Watch · Video guides

See how it works.

Selected video explanations, paired with the written guides and version notes that help you put them to use.

Find your next video

Browse all 78 selections
Experience level, length and sorting
Clear filters

7 videos · Showing 1–7

Phone operation · Foundational

Grandstream GRP2615: transfer, voicemail and desk wiring

Lightspeed VoiceVersion-specific

A practical GRP2615 walkthrough follows both sides of a new-phone handover: making calls confidently and understanding the cables behind the desk. It distinguishes blind from attended transfer, personal from shared voicemail, and a held caller from a shared parked call. The product reference supplies hardware context while this video shows how a provider’s button layout is used.

How to use these selections

Read the applicability note before following a configuration walkthrough. Older interfaces can still teach useful concepts; the written guides provide our current software baseline. Videos remain on the creator’s channel, and you can open them directly on YouTube.

Selection notes are based on the complete available transcript and checks against primary documentation. Audio and screen readability have not yet been independently verified. Chapter timestamps are included only when verified.

Selections are editorial. A creator may promote their own services or affiliate links; that does not establish a relationship with VoIP.info.

Claims worth examining

Some popular explanations need a closer look. These reviews distinguish useful ideas from claims that the protocol does not support.

SIP and VOIP. The Privacy Solution No One Knows About