To alert attendant consoles or other digital telephones when a user places an emergency call, type alrt.
This call type is a normal China number 1 call type.
To designate an emergency call, type emer.
This call type is a normal China number 1 call type.
To designate a 10-digit North American Numbering Plan (NANP) call, type fnpa. NANP calls consist of 11 digits and a prefix digit of 1.
This call type is an attendant China number 1 call type.
To designate a 7-digit NANP call, type hnpa.
This call type is a normal China number 1 call type.
To designate a public network international number, type intl.
This call type is a toll-auto China number 1 call type.
To designate an international operator, type lop.
This call type is an attendant China number 1 call type.
To designate a non-NANP call, type natl.
This call type is a normal China number 1 call type.
To designate a national private call, type npvt.
This call type is a normal China number 1 call type.
To designate a national service call, type nsvc.
This call type is a normal China number 1 call type.
To designate an operator call, type op.
This call type is an attendant China number 1 call type.
To designate a public network number (E.164) unknown call, type pubu.
This call type is a normal China number 1 call type.
To designate a national(2) call, type svcl.
This call type is a toll-auto China number 1 call type.
To designate a national(2) call, type svct.
This call type is a normal China number 1 call type.
To designate a service call, first part control, type svft.
This call type is a local China number 1.
To designate a service call, first part control, type svfl.
This call type is a toll China number 1 call type.