Learn how to make an attended transfer on a Grandstream GRP2615. With this method of transfer you talk to the person who would receive the call before actually transferring the caller.
Негізгі бет Attended Transfer on a Grandstream GRP2615
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Learn how to make an attended transfer on a Grandstream GRP2615. With this method of transfer you talk to the person who would receive the call before actually transferring the caller.
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