Description
Yealink SIP-T31 IP Phone 2-Line Entry SIP Desk Phone Dubai
Yealink SIP-T31 — The Entry Desk Phone That Still Feels Business-Grade
The Yealink SIP-T31 is the practical entry point for offices that need reliable SIP calling without paying for colour screens, Wi-Fi, Gigabit ports, or expansion modules that a basic desk will never use. It gives branch staff, reception assistants, retail counters, hotel back offices, warehouse admin desks, and shared office users the essentials: 2 SIP accounts, HD voice, a backlit display, local 5-way conferencing, headset support, and simple provisioning. Vector Digital Systems supplies the SIP-T31 in Dubai with same-day quote in AED, VAT and delivery noted, and SIP staging before dispatch.
SIP, Microsoft Teams, or Zoom? Choose the Right Yealink Range
The SIP-T31 is a SIP desk phone. It is built for SIP PBX platforms such as 3CX, Yeastar P-Series, Grandstream UCM, Asterisk, FreePBX, and hosted PBX providers. It is not a Microsoft Teams phone and it is not a Zoom Phone certified desk phone. This platform check matters before ordering because a SIP phone cannot be turned into a Teams phone by field reflash.
| Your Platform | Right Phone | What You Need |
|---|---|---|
| SIP PBX — 3CX, Yeastar, Grandstream UCM, Asterisk, hosted PBX | Yealink SIP-T31 (this page) | SIP credentials from your PBX or hosted provider |
| Microsoft Teams Phone | Yealink MP-series Teams phone — ask David for the current certified model | Microsoft 365 tenant + Teams Phone licence per user |
| Zoom Phone | Zoom-certified Yealink phone range — ask David to verify current certification status | Zoom Phone licence per user |
Power Truth: SIP-T31 Is the Non-PoE Model
The Yealink SIP-T31 does not use PoE. It is powered by the optional Yealink 5V / 600mA power adapter. If your office wants Power over Ethernet from the network switch, choose the SIP-T31P instead. If a laptop sits behind the phone and you want faster passthrough, choose the SIP-T31G for Gigabit Ethernet. David confirms the power and network requirement before quoting so the phones arrive with the correct adapter or model choice.
Fast Ethernet Is Fine — Until a Laptop Sits Behind the Phone
The SIP-T31 has two 10/100 Mbps Ethernet ports: one for the LAN and one for the PC passthrough. That is suitable for basic voice desks, POS counters, hotel back-office desks, shared phones, and branch-office users where the phone is not acting as a high-speed network pass-through for a laptop. For Dubai offices running 1Gbps desktop networks, step up to the SIP-T31G or a T7-series Gigabit model when the user’s PC or laptop connects through the phone.
Where the SIP-T31 Sits in the Yealink Entry Range
The T31 is the balanced entry model: more capable than the single-line T30, lower cost than the PoE-ready T31P, and simpler than the Gigabit T31G. It is the right choice when you need two SIP lines, a clear backlit display, headset support, and reliable desk calling — but you do not need PoE, Gigabit passthrough, Wi-Fi, Bluetooth, or expansion keys.
| Feature | SIP-T30 | SIP-T31 ★ | SIP-T31P |
|---|---|---|---|
| Display | 132×64 graphical LCD | 2.3″ 132×64 backlit graphical LCD | 2.3″ 132×64 backlit graphical LCD |
| SIP Accounts | 1 | 2 | 2 |
| Programmable / Line Keys | Basic single-line layout | 2 line keys with LED + feature keys | 2 line keys with LED + feature keys |
| GigE | No — Fast Ethernet | No — Fast Ethernet | No — Fast Ethernet |
| Wi-Fi / Bluetooth | No | No | No |
| Conference | 5-way | 5-way | 5-way |
| Expansion | No expansion module | No expansion module | No expansion module |
| Replaces | Very basic single-line desks | Entry two-line branch and office phones | Entry two-line PoE desks |
| Price Tier | Lowest | Entry value | Entry PoE step-up |
| Choose if… | You need one simple SIP line only | You need two SIP accounts and a low-cost desk phone powered by adapter | You need the same two-line phone powered by PoE switch |
Dubai Use Cases for the SIP-T31
Branch offices and shared desks. The SIP-T31 is a strong fit for branch teams in Deira, Al Quoz, Jebel Ali, DIP, Sharjah, and Ajman where each user needs one or two SIP lines, voicemail access, call transfer, and dependable handset calling without executive-phone cost.
