
      

Skinny

      
      

AT-2, 4, 8

      
      

Unknown

      

For more information on resolving Cisco Customer Response Applications (CRA) and Customer Response Solutions (CRS), refer to these documents:

Problem Type

Voice applications  (CRS, PA, CCM Plugins, CER, CCC, MeetingPlace, etc.)

Call connection  (Connection quality: One-way audio, no busy tone, dropped calls, etc.)

IP phones and other clients  (Client registration, faulty IP phone, etc.)

Call Connection

Call connection establishment

Call redirection (Transfer, hold, forward, conference)

Dropped or disconnected calls

IP Phones and Clients

IP phone faulty operation

Failure Type

Drops out, times out, flaps, toggles, hangs, gets stuck, locks up, loops, temporary pause, stops responding, cuts short, etc.

Nothing plays: Missing tone, music, greeting, prompt, message, announcement, etc.

Bad operational behavior

End Where Problem is Heard or Device Type Involved

IP phone

Customer Response Solution (CRS) Version

CRS 3.x

Customer Response Solution (CRS) Applications

IP Contact Center (IPCC) Express (formerly IP ICD)

Customer Response Solutions (CRS) Components

CRA engine

Voice Applications

IP contact center (IPCC) express

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