Installation guide

92 Planning and Installation Guide ShoreTel 14.2
Trunk Planning and Ordering E1 PRI Trunks
5
PRI trunks support the following:
 Inbound calls
 Outbound calls
 DID
 DNIS
 Caller ID number
 Caller ID name is supported for NI-2 configured trunks
 QSIG – Calling name is supported if the standard is similar to NI2
 Inbound calling name is fully supported, but outbound calling name is only supported for Off-
System Extension calls
Digital provisioning is provided by the PRI protocol and D-channel signaling. ShoreTel Voice Switch
supports the following:
 DMS-100, 4ESS, 5ESS, and NI-2 signaling types
 ESF or D4 framing formats
 B8ZS or AMI line coding.
The NFAS and Call-by-Call features are not supported.
E1 PRI Trunks
E1 PRI trunks are flexible trunks that support both inbound and outbound calls for international
locations.
E1 PRI trunks support the following:
 Inbound calls
 Outbound calls
 DID
 DNIS
 Caller ID number
 Caller ID name is supported for NI-2 configured trunks
 QSIG – Calling name is supported if the standard is similar to NI2
 Inbound calling name is fully supported, but outbound calling name is only supported for Off-
System Extension calls