How To Fix T5106 - Dialed number &1 could not be assigned to a telephony server

T5106 - Overview

• Message type: E = Error

• Message class: T5 - SAPphone: Messages for telephony

• Message number: 106

• Message text: Dialed number &1 could not be assigned to a telephony server

What causes this issue?

The called number &V1& was converted to number &V2& according to the
conventions for number conversion in the case of inbound calls. This
number was compared with the number prefixes of all known telephony
servers. No matching entries were found.
There are a number of possible causes:
The called number was entered incorrectly or transferred incorrectly by
the telephone system.
The rules for number conversion for inbound calls have been maintained
incorrectly.
The number prefixes of the sites have been maintained incorrectly.

System Response

Without a telephony server ID, the extension number and therefore the
work center and the user cannot be determined.

How to fix this error?

You should check the called number.
You should check the rules for number conversion in the case of inbound
calls.
You should check the number prefixes of the sites.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message T5106 - Dialed number &1 could not be assigned to a telephony server ?

  The SAP error message T5106, which states "Dialed number &1 could not be assigned to a telephony server," typically occurs in the context of SAP's integration with telephony systems, particularly when using the SAP Telephony Integration (CTI) framework. This error indicates that the system is unable to route a call to the specified dialed number because it cannot find a corresponding telephony server that can handle that number.
  Causes:
  
  
  Configuration Issues: The telephony server may not be properly configured in the SAP system. This includes missing or incorrect settings in the telephony integration configuration.
  Dialed Number Not Mapped: The dialed number may not be mapped to any telephony server in the system. This can happen if the number is not included in the telephony server's configuration.
  Telephony Server Down: The telephony server that is supposed to handle the call may be down or not reachable.
  Network Issues: There may be network connectivity issues preventing the