ISDN Command for Changing Channel Selection on IOS
Question
Due to provider requirements, outgoing calls from the Enterprise to the PSTN must start with channel 1
Which ISDN command changes the channel selection on IOS to meet this requirement?
Answers
Explanations
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A. B. C. D.B.
The correct answer is B. isdn bchan-number-order ascending.
ISDN (Integrated Services Digital Network) is a digital communication standard that allows for the transmission of voice and data over traditional telephone lines. B channels are the channels used for voice and data traffic on an ISDN connection.
In this scenario, the provider has a requirement that all outgoing calls from the enterprise to the PSTN must start with channel 1. This means that the ISDN connection must be configured to use channel 1 as the first channel for outgoing calls.
The isdn bchan-number-order command is used to specify the order in which B channels are used for outgoing calls. The ascending option specifies that the lowest channel number is used first, which in this case is channel 1. Therefore, the correct command to meet the provider requirement is isdn bchan-number-order ascending.
Option A, isdn bchan-number-order descending, would configure the ISDN connection to use the highest channel number first, which would not meet the provider requirement.
Option C, isdn protocol-emulate network, is used to emulate a particular ISDN protocol for testing purposes and is not related to channel selection.
Option D, isdn incoming-voice voice, is used to specify the type of voice encoding used on incoming calls and is also not related to channel selection.
