Refer to the exhibit.

In Cisco UCM, an engineer must create a new SIP route pattern that must be reachable by all internal callers. The internal callers have a calling search space named CSSJNTERNAL that includes a partition named PTJNTERNAL. The SIP trunk has a calling search space named CSS_SIP_RP that includes the two partitions named PT_SIP_INTERNAL and PT_SIP_LOCAL What must be used as the route partition for the SIP route pattern?