Installation guide

CHAPTER
ShoreTel 14.2 Planning and Installation Guide 329
18. Legacy Integration
ShoreTel provides a way to convert a TDM-based voice network into the ShoreTel system. Integrating
the ShoreTel system with an old PBX allows a customer with different systems to support phone and
voice mail communication between systems. This chapter describes how to migrate your legacy
system to the ShoreTel system. This chapter contains the following:
Overview ................................................................................................................. 331
Legacy PBX ............................................................................................................ 331
Coordinated Dialing................................................................................................. 332
Trunk Requirements................................................................................................ 332
Coordinated Dialing Plan ........................................................................................ 333
PSTN Services........................................................................................................ 334
Multi-Site Integration ............................................................................................... 334
Single Site Integration............................................................................................. 334
Consolidated Long Distance ................................................................................... 335
Voice Mail Integration.............................................................................................. 335
AMIS Protocol Support ..................................................................................... 335
SMDI Protocol Support..................................................................................... 336
Configuring Legacy Voice Mail Integration Using SMDI ................................... 339
Configuring ShoreTel Voice Mail Integration Using SMDI................................. 346
System Requirements............................................................................................. 353
Connection Cable.................................................................................................... 354
Special Considerations — Nortel PBX.............................................................. 354
Special Considerations — Avaya/Lucent PBX.................................................. 354
Administration and Configuration............................................................................ 354
Tie Trunk Configuration .................................................................................... 354