Installation guide

CHAPTER
ShoreTel 14.2 Planning and Installation Guide 85
5. Trunk Planning and Ordering
This chapter provides information about trunk planning and ordering in the following sections:
Recommendations .................................................................................................... 87
Reviewing and Selecting Trunk Types ...................................................................... 87
Analog Loop-Start Trunks (North America)......................................................... 88
Analog Loop-Start Trunks (EMEA) ..................................................................... 89
Digital Loop-Start Trunks .................................................................................... 89
Analog Wink-Start Trunks (Analog DID) ............................................................. 90
Digital Wink-Start Trunks .................................................................................... 90
BRI Trunks.......................................................................................................... 91
T1 PRI Trunks..................................................................................................... 91
E1 PRI Trunks .................................................................................................... 92
SIP Trunks .......................................................................................................... 93
Understanding Trunk Features.................................................................................. 93
Caller ID Number................................................................................................ 94
Caller ID Name ................................................................................................... 95
Automatic Number Identification (ANI) ............................................................... 95
Direct Inward Dial (DID)...................................................................................... 95
Dialed Number Identification Service (DNIS)...................................................... 96
Outbound Caller ID............................................................................................. 96
Tandem Trunking................................................................................................ 97
Tie Trunks........................................................................................................... 97
Performing Traffic Calculations ................................................................................. 97
Ordering Telephone Service...................................................................................... 98
Analog Service ................................................................................................... 98