Retail counters and service desks. For shops, clinics, service counters, and reception assistants, the backlit display, two line keys, RJ9 headset port, and 5-way local conferencing cover daily calling needs while keeping the unit simple for non-technical staff.
Hotels and back-office deployments. Hotel admin desks, reservations counters, security rooms, and housekeeping control desks often need a durable SIP phone rather than a feature-heavy colour model. Vector Digital Systems stages SIP registration, extension number, dial plan, and speed-dial keys before delivery.
Export-friendly entry phone. The SIP-T31 is easy to deploy in bulk for system integrators because it supports standard SIP provisioning, Fast Ethernet passthrough, headset operation, wall mounting, and central management through Yealink device tools.
Full Technical Specifications
| Specification | Yealink SIP-T31 |
|---|---|
| Product Type | Entry-level SIP IP desk phone |
| Display | 2.3 inch 132×64-pixel graphical LCD with backlight |
| SIP Accounts | 2 VoIP accounts |
| Line Keys | 2 line keys with dual-colour LED status indication |
| Feature Keys | Transfer, message, headset, redial, mute, hands-free speakerphone, navigation, and volume keys |
| Local Conferencing | 5-way local conferencing |
| Audio | HD handset, HD speaker, full-duplex hands-free speakerphone with AEC, Smart Noise Filtering |
| Codecs | Opus, G.722, G.711(A/μ), G.723.1, G.729, G.729A, G.726, iLBC |
| Network Ports | 2× RJ45 10/100 Mbps Ethernet ports — LAN and PC passthrough |
| PoE | Not supported on SIP-T31. Choose SIP-T31P for PoE. |
| Wi-Fi / Bluetooth | Not built in |
| Headset Support | 1× RJ9 headset port; EHS wireless headset support |
| Handset Port | 1× RJ9 handset port |
| Phonebook | Local phonebook up to 1000 entries; XML/LDAP remote phonebook support |
| Security | SRTP, TLS, HTTPS certificate manager, AES configuration encryption, digest authentication, OpenVPN, IEEE 802.1X, IPv6, VLAN support |
| Provisioning | Browser, phone, FTP/TFTP/HTTP/HTTPS auto-provisioning, PnP, TR-069, system log export |
| Power | External Yealink AC adapter: AC 100–240V input, DC 5V / 600mA output. Power adapter optional. |
| Power Consumption | 2–3W using PSU |
| Mounting | Wall mountable; two-angle adjustable desk stand |
| Dimensions | 188 × 189 × 162 × 50 mm |
| Package Content | SIP-T31 phone, handset with cord, 1.5m Ethernet cable, stand, quick start guide. Power adapter optional. |
| Compatible Platforms | 3CX, Yeastar P-Series, Grandstream UCM, Asterisk, FreePBX, hosted PBX, and RFC-compliant SIP servers |
Compatible Accessories
| Accessory | Model / Type | Purpose |
|---|---|---|
| Power Supply | Yealink 5V / 600mA PSU | Required to power the SIP-T31. Ask David to include the UAE 220V adapter in the quote. |
| Wired Headset | Yealink RJ9 headset range | For reception counters, call-handling desks, and users who need hands-free calling. |
| EHS Wireless Headset Setup | EHS adapter + compatible Yealink wireless headset | Remote answer and hang-up from a wireless headset. Adapter model confirmed before quote. |
| Wall Mount | T3-series wall-mount option | For reception walls, warehouse offices, retail counters, and space-limited desks. |
Staging Before Dispatch
Every Yealink SIP-T31 supplied by Vector Digital Systems can be staged before it leaves Dubai: SIP registration on your PBX or hosted account, provisioning template loaded, extension label confirmed, BLF or speed-dial keys programmed where required, dial plan checked, codec priority set, and a live test call completed. For branch rollouts, we can label each unit by extension or location so your team plugs in the correct phone at the correct desk.
Export from Dubai
Vector Digital Systems exports Yealink SIP-T31 phones from Dubai to system integrators, PABX installers, telecom resellers, hotel groups, branch-office projects, and corporate IT procurement teams. Common export destinations include Oman, Saudi Arabia, Kuwait, Bahrain, Qatar, Jordan, Egypt, Kenya, Tanzania, Pakistan, Sri Lanka, and Bangladesh. Shipments are quoted FOB Dubai with commercial invoice, packing list, and certificate of origin on request. Project pricing is available for 5+ units, and bulk staging can be completed before dispatch.
