Voice

3CX vs Microsoft Teams Phone vs Yeastar: Which Phone System for UAE Business?

Three of the most-discussed business phone platforms in the UAE today — 3CX, Microsoft Teams Phone and Yeastar P-Series — take very different approaches to licensing, SIP trunk connectivity and day-to-day management. This guide sets out the practical differences so Abu Dhabi SMBs can match the right platform to their actual requirements.

Get a Free Quote Call +971 55 651 7843

Free Site Survey Since 2018 Abu Dhabi & Al Ain

In short: 3CX, Microsoft Teams Phone and Yeastar P-Series are all proven in the UAE but suit different profiles. Teams Phone fits organisations already on Microsoft 365 who want voice, video and chat in one app, though local SIP trunks via Direct Routing need certified session border controller hardware. 3CX is an open-standards IP-PBX (cloud, self-hosted or appliance) that works with any SIP trunk and many desk phones without vendor lock-in. Yeastar P-Series is hardware-first and combines a physical PBX appliance with the software. The choice depends on your Microsoft estate, on-premises versus cloud preference, SIP trunk flexibility and CRM integration needs.

3CX vs Microsoft Teams Phone vs Yeastar: Which Phone System for UAE Business?: key facts

Published by	Published by Emirtech Technology, an independent integrator in Mussafah, Abu Dhabi, in operation since 2018.
Where?	Abu Dhabi and Al Ain, served from Emirtech's Mussafah, Abu Dhabi base; there is no Al Ain office. In Dubai: smart home, PABX and IP-PBX phone systems, IT AMC and time attendance by scheduled on-site visits, gate barriers, ANPR, video intercoms and turnstiles by Emirtech itself; CCTV, alarm and access control through SIRA-approved partners, with Emirtech coordinating.
Survey and quotation	Emirtech publishes no price list: it surveys or assesses first and then gives a written, itemised quotation.
Credentials	Emirtech is an independent systems integrator. It holds no manufacturer-level credential of its own, and its ADMCC approval covers security systems only, not IT services. It claims no partner status with the vendors named on this page. Product brands named on this page are trademarks of their owners.
Last reviewed	4 November 2026

Hand picking up the handset of a desk IP telephone

Which business phone system is right for a UAE SMB — 3CX, Microsoft Teams Phone or Yeastar P-Series?

All three platforms are production-proven and actively deployed in the UAE market, but they serve somewhat different organisational profiles — the right choice depends on your existing Microsoft infrastructure, your preference for on-premises versus cloud deployment, the SIP trunk flexibility you need, and the depth of CRM or helpdesk integration your workflows require. Microsoft Teams Phone is a natural fit for organisations already paying for Microsoft 365 and wanting to consolidate voice, video, chat and file sharing into a single application; however, connecting it to local SIP trunks via Direct Routing requires certified session border controller hardware and careful configuration, which adds cost and complexity that not every SMB needs. 3CX is an open-standards IP-PBX — available as a cloud-hosted, self-hosted or hardware-based appliance deployment — that has built a strong following in Abu Dhabi among businesses wanting a full-featured phone system that works with any SIP trunk provider and a wide range of SIP desk phones, without being locked into a single vendor's ecosystem. Yeastar P-Series is a hardware-first platform that combines a physically rugged PBX appliance with a clean web-based management portal and a subscription-based feature tier model, making it attractive to businesses that want a predictable on-premises solution with a well-defined upgrade path. A free consultation with an experienced UAE integrator is the most reliable way to size and price each option for your specific headcount, call profile and integration requirements.

Understanding the Three Platforms

Each platform has a distinct architecture and commercial model, and understanding these differences is essential before comparing feature lists side-by-side.

3CX

3CX is a software-based IP-PBX developed by the Cyprus-headquartered vendor of the same name. It runs on Debian Linux (earlier versions also supported Windows) and can be deployed as a self-hosted instance on your own server, as a cloud virtual machine on a provider such as AWS or Azure, or as a fully cloud-hosted instance managed by 3CX themselves. An appliance-based option is also available through 3CX hardware partners. The platform uses open SIP standards throughout: it works with virtually any SIP-compatible trunk provider, any standards-compliant IP desk phone, and a wide range of door intercom and CRM integration modules. 3CX includes a native mobile app for iOS and Android, a web client, and a Windows desktop client — enabling full office-extension functionality from any internet-connected device.

3CX is licensed per simultaneous call (SC) rather than per user, with a free entry tier and paid tiers unlocking progressively more features; edition names and limits change from time to time, so confirm current terms with 3CX or your reseller. This structure is cost-effective for businesses whose staff do not all make calls at the same time, but it requires careful sizing during the assessment phase. For the full picture of 3CX in Abu Dhabi, visit our 3CX phone system Abu Dhabi page.

