Email customised missed call notification

Currently, all calls that are not answered — including those that fail or are abandoned before ringing the agent — are classified and notified as missed calls. This creates confusion, as users are prompted to investigate calls that were never actually missed by an agent.

Proposed Enhancement:
Revise the email notification and categorization logic to distinguish between different call outcomes for greater clarity and accuracy.

Suggested Behavior:

1. Missed Call:

   • If the phone rang and the agent did not pick up, classify as a missed call.

   • This should generate a missed call email and appear in the Missed Calls list.

2. Abandoned or Failed Call:

   • If the phone did not ring and the call was either abandoned or failed, the email should reflect this specific outcome (e.g., Call Abandoned or Call Failed).