VoIP.info Knowledge library

IP phones

Research handsets by daily workflow, supported provisioning and documented hardware capabilities.

Reviewed 2026-10-16Foundational

Buy for the person using the phone

A receptionist may need a headset and reliable attended transfers. A common-area phone may need a simple keypad and restricted permissions. A mobile worker may need cordless coverage and predictable charging. These requirements matter more than a generic ranking of feature counts.

Verify the exact model

Check the SKU, firmware track, power method and provisioning compatibility. Built-in Wi-Fi differs from support through an optional adapter. A family name does not establish how many keys, accounts or network ports a particular model has.

For used hardware, verify administrative access and release from any prior provisioning service. A factory reset does not by itself prove that a device is free of an external enrollment relationship.

Test before bulk deployment

Pilot the exact phone with the intended PBX or provider. Confirm incoming and outgoing calls, sound, hold, transfer, voicemail indication, headset behavior and recovery after restart. Record firmware and configuration versions with the result.

Use the IP phone introduction to understand the endpoint's role, then match purchasing decisions to business requirements. Model-specific specifications should be tied to manufacturer evidence, with lifecycle uncertainty made explicit.

Treat door stations as physical-access systems

A door-entry intercom can combine SIP calling with camera, identity, relay and mobile-management functions. A successful SIP call does not prove that the lock, request-to-exit input, door sensor, emergency release or credential lifecycle is safe. Give physical-access engineering, privacy, network security and PBX acceptance separate owners and tests.

Treat paging adapters as building-audio interfaces

An IP paging adapter can bridge SIP or multicast into an existing amplifier, but it does not validate the speaker load, zoning, priority, intelligibility or emergency-notification design. Inventory the analog interface and operational ownership before selecting the network endpoint.

Treat IP ceiling speakers as installed building audio

An IP ceiling speaker combines a network endpoint, amplifier, loudspeaker and sometimes a microphone above an occupied space. Select the mounting form, PoE budget, SIP or multicast path, coverage, sound-pressure boundary, privacy controls and supervision before choosing a model. A successful registration or audible test tone does not establish intelligibility, safe volume, building-code acceptance or suitability for emergency notification.

Treat guest-room phones as managed room infrastructure

A hotel or guest-room phone combines a simple user interface with room identity, service keys, emergency policy, privacy, centralized provisioning and turnover between occupants. Preserve a bounded dial plan and a recovery path when the PBX, network or power path is unavailable. A compact casing or customized faceplate is not evidence that those operating controls are correct.

Treat Android video phones as managed computing endpoints

An Android video desk phone combines SIP, camera, microphones, display, applications, network interfaces and device management. Choose the voice and video workflow before adding applications. App compatibility, permission, account, update and data-retention controls remain separate from SIP registration, and a camera privacy shutter does not replace room, recording or conferencing policy.

Treat Teams phones as tenant-managed endpoints

A Microsoft Teams desk phone combines certified hardware with a Teams account, licence, policy, application and firmware lifecycle. Decide whether the position is personal, shared or common-area before selecting the device. Current certification for an Android generation does not prove that an arbitrary hardware variant, software mode, tenant policy or PSTN service is ready for the intended deployment.

Treat analog adapters as electrical interfaces

An analog telephone adapter or FXS gateway can preserve a telephone-side device while replacing its network and service path. Start with the required FXS or FXO role, port count, ringing load, regional electrical profile, power path and failure behavior. A shared RJ11 connector, SIP registration or T.38 label does not establish that a phone, fax, alarm, lift or building-wiring circuit is safe or compatible.

Treat expansion modules as host-phone accessories

A programmable-key expansion module does not register a separate SIP account or create PBX capacity by itself. Match the exact module to an approved host phone, firmware and power arrangement, then test every required BLF, pickup, park and transfer action. The receptionist-phone guide frames the workflow; the Grandstream GBX20 reference shows why current host compatibility, older installation instructions and accessory power must remain separate evidence.

Treat IP visual alerters as installed signaling endpoints

An IP visual alerter can turn a SIP ring, multicast event or contact input into a visible pattern, but a bright or colored strobe does not establish message meaning, accessibility, photosensitivity safety, coverage or fire-alarm approval. Define the trigger, color and pattern vocabulary, placement, viewing boundary, stop behavior, supervision and fallback before selecting the endpoint.

Treat emergency and help-point phones as complete call paths

An emergency or help-point phone can provide a conspicuous, simple calling point, but registration, dial tone or a red housing does not prove that a caller reaches the intended responder. Define off-hook and key behavior, destination ownership, emergency identity and location, callback, power and network failure, accessibility, supervision and the approved test procedure before selecting an endpoint.