Microsoft Teams Phone

Microsoft Teams Phone is the voice-calling add-on to Microsoft Teams, Microsoft's collaboration platform that is already widely used across UAE government departments, professional services firms and multinational offices. It adds PSTN calling capability to Teams through one of three connectivity models: Microsoft Calling Plans (carrier service provided directly by Microsoft, currently with limited UAE coverage), Operator Connect (where a Microsoft-certified UAE carrier provides SIP trunking managed through the Teams Admin Centre), or Direct Routing (where a Session Border Controller appliance certified by Microsoft connects any SIP trunk provider to Teams).

The appeal is obvious for organisations already on Microsoft 365: staff make and receive calls from within the familiar Teams interface on desktop, browser or mobile, without installing a separate phone application. However, Teams Phone requires a Microsoft 365 licence plus a Teams Phone add-on licence per user, and Direct Routing requires a certified SBC — either on-premises or cloud-hosted — adding both hardware and configuration complexity. Managing Teams Phone in a UAE context also requires careful attention to which calling services are available and licensed for UAE use. Our Microsoft Teams Rooms Abu Dhabi page covers related Microsoft collaboration infrastructure in more detail.

Yeastar P-Series

The Yeastar P-Series is a range of hardware PBX appliances — P550, P560, P570 and the rack-mount P580 — that run Yeastar's own PBX operating system and are managed through a browser-based web portal, with Linkus UC Clients as the mobile, desktop and web softphone apps. Yeastar positions the P-Series as an on-premises unified communications platform for SMBs, with a subscription tier model (Standard, Enterprise, Ultimate) that unlocks additional features such as video calling, CRM integration, call centre queuing, and mobile and desktop softclients.

The hardware appliances are genuinely compact and physically robust — appropriate for office environments without dedicated server infrastructure — and setup is designed to be approachable for non-specialist IT administrators. Yeastar supports SIP trunk connectivity from any provider and is compatible with a wide range of Yealink, Fanvil and other SIP phones. The P-Series includes built-in failover between SIP trunks, making it resilient to individual carrier outages without additional configuration. For businesses wanting a simpler appliance-only tier with no ongoing subscription, Yeastar's S-Series (S20 and S50 currently; the larger S100 and S300 have reached end of sale and Yeastar points those users to the P-Series) is also available — Emirtech installs both the S-Series and P-Series depending on your feature requirements. For hotels specifically, Yeastar P-Series has stronger out-of-the-box hospitality features — PMS integration, wake-up call scheduling and room-status updates — making it the more commonly chosen platform for hospitality projects, though the 3CX Hotel Module is also capable of the same core functions. Emirtech also installs Grandstream UCM and FreePBX for businesses that prefer those platforms; this comparison focuses on the three most commonly requested options for Abu Dhabi SMBs.

Head-to-Head Comparison: Features, Licensing, SIP Trunk Fit & CRM Integration

The table below compares the three platforms across the dimensions most relevant to an Abu Dhabi SMB procurement decision. Feature availability depends on licence tier in all three cases — the descriptions below reflect general platform positioning based on widely published vendor information.

