SARK UCS/MVP _ New Trunks (PTT_CLID) Panel is the place where new CLID switching instances are declared. This will create a regular trunk which is sensitive to the inbound _caller-id (CLID) rather than the Dialled Number ID (DNID). This allows the user to make switching decisions based upon the CLID. N.B. In order for this feature to work you will need to ensure that you have caller-id presentation enabled by your