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The following table describes the IP Deskphone behaviors that occur when receiving a call from an external source with higher precedence than the presented current calls and no call appearances are available.
Table 21: When a preemption call is received from an external source
Call state | Preemption behavior | |
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While on an active |
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|
call/music on hold | 1. | Preemption tone is played through the |
|
| handsfree speaker. |
| 2. | The active call is removed. |
| 3. | The preemption acknowledgment screen |
|
| is displayed. See Figure 86, "Preemption |
|
| acknowledgement screen", on page 373. |
| 4. | When the preemption call is |
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| acknowledged by pressing OK or after 5 |
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| minutes, the preemption tone is ended |
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| and the new preemption precedence call |
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| is displayed. |
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|
|
While a call is on hold |
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|
(remote or local) | 1. | Preemption tone is played through the |
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| handsfree speaker. |
| 2. | The new preemption precedence call |
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| screen is displayed. |
| 3. | 3.When preemption is acknowledged (or |
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| after 3 seconds), the preemption tone |
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| stops. |
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|
|
An incoming call is |
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|
ringing | 1. | The incoming call is removed. |
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|
|
374