Dimension	3CX	Microsoft Teams Phone	Yeastar P-Series
Deployment model	Self-hosted (on-prem or cloud VM) or 3CX-hosted cloud; appliance-based option via partners	Cloud-only (Microsoft 365 cloud infrastructure); on-prem not supported	On-premises hardware appliance; software (virtual machine) and Yeastar-hosted cloud editions of the P-Series also exist
Licensing model	Per simultaneous call (SC); free entry tier; paid tiers by SC count & feature level	Per-user Microsoft 365 licence + Teams Phone add-on per user; SBC required for Direct Routing	Per appliance hardware purchase + annual subscription tier (Standard, Enterprise, Ultimate) for features
SIP trunk compatibility	Excellent — works with any standards-compliant SIP provider; wide UAE SIP trunk market access via SIP trunking solutions	Via Direct Routing (any SIP trunk + certified SBC) or Operator Connect (Microsoft-certified carrier); more complex and costly than native SIP	Good — standard SIP trunk support with built-in failover between trunks; UAE carrier compatible
IP desk phone compatibility	Very broad — any standards-compliant SIP phone; auto-provisioning for Yealink, Fanvil, Grandstream, Snom and others	Teams-certified phones only (Yealink, Poly, Logitech, Crestron Teams-certified models) — standard SIP phones will not work with Teams Phone	Broad SIP phone support; native auto-provisioning for Yealink and Fanvil; Yeastar-branded phones also available
Mobile & softphone client	Native iOS/Android app, web client, Windows/Mac desktop app — all included in licence	Microsoft Teams mobile and desktop app (already used by most Microsoft 365 customers); no separate app to install	Linkus UC Clients — iOS, Android, Windows, Mac and web — included with P-Series subscription tiers
Video calling	Available on Professional and Enterprise tiers — browser or desktop client	Full-featured video meetings and calls via Teams — the strongest video capability of the three	Available on Enterprise and Ultimate tiers via Linkus
CRM integration	Native connectors for Salesforce, HubSpot, Zoho CRM, Microsoft Dynamics, Freshdesk and others; click-to-call, screen-pop	Deep native integration with Microsoft Dynamics 365; third-party CRM via Microsoft Power Platform or Teams apps; strong for Microsoft-centric organisations	CRM integration on Enterprise and Ultimate tiers — Salesforce, HubSpot, Zoho and others; fewer connectors than 3CX out of the box
Call centre / queuing features	Queuing, ring groups, wallboard, callback, call recording — available from Professional tier	Teams Phone supports basic call queues and auto-attendants; full contact centre requires Microsoft Teams Contact Centre add-on or third-party CCaaS	Queue management, ring groups, callback, SLA reporting — available from Enterprise tier; stronger than Teams Phone base for call centre use
Call recording	Built in on Professional/Enterprise tiers	Requires Teams Premium licence or third-party compliance recording solution — adds cost per user	Built in on Enterprise/Ultimate tiers
Management interface	Web-based admin console; straightforward for qualified IP telephony administrators	Microsoft Teams Admin Centre — familiar to Microsoft 365 administrators; Direct Routing SBC management is separate and more technical	Clean browser-based portal — generally accessible to non-specialist IT staff; Yeastar provides guided setup wizards
Internet dependency for calls	Only internet-dependent in cloud deployment; self-hosted on-prem calls survive internet outages via local PSTN trunk	Fully internet-dependent — no Teams Phone functionality without Microsoft 365 cloud connectivity	On-premises appliance calls survive internet outages via local SIP trunk or PSTN gateway; core PBX is local
Best suited to	UAE SMBs wanting flexible SIP trunk choice, broad phone compatibility, strong CRM integration, and a choice of on-prem or cloud deployment	Organisations already on Microsoft 365 wanting a single app for calls, meetings, chat and files — and willing to invest in SBC infrastructure	Abu Dhabi SMBs wanting a compact, predictable on-premises PBX appliance with clean management and a defined subscription upgrade path

For a broader view of how these platforms fit within a unified communications strategy, see our unified communications Abu Dhabi page.

Decision Drivers

Three Factors That Commonly Tip the Decision

Microsoft 365 Investment & Teams Adoption

If your organisation has already deployed Microsoft 365 and your staff actively use Teams for chat and meetings, consolidating voice into Teams Phone removes a second application from their daily workflow and simplifies IT management. However, this benefit is reduced if staff primarily work from desk phones rather than computers — Teams Phone with a Teams-certified desk phone can deliver this, but the certified-phone hardware costs more than equivalent standard SIP phones. For organisations where Teams adoption is partial or telephony is the primary driver, 3CX or Yeastar P-Series typically offer a lower total cost of ownership.

SIP Trunk Flexibility & Local Carrier Choice

The UAE SIP trunk market offers a range of pricing structures from local carriers. 3CX and Yeastar P-Series both accept SIP trunks from any standards-compliant provider, giving your business the freedom to negotiate rates, add channels easily, and switch providers without changing the PBX platform. Microsoft Teams Phone's connection to UAE SIP trunks is through Direct Routing — which requires a certified Session Border Controller — or Operator Connect, which limits you to Microsoft's certified carrier list. Both options add infrastructure or contractual constraints that are worth weighing against the Teams integration benefit.

On-Premises Resilience vs Cloud Simplicity

A self-hosted 3CX or a Yeastar P-Series appliance on your premises means your core phone system keeps working during an internet outage as long as you have a local SIP trunk or PSTN gateway — an important consideration for businesses where uninterrupted inbound calls are critical. Microsoft Teams Phone is entirely cloud-dependent: any extended Microsoft 365 service disruption or internet connectivity loss takes out voice as well as messaging and meetings. For many Abu Dhabi offices with reliable fibre and 4G backup, this is an acceptable risk; for others, local-appliance resilience is a non-negotiable.

Which Platform Suits Your Abu Dhabi Business?

Organisation size and sector provide a useful starting point, but they interact with existing infrastructure, call profile and growth plans in ways that make a proper assessment worthwhile before committing to any platform.

Small businesses (under 20 users): All three platforms are viable at this scale. Yeastar P-Series P550 or P560 appliances provide a clean, low-maintenance on-premises solution for offices that want a physical phone system without significant IT overhead. A 3CX Free tier or Small Business licence is cost-effective for businesses with low simultaneous call volumes. Teams Phone at small scale only makes financial sense if the organisation already holds a Microsoft 365 plan that includes Teams Phone (Microsoft 365 E5 does; Business Premium needs the paid add-on) — otherwise the per-user add-on cost is difficult to justify versus alternatives.

