How To Fix T5038 - Version &1 of ext. telephony server has incorrect format

SAP Error Message - Details

• Message type: E = Error

• Message class: T5 - SAPphone: Messages for telephony

• Message number: 038

• Message text: Version &1 of ext. telephony server has incorrect format

What causes this issue?

The version number of the external telephony software must have the
format
A.BBCDDD.
This means that
A = Numerical, rounded up in the case of incompatible interface
changes
B = Numerical, rounded up in the case of larger, compatible
interface changes
C = Letters, changed in the case of small changes
D = Other characters, are not evaluated by SAPphone.
The version number is used to check compatibility in SAPphone. The
values of A, B and C should correspond to the version of the SAPphone
interface, for which the software was created or to which it was last
adapted.

System Response

It cannot be checked whether the SAPphone version and the external
version are compatible. Nevertheless, the system can be activated and
implemented. Errors and unsupported functions are possible, however.

How to fix this error?

Check whether a correct version of the external software has been
implemented.

Error message extract from SAP system. Copyright SAP SE.