Cisco IP Phone 7800 Series Compatibility
The Cisco IP Phone 7800 Series has several supported hardware versions. Each hardware version has a specific minimum firmware release. You can't load an older firmware version on a phone that requires a newer firmware version.
The following table lists the minimum firmware load for each hardware version. In the table, X means no new firmware version is required.
|
Phone Model |
Hardware Version V01 |
Hardware Version V03 |
Hardware Version V04 |
Hardware Version V16 |
Hardware Version V18 |
Harware Version V20 |
Harware Version V25 |
|---|---|---|---|---|---|---|---|
|
7811 |
10.3(1) |
X |
X |
X |
X |
X |
X |
|
7821 |
10.2(1) |
10.3(1) |
X |
12.0(1) |
X |
14.0(1)SR3 |
14.1(1)SR1 |
|
7841 |
10.2(1) |
X |
10.3(1) |
12.0(1) |
14.0(1)SR2 |
14.0(1)SR3 |
X |
|
7861 |
10.2(1) |
10.3(1) |
X |
12.0(1) |
X |
14.0(1)SR3 |
X |
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