When calling over TAPI line, you sometimes need to predial a specific number to make an external call. In some cases, the TAPI driver is also passing this number to the TelephoneIntegration (TI) Client. If the TI Client Balloon then shows the PREDIAL NUMBER + REGULAR PHONE NUMBER instead of only the PHONE NUMBER.
To solve this issue, you must set 2 CRM server-side setting keys.
Settingskey 1: removeLeadingCharacterOnNumber with a cached value to true
Settingskey 2: removeLeadingChars with a cached value 0
The removeLeadingChars value can vary from case to case. Usually, the outside access numbers vary between 0 (zero) and 9 (nine).
Figure 1: MSCRM-addons.com Products TelephoneIntegration
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