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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 | Yealink SIP-T34W 12 of 23 specifications recorded Lifecycle: Unknown Record reviewed: 2026-09-09 Selected requirements: 1 met · 1 not met · 0 unknown | Alcatel-Lucent Enterprise 8078s 6 of 23 specifications recorded Lifecycle: Unknown Record reviewed: 2026-09-29 Selected requirements: 0 met · 0 not met · 2 unknown |
|---|---|---|
| Calling | ||
| SIP accounts / linesDifference | 4EvidenceManufacturer specification Yealink SIP-T34W datasheetSection: Technical specifications; SIP accounts / line support Evidence reviewed: 2026-09-09 Applies to: Yealink SIP-T34W, as documented in the reviewed source. Regional availability, provider certification and exact headset combinations are unverified. | Unknown |
| Programmable keysDifference | Unknown | Unknown |
| Local conference participantsDifference | 5EvidenceManufacturer specification Yealink SIP-T34W datasheetSection: Technical specifications; local conference Evidence reviewed: 2026-09-09 Applies to: Yealink SIP-T34W, as documented in the reviewed source. Regional availability, provider certification and exact headset combinations are unverified. | Unknown |
| Display | ||
| Display sizeDifference | 2.4 inEvidenceManufacturer specification Yealink SIP-T34W datasheetSection: Technical specifications; Display / LCD Evidence reviewed: 2026-09-09 Applies to: Yealink SIP-T34W, as documented in the reviewed source. Regional availability, provider certification and exact headset combinations are unverified. | 5 inEvidenceManufacturer specification OXO Connect Premium DeskPhones user manualSection: PDF page 112, Technical specifications, non-BT 8078s column, Display row Evidence reviewed: 2026-09-29 |
| Display resolutionDifference | 320 × 240EvidenceManufacturer specification Yealink SIP-T34W datasheetSection: Technical specifications; Display / LCD Evidence reviewed: 2026-09-09 Applies to: Yealink SIP-T34W, as documented in the reviewed source. Regional availability, provider certification and exact headset combinations are unverified. | 480 x 800EvidenceManufacturer specification OXO Connect Premium DeskPhones user manualSection: PDF page 112, Technical specifications, non-BT 8078s column, Display row Evidence reviewed: 2026-09-29 |
| Colour display | YesEvidenceManufacturer specification Yealink SIP-T34W datasheetSection: Technical specifications; Display / LCD Evidence reviewed: 2026-09-09 Applies to: Yealink SIP-T34W, as documented in the reviewed source. Regional availability, provider certification and exact headset combinations are unverified. | YesEvidenceManufacturer specification OXO Connect Premium DeskPhones user manualSection: PDF page 112, Technical specifications, non-BT 8078s column, Display row Evidence reviewed: 2026-09-29 |
| TouchscreenDifference | Unknown | YesEvidenceManufacturer specification OXO Connect Premium DeskPhones user manualSection: PDF page 112, Technical specifications, non-BT 8078s column, capacitive touch display Evidence reviewed: 2026-09-29 |
| Connectivity | ||
| EthernetDifference | GigabitEvidenceManufacturer specification Yealink SIP-T34W datasheetSection: Technical specifications; Network interfaces Evidence reviewed: 2026-09-09 Applies to: Yealink SIP-T34W, as documented in the reviewed source. Regional availability, provider certification and exact headset combinations are unverified. | Unknown |
| Power over Ethernet | YesEvidenceManufacturer specification Yealink SIP-T34W datasheetSection: Technical specifications; Power supply / Power over Ethernet Evidence reviewed: 2026-09-09 Applies to: Yealink SIP-T34W, as documented in the reviewed source. Regional availability, provider certification and exact headset combinations are unverified. | YesEvidenceManufacturer specification OXO Connect Premium DeskPhones user manualSection: PDF page 112, Technical specifications, non-BT 8078s column, IEEE 802.3af Class 2 row Evidence reviewed: 2026-09-29 |
| Wi-FiDifferenceRequired: Built in | Meets requirementBuilt inEvidenceManufacturer specification Yealink SIP-T34W datasheetSection: Technical specifications; Wi-Fi / wireless connectivity Evidence reviewed: 2026-09-09 Applies to: Yealink SIP-T34W, as documented in the reviewed source. Regional availability, provider certification and exact headset combinations are unverified. | Needs verificationUnknown |
| Wi-Fi standardDifference | 802.11a/b/g/n/acEvidenceManufacturer specification Yealink SIP-T34W datasheetSection: Technical specifications; Wi-Fi / wireless connectivity Evidence reviewed: 2026-09-09 Applies to: Yealink SIP-T34W, as documented in the reviewed source. Regional availability, provider certification and exact headset combinations are unverified. | Unknown |
| BluetoothDifferenceRequired: Built in | Does not meet requirementOptional adapterEvidenceManufacturer specification Yealink SIP-T34W datasheetSection: Technical specifications; Bluetooth / accessories Review note: Bluetooth headset connectivity uses an optional Yealink BT50/BT51A USB adapter. Evidence reviewed: 2026-09-09 Applies to: Yealink SIP-T34W, as documented in the reviewed source. Regional availability, provider certification and exact headset combinations are unverified. | Needs verificationUnknown |
| Bluetooth versionDifference | Unknown | Unknown |
| USB portsDifference | 1EvidenceManufacturer specification Yealink SIP-T34W datasheetSection: Technical specifications; USB interfaces Evidence reviewed: 2026-09-09 Applies to: Yealink SIP-T34W, as documented in the reviewed source. Regional availability, provider certification and exact headset combinations are unverified. | 2EvidenceManufacturer specification OXO Connect Premium DeskPhones user manualSection: PDF page 112, Technical specifications, non-BT 8078s 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 Yealink SIP-T34W datasheetSection: Technical specifications; Audio features Evidence reviewed: 2026-09-09 Applies to: Yealink SIP-T34W, as documented in the reviewed source. Regional availability, provider certification and exact headset combinations are unverified. | Unknown |
| Full-duplex speakerphoneDifference | Unknown | Unknown |
| Audio codecsDifference | Unknown | Unknown |
| Software | ||
| Operating systemDifference | Unknown | Unknown |
| Security | ||
| TLS signallingDifference | Unknown | Unknown |
| SRTP media encryptionDifference | Unknown | 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.
49 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.