Yealink Sip T40G Quick Start Guide. (optional) (optional) quick start guide. Setup instructions, pairing guide, and how to.
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(Optional) (Optional) Quick Start Guide.
Setup instructions, pairing guide, and how to. Designed with a revolutionary new appearance, it. Designed with a revolutionary new appearance, it.
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Assembling the phone 1 packaging contents. Assembling the phone 1 packaging. Yealink t4 series ip phones user guide_v84.80.pdf