1.5 Making Call FeaturesFeature Guide 571.5.4.7 Special Carrier Access CodeDescriptionIf the PBX has access to multiple telephone companies, a Special Carrier Access code assigned throughsystem programming (→ Special Carrier Access Code [303]) is required every time a CO line call is made.A pause of a preprogrammed length (→ LCOT Pause Time [416]) will be automatically inserted betweenthe user-dialed Special Carrier Access code and the following digits. (→ 1.5.4.5 Pause Insertion)Conditions• TRSTRS checks only the dialed telephone number excluding the Special Carrier Access code. (→ 1.8.1 TollRestriction (TRS))• If this PBX is installed behind an existing host PBX:A Special Carrier Access code and a Host PBX Access code should be assigned separately—thesecodes cannot be assigned together as one code. (→ 1.5.4.6 Host PBX Access Code (Access Code tothe Telephone Company from a Host PBX))1.5.5 Seizing a Line Features1.5.5.1 Seizing a Line Features—OVERVIEWDescriptionAn extension user can select the line that is seized in order to make a call, using one of the followingfeatures.1.5.5.2 Line Preference—OutgoingDescriptionThrough personal programming, a proprietary telephone (PT) user can select the preferred method ofseizing a line (Preferred Line Assignment—Outgoing) that is used each time the user goes off-hook.Feature Description Details inLine Preference—OutgoingA user can select the line seized when going off-hook. • 1.5.5.2 LinePreference—OutgoingCO Line Access A user can select the CO Line Access method every timea CO line call is made.• 1.5.5.3 CO LineAccessMethod DescriptionIntercom When an extension user goes off-hook, an extension line is selectedautomatically.