Treat USB and Bluetooth speakerphones as host peripherals

A USB or Bluetooth speakerphone supplies microphones, a loudspeaker and controls to a computer or mobile device; it does not normally own a SIP account or meeting identity. Select the host, connection, application, room and privacy policy together. Pairing, audio playback or a certification label does not prove that answer, mute, device switching, notifications, emergency behavior or remote speech quality works in the intended workflow.

Treat speaker clocks as several installed endpoints in one enclosure

An IP speaker clock can combine time display, audio, visual patterns, a microphone, button and I/O. Commission every role and failure path independently. The Algo 8190S reference shows why configured SIP identities, multicast zones, PoE budget, alert colors and management integrations must not be reduced to one registration result.

Keep AudioCodes model and radio suffixes exact

The AudioCodes phone hub and C470HD reference show why a Teams-native family name is not enough for procurement. Base and DBW radio variants, regional support, certification, public-cloud firmware and the installed application bundle remain separate evidence.

Treat scanning smartphones as managed endpoints, not only handsets

The Grandstream WP856 combines SIP calling, Android applications, Google services, Wi-Fi roaming, barcode scanning, NFC and a camera. Procurement and acceptance must preserve every application, radio, data, battery and voice owner rather than reducing the device to its account count.

Keep guest-room radio and power variants exact

The Grandstream GHP631W is the black Wi-Fi 6 member of a four-model family. Color, integrated radio, local-adapter package and PoE evidence belong to the exact suffix and SKU; they cannot be inferred from the shared GHP63x name.

Complete a family matrix before selecting the room phone

Grandstream's GHP63x group contains white and black wired models plus white and black Wi-Fi 6 models. The GHP630W and GHP631 references complete that exact-SKU matrix without turning family-level display or SIP facts into shared radio, power or package claims.

Keep Fanvil identities, DSS pages and active calls distinct

The Fanvil phone hub and V64 reference separate 12 configured SIP lines, up to 21 DSS assignments, active calls and call-start capacity. Exact radios, ports, power, package, firmware and provider approval still govern deployment.

Include the V65 display and management surface in acceptance

The Fanvil V65 adds an adjustable display and built-in Wi-Fi and Bluetooth to the current-device collection. Its physical placement, regional package, commissioned interface, administrator credential, approved firmware and server-dependent DSS actions remain separate evidence.

Add the current T74U as an exact wired T7X record

The Yealink T74U is now covered with account, key-page, EXP55, USB accessory, optional-radio, power and package boundaries. Published capacity remains separate from programmed identities, visible controls and simultaneous service calls.

Treat touch-screen desk phones as a control category, not one platform

A touch-screen SIP desk phone may expose local calling controls without being an Android application endpoint or a video phone. Compare the exact display, physical fallback controls, accessibility mode, expansion path, firmware and service workflow. The Yealink T77U is a current example whose touch interface, USB connectors, expansion claim and security capabilities still require exact-device acceptance.

Add the current T73U as an exact wired T7X record

The Yealink T73U is now covered with account, key-page, EXP55, USB accessory, optional-radio, power and package boundaries. Published capacity remains separate from programmed identities, visible controls and simultaneous service calls.

Separate Mitel model, software and call-manager evidence

The Mitel 6900 SIP phone hub and 6920w reference keep the w variant's radios, installed SIP software, call-manager behavior, programmable-key layers, PoE class and accessory power distinct. A live documentation lane is not evidence of the build installed or approved on one phone.

Diagnose Android desk-phone video by layer

When an Android desk phone has no camera image or call video, use the camera and video diagnostic. It separates exact package and accessory, shutter and self-view, application permission, native SIP offer/answer and delivered video media before changing firmware or PBX codecs.

Treat fixed call buttons as complete action paths

An IP call or alert button may be a standalone PoE endpoint or a smart-relay accessory to another endpoint. Define the gesture, label, feedback, SIP, multicast or integration action, supervision, responder and failure procedure together. A detected press or changed LED does not prove call answer, alert delivery or acknowledgement.

Choose horn speakers by acoustic role

Use the IP horn-speaker guide for directional, high-noise or outdoor paging. Keep acoustic modelling, power, primary-versus-satellite architecture, multicast, safe exposure and supervised end-to-end tests separate from the telephone-system registration result.

