Cisco Cisco Unified Customer Voice Portal 11.0(1)

Figure 6: Standalone VXML Call Flow

1. New call is passed from PSTN to VXML Gateway.

2. VXML Gateway passes HTTP request to VXML Server.

3. VXML Server passes VXML document to VXML Gateway.

4. VXML Gateway executes appropriate script; passes HTTP request to VXML Server.

5. VXML Server passes VXML document to VXML Gateway.

6. VXML Gateway executes appropriate script; passes HTTP request to VXML Server.

7. VXML Server passes Request ICM Label for new call to ICM Service using internal

message bus (see the discussion in "Special Considerations for standalone Models with
ICM Lookup" just below).

8. ICM Service passes Request ICM Label for new call to Unified ICME; an ICM routing

script is invoked.

9. Unified ICME passes connect label to ICM Service.

10. ICM Service passes label to VXML Server.

11. VXML Server passes transfer request based on label to VXML Gateway.

12. VXML Gateway establishes audio connection with Unified CM.

13. Unified CM informs Unified ICME that call was received by agent.

Planning Guide for Cisco Unified Customer Voice Portal Cisco Unified Customer Voice Portal 4.1(1)