In cosmetics and personal care products, Castor Oil and related ingredients are used in the formulation of many different cosmetic and personal care products including lipstick, skin-care products, and bath soaps.
A trunk line is a circuit connecting telephone switchboards (or other switching equipment), as distinguished from local loop circuit which extends from telephone exchange switching equipment to individual telephones or information origination/termination equipment.runking saves cost, because there are usually fewer trunk lines than extension lines, since it is unusual in most offices to have all extension lines in use for external calls at once. Trunk lines transmit voice and data in formats such as analog, T1, E1, ISDN or PRI.
So, a SIP Trunk is a virtual IP based trunk line that uses the Internet to make calls / receive calls to land-line numbers, cell phone numbers and other VOIP numbers.The SIP Trunk is terminated on the PBX (both IP PBX and supported Analog-Mixed PBX models) and the userâs call can be sent over the Internet. SIP Trunks come with their own telephone numbers, just like PSTN phone numbers which can be reached from anywhere. 2  It is possible to get a local phone number with a local area code (and) toll free numbers. 3  For each IP call, it is recommended to provision at least 80 kbps of upload / download Internet bandwidth.