ShoreTel IP100 Spezifikationen PDF herunterladen (Seite 71)

Trunk Planning and Ordering

Planning and Installation Guide 5 – 3

Teleworker voice switches. Your organization may already have these installed,

and want to use them instead of ordering new loop-start trunks. If you have

Centrex lines and do not want to change your primary company telephone

number, you can keep Centrex lines. Centrex lines support Caller ID. Be sure to

remove the Centrex features, including call waiting, call forward, and voice mail.

Digital Loop-Start Trunks

Digital loop-start trunks are supported on the ShoreGear-T1 voice switch. These trunks

are typically used for inbound calls to the main telephone number that are directed to

an auto-attendant menu, company operator, or workgroup. A caller can route a call

from the auto-attendant to a user extension by entering the extension number or by

spelling the user’s name from the telephone keypad. Digital loop-start trunks are also

used to make outbound calls.

Digital loop-start trunks support:

• Inbound calls

• Outbound calls

• Caller ID number

• Caller ID name

• Caller ID blocking

Digital provisioning is provided by the loop-start protocol and Dual-Tone Multi-

Frequency (DTMF) signaling. The ShoreGear-T1 supports ESF or D4 framing formats

and B8ZS or AMI line coding.

Analog Wink-Start Trunks (Analog DID)

Analog wink-start trunks are supported on the ShoreGear-120/24, ShoreGear-40/8,

ShoreGear-60/12, and ShoreGear-Teleworker voice switches. These trunks allow

external callers to dial a user’s phone number directly, without having to use an auto-

attendant or operator. Analog wink-start trunks support only inbound calls; they are

not capable of handling outbound calls.

Analog wink-start trunks support:

• Inbound calls (outbound calls are not supported)

• ANI

• DID

• DNIS

Analog provisioning is provided by the wink-start protocol and Dual-Tone Multi-

Frequency (DTMF) signaling.

If ANI is being used, the star (*) key must be used to delimit the ANI digits from the

DID/DNIS digits—that is:

• <DID>

• <DNIS>

• *<ANI>*<DID/DNIS>*

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ShoreTel IP100 Spezifikationen Seite 71