Understanding Trunk Features Chapter 5: Trunk Planning and Ordering
60
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
The ShoreGear switches support PRI signaling using Euro-ISDN as well as other
international protocols. See Appendix A, starting on page 261.
5.3.9 SIP Trunks
SIP trunks are flexible trunks that support both inbound and outbound calls. SIP trunks are
logical trunk end points that only handle SIP call control. Media flows directly between the
call initiator and the call terminator.
SIP trunks support:
Inbound calls
Outbound calls
Extension, Tandem, and default destinations for inbound calls
Caller ID name
Caller ID number
DID
DNIS
By default, the “Enable SIP Info for G711 DTMF signaling” check box is off. This check
box must be enabled for ShoreTel-to-ShoreTel SIP tie trunks or for SIP devices that do not
support RFC 2833 for G711.
5.4 Understanding Trunk Features
The ShoreTel 8 system supports several different trunk types and trunk features. It is very
important to understand the features available on these trunks, since some services are
mutually exclusive. Table 5-3 shows each trunk type and the associated features
Feature
Analog
Loop-
Start
N.Am.
Analog
Loop-
Start
EMEA
Digital
Loop-
Start
Analog
Wink-
Start
Digital
Wink-
Start
T1
PRI
E1
PRI SIP BRI
Inbound:
Caller ID Number Yes No Yes Yes a
a. Via Automatic Number Identification (ANI).
YesaYes Yes Yes Yes
•Caller ID Name Yes No Yes No No YesbYes Yes Yes
Direct Inward Dial (DID) No No No Yes Yes Yes Yes Yes Yes
Dialed Number
Identification Service (DNIS)
No No No Yes Yes Yes Yes Yes Yes
Outbound:
Caller ID Blocked Yes
(CO)
Yes
(CO)
Yes
(CO)
N/A Yes
(CO)
Yes Yes Yes Yes
Caller ID Unblocked Yes
(CO)
Yes
(CO)
Yes
(CO)
N/A Yes
(CO)
Yes Yes Yes Yes
Caller ID Blocking Override
(*67, *82)
Yes cNo YescN/A No Yes No No No
Table 5-3 Trunk Features
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