VoIP Phone Systems: Design Extensions, Queues, and Call Flows
Yenra | Prepared October 3, 2026
Guide: https://yenra.com/voip-phone-system/

Purpose: record and test every branch of the caller journey.
Instructions: draw the path before configuration. Use external test calls and
an agreed window for queue/continuity tests. Restore normal settings afterward.

Public number reference / system / configuration version:
Time zone / open hours / holiday calendar / calendar owner:
Initial greeting and destination:
Menu options / silence route / invalid-input route:
Extension or shared destination / purpose / owner / deputy:
Ring group strategy and timeout:
Queue agents / presence behavior / opt-out policy:
No-agent route:
Full-queue route and configured limit:
Wait-time route and configured limit (seconds):
After-hours / holiday route:
Location-outage route and limitations:
Shared mailbox owner / capacity / message-return routine:
Transfer type and expected behavior:

Test matrix: branch | expected result | timestamp/time zone | observed result
Main entry:
Every menu choice:
Silence and invalid input:
Hold and transfers:
Voicemail deposit/retrieval:
No agents / queue full / timeout:
Closed / holiday / continuity:
Normal configuration restored and normal call passed:
Approved separate emergency-dialing/location review completed by:
Accepted by / date / remaining issues:

Sources and instructions: follow the guide links for context.
https://learn.microsoft.com/en-us/microsoftteams/aa-cq-plan-overview
https://learn.microsoft.com/en-us/microsoftteams/aa-cq-setup-call-queue