Treat video bars as room systems with distinct modes

An all-in-one video conferencing bar combines cameras, microphones, speakers and compute, but still depends on a documented native, General, USB or BYOD mode plus displays, controls, accounts, network and room acceptance. The Yealink MeetingBar A50 shows why port, platform, accessory and SIP/H.323 boundaries must remain exact.

Treat IP display speakers as synchronized visual and audio endpoints

Use the IP display-speaker guide when a network endpoint combines screen content, paging audio and flashers. Sight lines, content objects, SIP or multicast triggers, event priority, power and supervised visual and audible tests remain separate acceptance layers.

Add rugged Wi-Fi handsets as a distinct device class

The rugged Wi-Fi handset category compares voice-first and mobile-computing endpoints through environmental claims, roaming, alarm chains, batteries, management and responder outcomes. It does not treat an IP rating, alarm icon or Wi-Fi 6 label as a completed operational system.

Add business wireless headsets as a host-dependent category

The business wireless headset category separates the call-owning host from Bluetooth or DECT radio, adapter, controls, mute layers, management and user acceptance. Pairing or platform branding is not treated as end-to-end softphone compatibility.

Add operator paging consoles as a distinct device class

The IP paging-console category covers initiating controls for live and recorded paging, zone multicast, SIP and API actions. Keep the operator console separate from receivers, paging adapters, PBX call control and the emergency procedure it may initiate.

Treat integrated Wi-Fi as one endpoint path, not deployment proof

The Snom D810W guide shows why a current Wi-Fi desk phone still needs exact-model inventory, independent power, provisioning, registration and call evidence.

Treat converged audio controls as separate call paths

The Mitel 6940w reference shows why a desk phone that handles SIP, computer and mobile audio still needs an owner and acceptance result for each path.

Sources & applicability

Primary references for the technical details above. Operational examples and planning checklists are VoIP.info editorial guidance.

Explore documented endpoints

Yealink T54W

Yealink T73U: line keys, DSS pages and optional-radio boundaries

Cisco Desk Phone 9841

HP Poly Edge E350

Grandstream GRP2612 family: variants, revisions and firmware lanes

Grandstream GRP2613

Grandstream GRP2614

Grandstream GRP2615

Grandstream GRP2616

Grandstream GRP2634

Grandstream HT802

Grandstream HT802 v2

Grandstream HT812 v2

Grandstream HT814 v2

Grandstream HT818 v2

Grandstream HT813

Grandstream WP816

Grandstream WP826: Wi-Fi 6 roaming, fleet and firmware boundaries

Grandstream DP752

Grandstream DP735

Yealink T53W: current exact-model desk-phone guide

Yealink T57W: touch workflow, shared USB and V87 boundary

Yealink W70B

Yealink W73H

Yealink W78H

Yealink W59R

Yealink CP925 conference phone

Yealink CP965

HP Poly Edge E100

HP Poly Edge E220

HP Poly Edge E300

HP Poly Edge E320

HP Poly Edge E400

HP Poly Edge E450

HP Poly Edge E550

Cisco Desk Phone 9851

Cisco Desk Phone 9861

Cisco Desk Phone 9871

Snom D865

Snom D812

Snom D862

Snom M58

Sangoma P310

Sangoma P315

Sangoma P320

Sangoma P325

Sangoma P330

Sangoma P370

Sangoma PM200

Sangoma DC201

Snom M500 DECT base

HP Poly Trio C60 conference phone

Grandstream GXW4216 v2 FXS gateway

Grandstream GSC3510 SIP intercom speaker

Grandstream HT841 FXO gateway

Grandstream HT881 FXO gateway

Snom M900 multicell DECT base

Snom M90 protected DECT handset

HP Poly Rove B2 single/dual-cell DECT base

HP Poly Rove 30 rugged DECT handset

Yealink AX83H business Wi-Fi handset

Yealink AX86R ruggedized Wi-Fi handset

Grandstream GAC2570 conference phone

Grandstream GSC3518HS outdoor SIP horn speaker

Snom M80 rugged DECT handset

Yealink T85W

Yealink T87W

Algo 8301 IP paging adapter and scheduler

Snom M70 office-rugged DECT handset

Grandstream GHP630 wired hotel IP phone

Grandstream GXV3480: current Android video phone guide

HP Poly CCX 400 Microsoft Teams desk phone

Algo 8198 IP PoE+ ceiling speaker

Grandstream GSC3506 v2 multicast paging speaker

Grandstream GBX20 expansion module

Algo 8138 IP Color Visual Alerter

Algo 8201 IP PoE door intercom

Grandstream GSC3565 smart outdoor video intercom

Snom E303 IP emergency phone