The phrase "customary channel" is correct and can be used in written English.
It refers to a traditional or usual method or path of communication or action that is commonly accepted or expected in a certain situation. Here is an example: "It is customary for employees to address their concerns through the proper channel of speaking to their supervisor before going to HR."
With the majority of citizens seeking justice through informal or customary channels, Koroma created a network of paralegals to provide mediation and advisory services.
Articles by Chinese scholars on politically touchy subjects may be impossible to publish through customary channels here, he said, but "they are everywhere on the Internet".
The reasonable effort should not have to involve repeated action over time but it should nevertheless involve taking account of any easily accessible evidence of upcoming availability of works or other subject matter in the customary channels of commerce.
(38) When determining whether works or other subject matter are out of commerce, a reasonable effort should be required to assess their availability to the public in the customary channels of commerce, taking into account the characteristics of the particular work or other subject matter or of the particular set of works or other subject matter.
The limited availability of a work or other subject matter, such as its availability in second-hand shops, or the theoretical possibility that a licence for a work or other subject matter could be obtained should not be considered as availability to the public in the customary channels of commerce.
Lady Thatcher's funeral cortege had barely made its way along the Strand when, 200 miles away in Huyton, an unseen hand switched the widescreen TV beside the bar at Wetherspoons back to the more customary sports channel.
Long, detailed interviews with candidates and considered discussions of the pricklier primary issues like immigration and Medicare are woven into the cable channel's customary brisk, blistering brio and hyperbole — all those flashy news alerts about President Obama waging "class warfare," updates on an elderly robbery suspect known as the Geezer Bandit and the liberals' "war on Christmas".
Since it is customary to model the taps of the channel impulse response as random variables, the CFR evaluated at any given frequency is also a random variable, and therefore, the taps of the precoders are random variables that are uncorrelated with the symbols.
In the marina, he chose a motorboat with a full tank of fuel and set out across the calm sea, now free of the customary pleasure craft, petroleum tankers, and cross-Channel ferries.
In his latest outing, he sets his sights on chateaus and more modest maisons de campagne across the English Channel, and acquits himself with his customary charm and finesse.
