Routing elements
117
System functions and features as of R3.0
syd-0367/1.3 – R3.0 – 03.2013
5. 2. 2 Routing Functions of the Trunk Group for Incoming
Calls
The following incoming routing functions are assigned to the trunk group:
• Restricting the number of calls incoming simultaneously per trunk group
• Routing a call to one of the following elements:
– Direct dialling plan (see page 124)
– Call distribution element (see page 128)
– Destination of the internal numbering plan (see page 189)
• Adapting the numbering plan identifier of an incoming call
Restricting the Number of Calls Incoming Simultaneously per Trunk
Group
Once the set limit is reached (Max. incoming calls setting), no more calls are routed
via the trunk group. This is signalled to the caller by means of the congestion tone.
After an initialization the limit is set to approx. 80% of the available B channels.
5. 2. 3 Trunk Group Identification Functions
The CLIP numbers of outgoing calls can be influenced by the settings in the trunk
group configuration. For more details see "CLIP with Outgoing Calls", page 84and
following.
Truncate CLIP
See "Trunk groups", page 95.
5. 2. 4 Other Trunk Group Functions and Settings
Name of the trunk group
Name is used to assign a name to each trunk group The name's main purpose is to
provide orientation It is displayed on some system phones whenever an outgoing
connection is set up.
Tip:
It is a good idea to name trunk groups according to the origin of their
lines (e.g. "Public ISDN", "Analogue", "Leased Line Geneva", etc.). This
ensures greater clarity during configuration work.
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