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Search, shortlist two to four phones, then compare specifications and source evidence.
Compare essentials or all specifications. Unknown values stay visible when showing differences.
How to read this comparison
SIP accounts are registrations, not simultaneous calls. Programmable keys count assignable positions across pages, not just physical buttons. Conference capacity and encryption depend on firmware and configuration.
No is an explicit negative; Unknown means unresolved evidence; Not applicable means the field does not apply. An optional adapter is an extra accessory. Open Evidence for model scope, source sections and qualifications.
Differences keep your selected requirements and unknowns visible. Equal headline values can remain when their evidence notes differ.
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| Specification | Fanvil X5U-R 15 of 23 specifications recorded Lifecycle: Unknown Record reviewed: 2026-09-11 | Alcatel-Lucent Enterprise 8058s 5 of 23 specifications recorded Lifecycle: Unknown Record reviewed: 2026-09-29 |
|---|---|---|
| Calling | ||
| SIP accounts / linesDifference | 16EvidenceManufacturer specification Fanvil X5U-R datasheetSection: Generic / Highlights — SIP lines Review note: Specifications follow the currently linked datasheet. Earlier hardware or firmware revisions may differ. Evidence reviewed: 2026-09-11 Applies to: Fanvil X5U-R; manufacturer datasheet linked from the reviewed product page. | Unknown |
| Programmable keysDifference | 30EvidenceManufacturer specification Fanvil X5U-R datasheetSection: Highlights — assignable DSS capacity Review note: Assignable DSS positions; this count can include multiple pages of keys. Evidence reviewed: 2026-09-11 Applies to: Fanvil X5U-R; manufacturer datasheet linked from the reviewed product page. | Unknown |
| Local conference participantsDifference | 6EvidenceManufacturer specification Fanvil X5U-R datasheetSection: Highlights / Call Features — local audio conference Evidence reviewed: 2026-09-11 Applies to: Fanvil X5U-R; manufacturer datasheet linked from the reviewed product page. | Unknown |
| Display | ||
| Display sizeDifference | 3.5 inEvidenceManufacturer specification Fanvil X5U-R datasheetSection: Physical Specifications — main LCD Review note: Display size and resolution describe the main screen; this model also has separate DSS displays. Evidence reviewed: 2026-09-11 Applies to: Fanvil X5U-R; manufacturer datasheet linked from the reviewed product page. | 3.5 inEvidenceManufacturer specification OXO Connect Premium DeskPhones user manualSection: PDF page 112, Technical specifications, non-BT 8058s column, Display row Evidence reviewed: 2026-09-29 |
| Display resolutionDifference | 480 x 320EvidenceManufacturer specification Fanvil X5U-R datasheetSection: Physical Specifications — main LCD Review note: Display size and resolution describe the main screen; this model also has separate DSS displays. Evidence reviewed: 2026-09-11 Applies to: Fanvil X5U-R; manufacturer datasheet linked from the reviewed product page. | 240 x 320EvidenceManufacturer specification OXO Connect Premium DeskPhones user manualSection: PDF page 112, Technical specifications, non-BT 8058s column, Display row Evidence reviewed: 2026-09-29 |
| Colour display | YesEvidenceManufacturer specification Fanvil X5U-R datasheetSection: Physical Specifications — colour screen Evidence reviewed: 2026-09-11 Applies to: Fanvil X5U-R; manufacturer datasheet linked from the reviewed product page. | YesEvidenceManufacturer specification OXO Connect Premium DeskPhones user manualSection: PDF page 112, Technical specifications, non-BT 8058s column, Display row Evidence reviewed: 2026-09-29 |
| TouchscreenDifference | Unknown | Unknown |
| Connectivity | ||
| EthernetDifference | GigabitEvidenceManufacturer specification Fanvil X5U-R datasheetSection: Networking — physical Ethernet Evidence reviewed: 2026-09-11 Applies to: Fanvil X5U-R; manufacturer datasheet linked from the reviewed product page. | Unknown |