Get a same-day quote in AED — in stock in Dubai
Tell David the quantity, your SIP platform, whether you need power adapters, and whether you prefer T31, T31P, or T31G. Your quote includes VAT breakdown and delivery charges.
Frequently Asked Questions — Yealink SIP-T31
Does the Yealink SIP-T31 work with Microsoft Teams?
No. The SIP-T31 is a SIP desk phone for platforms such as 3CX, Yeastar P-Series, Grandstream UCM, Asterisk, FreePBX, and hosted SIP PBX services. Microsoft Teams phones are separate Yealink MP-series devices. If your office uses Teams Phone, ask David to quote a current Teams-certified Yealink model after certification is verified.
Does the Yealink SIP-T31 come with a power adapter, or do I need PoE?
The SIP-T31 is the non-PoE model and uses an external Yealink 5V / 600mA power adapter. The adapter is optional in the Yealink package, so ask David to include the UAE power supply in your quote. If you want PoE from your network switch, choose the SIP-T31P instead.
Will the SIP-T31 work with our 3CX, Grandstream UCM, Yeastar P-Series, or existing SIP PABX?
Yes. The SIP-T31 works with RFC-compliant SIP platforms including 3CX, Yeastar P-Series, Grandstream UCM, Asterisk, FreePBX, and hosted PBX providers. Vector Digital Systems can stage the phone with your SIP credentials, provisioning template, extension label, and dial plan before delivery.
Yealink SIP-T31 vs SIP-T31P — which one should I buy?
Choose the SIP-T31 when you want a low-cost two-line desk phone powered by an external adapter. Choose the SIP-T31P when your network switch supports PoE and you want the phone powered through the Ethernet cable. Both are Fast Ethernet entry phones with 2 SIP accounts and a 2.3-inch backlit display.
Yealink SIP-T31 vs SIP-T31G — what is the difference?
The SIP-T31 is a Fast Ethernet model with 10/100 Mbps ports. The SIP-T31G is the Gigabit version for desks where a laptop or PC connects through the phone and you do not want the phone to limit network speed. For basic calling desks, the SIP-T31 is usually enough; for 1Gbps office networks, ask David about the T31G.
Can I connect a headset to the Yealink SIP-T31?
Yes. The SIP-T31 includes an RJ9 headset port and supports EHS wireless headset setups with the correct adapter and compatible headset. For reception desks, service counters, and call-handling users, David can recommend the correct wired or wireless headset bundle with the phone.
Does the SIP-T31 support Gigabit passthrough for my laptop?
No. The SIP-T31 has two 10/100 Mbps Fast Ethernet ports. It is suitable for basic voice desks, but if a laptop sits behind the phone on a 1Gbps Dubai office network, choose the SIP-T31G or a Yealink T7-series Gigabit phone to avoid limiting the laptop connection.
Who is the authorised Yealink supplier in Dubai?
Vector Digital Systems LLC has supplied Yealink phones and VoIP solutions in Dubai since 2009. David is the Yealink product specialist for pre-sales model selection, staging, project pricing, and local warranty handling. Phones can be configured before dispatch so your team receives ready-to-use units.
What is the best Yealink IP phone for a low-cost branch desk in Dubai?
For a low-cost two-line branch desk, the SIP-T31 is the best value when you are happy to use a power adapter. Choose SIP-T31P if the branch has PoE switching, or SIP-T31G if a PC or laptop needs Gigabit passthrough. For larger executive desks with more keys and Gigabit as standard, step up to the T7 series.
Does Vector Digital Systems configure the SIP-T31 before delivery?
Yes. Vector Digital Systems can configure SIP registration, provisioning template, extension label, speed-dial keys, dial plan, codec settings, and test calls before dispatch. For multi-branch orders, each phone can be labelled by extension or location before delivery.
Does Vector Digital Systems export Yealink SIP-T31 phones from Dubai?
Yes. Vector Digital Systems exports Yealink SIP-T31 phones from Dubai to integrators, PABX installers, telecom resellers, and enterprise buyers in Oman, Saudi Arabia, Kuwait, Bahrain, Qatar, Jordan, Egypt, Kenya, Tanzania, Pakistan, Sri Lanka, and Bangladesh. Export quotes are FOB Dubai with documentation on request.
