Mail filters can operate on inbound and outbound email traffic. SMS marketing has both inbound and outbound marketing strategies. Sales scripts are used for both inbound and outbound sales. There are two types of telemarketing&colon; outbound and inbound. Compared with outbound marketing, inbound reverses the relationship between company and customer. Shipping plays a crucial role for inbound and outbound freight, both domestic and international. Cross-docking is the process of transferring goods directly from inbound trucks to outbound trucks. This call center has inbound/outbound sales agents, as well as online chat agents. The cable bus consists of two parallel coaxial cables, one inbound and the other outbound. In general inbound and outbound deals in Singapore are nearly equally distributed. Crude oil flows "inbound to Cushing from all directions and outbound through dozens of pipelines". A stop at Tenerife was included in the schedule both outbound and inbound. All in all over 43,150 deals have been completed national, inbound or outbound Australia. Transit agreements however would typically cater for just such outbound packets. Some pharmacies have unlisted tube station number(s) for the outbound station traffic.