OpenPhone 27 Handset User Guide
Trunk flash
The Trunk Flash feature allows you to access Centrex features (if available) while you are talking
on an outside call.
To flash a trunk while talking on an outside call:
1. Press the
key.
2. Dial the Trunk Single Flash or Trunk Double Flash Feature Access code.
3. Wait for dial tone.
4. Dial the Centrex feature access code.
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