Preparing the Phone System 3-7Octel Overture 200/300 Serenade 3.0PB60014–01Ordering PE Trunking ChangesContact the customer about making arrangements for changes in trunking. Typically, these changesrequire significant lead time. The PE requires an agency letter from the customer authorizing you to acton their behalf.Figure 3-4 is a sample agency letter you may want to use.Figure 3-4 Sample Agency Letter for PE ChangesOn this date we have entered into a contractual agreement with (theOctel Overture 200/300 supplier) to be our communicationsrepresentative relating to all voice grade telecommunication needs. Thisagreement is for an indefinite period.(The Octel Overture 200/300 supplier) may order connection anddisconnection of telephone-company provided services and equipment.We hereby acknowledge that (the Octel Overture 200/300 supplier)may obligate us for installation and other charges that may appear onour telephone bill.This authorization does not preclude our ability to act on our ownbehalf as necessary.Please contact (contact name) of (the Octel Overture 200/300supplier) at (address, phone number, and extension) if you have anyquestions.(Customer’s Name)(TITLE)(COMPANY)DATE:All concerned operating telephone companies and othercommon carriersATTENTION: SupervisorTO: