It is often necessary to change (normalize) a number before performing an AD lookup. The vast majority of lookups require just the addition of +countrycode (i.e. +1 for the US) for a number that is already 10 digits (areacode+number). The Lync Line URI (msRTCSIP-Line) is different as it is always prepended with tel: and often postpended with ;ext=number. Since AD searches must be exact matches, the number must be corrected before the search. Below are some common normalization transformations. | Tip |
|---|
If Normalize Cache is configured to True, the tel: will automatically be removed from msRTCSIP-Line before the SBC caches the number. Setting Normalize Cache to True is recommended. |
If your Lync Line URI: looks like this: panel | 
