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

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33 videos · Showing 1–24

Setup & configuration · Intermediate

Fanvil X4U: first setup, admin access and firmware orientation

VoIP SupplyVersion-specific

This unboxing continues into the phone’s administration interface. It is useful for learning where to change the administrator password, locate the correct documentation and inspect firmware or reset controls before making changes. Pair it with the firmware guide to turn an interface tour into a planned maintenance task with a recoverable configuration.

Setup & configuration · Intermediate

FreePBX 15: Sangoma Endpoint Manager and zero-touch provisioning

Crosstalk SolutionsLegacy

Follow the chain from an Endpoint Manager template to an extension/MAC mapping and a redirect service that tells the phone where to fetch its configuration. Firmware slots and model-specific templates make the demonstration especially useful beside the existing manual-registration lesson. The aim is to understand provisioning ownership and scope before automating changes across many phones.

Setup & configuration · Intermediate

Grandstream DP750 and DP720: pairing, accounts and handset lines

N2V SolutionsLegacy

A complete setup follows three separate relationships: the handset subscribes to the DECT base, the base registers SIP accounts, and each handset receives an outgoing line assignment. The final call tests show why checking only one green status indicator is insufficient. This is a particularly useful companion to the cordless-phone guide for anyone encountering a paired handset that still cannot place calls.

Setup & configuration · Intermediate

Grandstream GXP firmware: follow a UCM Zero Config update

Legacy

See how a provisioning policy points a GXP2170 at a firmware source, and why global policy, global templates and model templates have different reach. The demonstration also catches a stale browser version label and checks the installed version in system information. It is useful preparation for a staged update, provided you replace the historical firmware choices with your approved maintenance plan.

Setup & configuration · Intermediate

Grandstream multicast paging: configure the sender and the listeners

US TechnologiesVersion-specific

This demonstration makes a useful separation: a programmable key originates the page, while receiving phones need a matching listening configuration. That distinction helps explain a common failure in which the page button exists but nothing is heard. Read the paging and VLAN guides alongside it before deciding which devices should receive announcements.

Setup & configuration · Intermediate

Grandstream WP820: manual SIP registration on a cloud service

AccentLegacy

Follow a WP820 from Wi-Fi connectivity into its web interface, SIP account settings and an outbound call. The narration keeps the charging cradle separate from the network connection, which helps distinguish this design from a DECT handset and base. Use the registration guide to understand why joining an SSID is only the first stage of getting a working telephone.

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