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© Tieline Research Pty. Ltd. 2020
Genie Distribution WNET Manual v3
Dial and Answer Route Settings in Programs
Dial Route and Answer Route tags allow you to associate a B channel (or channels) in a Config
with a particular incoming audio stream from either Tieline G3 or non-Tieline codecs. This is not
necessary in simple point-to-point ISDN audio stream configurations, however it is very useful in
multiple audio stream codecs using multiple B channels. When dialing Tieline to Tieline over ISDN
using the Merlin or Genie family of codecs, you can configure a
Dial Route in the dialing codec's
program and a corresponding Answer Route in the answering codec's program. This will ensure a
particular audio stream is routed between two codecs consistently. This feature is not available in
Tieline G3 codecs, so an
Answer Route should be used for deterministic routing when receiving
calls from these codecs.
In principle, the concept of 'routes' operates similarly to how audio ports are used to route multiple
audio streams over IP. Selecting different IP audio port numbers allows users to define which
incoming IP audio stream is routed to a specific answering audio stream configuration on the codec.
This ensures inbound calls from multiple codecs can be consistently routed to the same answering
codec audio streams, and therefore the same inputs and outputs. Following is an example of how to
consistently route incoming ISDN audio streams using dial and answer routes.
Answer Routes for Non-Tieline (Sessionless) or Tieline G3 ISDN Calls
In some situations you may receive a call from a non-Tieline codec which doesn't support session
data and
Dial Route tags. In this situation you can still specify the audio stream Route on the
answering codec using Config 1-4 in ISDN Answer . You can also select the default algorithm.
For example, if a call from a non-Tieline codec is being received via B Channel 1 on Module 1 (i.e.
no Dial Route has been specified in the dialing codec):
1. Click to select a Config .
2. Select a Route for this B channel in one of the four Configs within the ISDN Answer panel,
e.g. Route1 , then select the default Non-Tieline Encoding algorithm to use when
answering calls from non-Tieline codecs (default setting is G.722 ).