| Power over Ethernet | YesEvidenceManufacturer specification Fanvil X5U-R datasheetSection: Generic / model comparison / power supply Evidence reviewed: 2026-09-11 Applies to: Fanvil X5U-R; manufacturer datasheet linked from the reviewed product page. | YesEvidenceManufacturer specification OXO Connect Premium DeskPhones user manualSection: PDF page 112, Technical specifications, non-BT 8058s column, IEEE 802.3af Class 2 row Evidence reviewed: 2026-09-29 |
| Wi-FiDifference | Optional adapterEvidenceManufacturer specification Fanvil X5U-R datasheetSection: Highlights / Phone Features — Wi-Fi Evidence reviewed: 2026-09-11 Applies to: Fanvil X5U-R; manufacturer datasheet linked from the reviewed product page. | Unknown |
| Wi-Fi standardDifference | Unknown | Unknown |
| BluetoothDifference | Built inEvidenceManufacturer specification Fanvil X5U-R datasheetSection: Highlights / Phone Features — Bluetooth Evidence reviewed: 2026-09-11 Applies to: Fanvil X5U-R; manufacturer datasheet linked from the reviewed product page. | Unknown |
| Bluetooth versionDifference | 4.2EvidenceManufacturer specification Fanvil X5U-R datasheetSection: Highlights / Phone Features — Bluetooth version Evidence reviewed: 2026-09-11 Applies to: Fanvil X5U-R; manufacturer datasheet linked from the reviewed product page. | Unknown |
| USB portsDifference | 1EvidenceManufacturer specification Fanvil X5U-R datasheetSection: Physical Specifications — USB 2.0 port Evidence reviewed: 2026-09-11 Applies to: Fanvil X5U-R; manufacturer datasheet linked from the reviewed product page. | 2EvidenceManufacturer specification OXO Connect Premium DeskPhones user manualSection: PDF page 112, Technical specifications, non-BT 8058s column, USB-A and USB-C rows Evidence reviewed: 2026-09-29 |
| Accessories | ||
| Headset interfacesDifference | Unknown | Unknown |
| Expansion modulesDifference | Unknown | Unknown |
| Physical | ||
| Wall mountableDifference | Unknown | Unknown |
| Audio | ||
| HD voiceDifference | YesEvidenceManufacturer specification Fanvil X5U-R datasheetSection: Audio / Highlights — HD voice Evidence reviewed: 2026-09-11 Applies to: Fanvil X5U-R; manufacturer datasheet linked from the reviewed product page. | Unknown |
| Full-duplex speakerphoneDifference | Unknown | Unknown |
| Audio codecsDifference | Unknown | Unknown |
| Software | ||
| Operating systemDifference | Unknown | Unknown |
| Security | ||
| TLS signallingDifference | YesEvidenceManufacturer specification Fanvil X5U-R datasheetSection: Protocols — SIP over TLS Evidence reviewed: 2026-09-11 Applies to: Fanvil X5U-R; manufacturer datasheet linked from the reviewed product page. | Unknown |
| SRTP media encryptionDifference | YesEvidenceManufacturer specification Fanvil X5U-R datasheetSection: Protocols — SRTP Evidence reviewed: 2026-09-11 Applies to: Fanvil X5U-R; manufacturer datasheet linked from the reviewed product page. | Unknown |
Compatible phone systems
The indicator shows whether a compatible configuration path is documented, or whether the result still needs verification. A not-listed result does not mean technically incompatible. It does not replace checking the provider firmware branch, tenant, network and feature requirements.
3CX V20
Listed firmware applies to 3CX V20. Cloud or remote phones need a router phone or SBC. Recheck the current provider release before deployment.
Not reviewed
Not reviewed
Zoom Phone
Yealink phones require Zoom-specific firmware. A certification entry does not confirm every feature or regional deployment.
Not reviewed
Not reviewed
Microsoft Teams SIP Gateway
This is SIP Gateway compatibility, not native Teams-phone certification. Use the gateway provisioning path and approved firmware; confirm tenant licensing, policies and network requirements.
Not reviewed
Not reviewed
Specifications may vary by region, hardware revision, firmware, or optional accessory. A review date or recorded field is not a compatibility guarantee. Follow each product’s official sources before purchasing or deploying.
158 phones found
Unknown means not yet verified, not No.
Before choosing a phone
Treat this comparison as a research aid, not a compatibility or purchasing guarantee. Confirm regional variants, firmware support, platform certification, power requirements, accessories, lifecycle status, and current availability with the manufacturer and your phone-system provider.