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This handles when you have a single call or channel. Other commands will strip out the result if there is a single channel or call active because the output changes the noun to be singular instead of plural.
There are 3 alternatives - vote for the best!
Show active calls as the happen on an Asterisk server. Note that the Asterisk command (in single quotes) is formatted for Asterisk 1.6. Use the -n flag on the watch command to modify the refresh period (in seconds - default is 2 seconds).
Only the number of calls nothing else.
Works on asterisk 1.8.
If you can do better, submit your command here.
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