SSS - Secondary Service Support

Identifies the features, functions or options associated with this DNAL.

NOTE 1: The access telephone number working with this feature will be provided in the ATN  field

NOTE 2: The TSC of the trunk Denotes a communications path connecting two switching systems in a network, used in the establishment of an end-to-end connection. group working with this feature will be provided in the ATN field.

VALID ENTRIES:

 B = Calling Directory Number Delivery via BCLID

M = Make Busy Arrangement - Lineside

N = Make Busy Arrangement - Trunkside

Q = Queuing

S = SMDI

T = SMDI Expanded

U = SMDI and MWI Activation - Visual

V = Message Waiting Indicator (MWI) Activation - Visual

W = Message Waiting Indicator (MWI) Activation - Audible

X = Message Waiting Indicator (MWI) Activation Expanded

Y = SMDI and MWI Activation - Audible

Z = SMDI Expanded and MWI Activation Expanded

USAGE: This field is conditional.

NOTE 1: Optional when the ACT field on the ASR Access Service Request Form  is "N" or "C" and the BSA field on the ASR Form is populated, otherwise prohibited.

DATA CHARACTERISTICS: 1 alpha character

EXAMPLE: W