Growing SMBs (20–100 users): This is where the platform differences become most commercially significant. 3CX Professional or Enterprise with a well-chosen UAE SIP trunk delivers a rich feature set — CRM integration, call recording, call queuing, mobile app — at a cost that scales by simultaneous calls rather than by total headcount, which is usually favourable for businesses where not all staff are on the phone simultaneously. Yeastar P-Series mid-range appliances are well suited to Abu Dhabi offices that want on-premises resilience, a structured upgrade path, and a management interface that a non-specialist can operate day-to-day. Teams Phone becomes increasingly attractive at this scale for Microsoft-centric organisations, but the SBC cost and per-user licence structure should be compared carefully in a total cost of ownership model.

Larger businesses and multi-site organisations (100+ users): 3CX Enterprise scales to large deployments and supports multi-tenant configurations, making it suitable for organisations with multiple office locations across Abu Dhabi, Dubai or Al Ain. Microsoft Teams Phone is widely deployed in larger enterprises and government bodies already standardised on Microsoft 365, and its integration with Microsoft Power Platform, Dynamics 365 and Microsoft Entra ID makes it compelling in these environments. Yeastar's P580 and multi-appliance configurations address larger sites, though Yeastar is more typically encountered in SMB deployments than large enterprise. For any site with complex multi-site telephony requirements, a structured design exercise is recommended — request a free consultation from Emirtech to discuss your specific scenario.

3CX suits SMBs wanting open SIP trunk choice, CRM integration & flexible deployment
Teams Phone suits organisations fully standardised on Microsoft 365 & Teams
Yeastar P-Series suits offices wanting a compact on-premises appliance with clean management
Direct Routing for Teams Phone requires a certified SBC — confirm total cost before committing
3CX & Yeastar both survive internet outages via local SIP trunks; Teams Phone does not
Compare per-simultaneous-call vs per-user licensing against your actual call patterns
Emirtech supplies, installs & maintains all three platforms in Abu Dhabi

Overhead view of a business team joining hands together over a meeting-room table

How Emirtech Approaches a Business Phone System Project in Abu Dhabi

Free Site Survey & Requirements Assessment

An Emirtech telephony engineer visits your Abu Dhabi premises to assess the existing network infrastructure, document current call volumes, extension counts and DDI requirements, identify any CRM or business application integration needs, and understand your remote-working and multi-site requirements. This assessment forms the basis of an accurate, site-specific recommendation rather than a generic platform preference.

Platform & Deployment Model Recommendation

Based on the survey, we recommend the most appropriate platform — 3CX, Microsoft Teams Phone, Yeastar P-Series or another solution — and the specific deployment model (on-premises, cloud-hosted or hybrid) that matches your resilience requirements, IT team capacity and total cost of ownership over a realistic hardware and licence lifecycle.

SIP Trunk Design & Network Preparation

We specify the SIP trunk requirement for your call volumes (the trunk itself is supplied by du or e&) — number of simultaneous channels, DDI range, geographic redundancy — and prepare the network for voice traffic by configuring Quality of Service (QoS) policies on switches and routers to prioritise voice packets. Poor QoS configuration is the most common cause of call-quality complaints on newly installed IP phone systems.

Supply, Installation & Commissioning

Emirtech supplies genuine hardware with valid manufacturer warranties and installs the system at your Abu Dhabi office — including IP phone provisioning, IVR menu configuration, call group and queue setup, CRM integration, mobile app deployment, and end-to-end call-quality testing. We migrate your existing extensions, coordinate number porting with your carrier (du or e&), and conduct a formal handover with documented configuration records.

Training & Annual Maintenance Contract

We provide administrator and end-user training covering day-to-day operation and common configuration changes. An optional Annual Maintenance Contract (AMC) covers firmware and security updates, licence renewals, periodic health checks and on-site fault response — keeping your phone system running reliably across its full service life.

Answers

Frequently Asked Questions

Can 3CX be used with UAE SIP trunk providers?

Yes. 3CX uses standard SIP protocols and is compatible with SIP trunk services from UAE-licensed carriers. The 3CX admin console includes pre-built configuration templates for many common providers, which simplifies trunk setup and reduces the risk of configuration errors during commissioning.

Does Microsoft Teams Phone work without an internet connection?

No. Microsoft Teams Phone depends entirely on connectivity to Microsoft 365 cloud services. If your internet connection fails, all Teams Phone functionality — including inbound and outbound calls — is unavailable until connectivity is restored. Businesses for whom uninterrupted telephony is critical should consider a local-appliance fallback or ensure a reliable 4G/5G failover link is in place.

What is Direct Routing for Microsoft Teams Phone, and do I need it in the UAE?

Direct Routing connects Microsoft Teams Phone to any SIP trunk provider by placing a certified Session Border Controller (SBC) between Teams and your chosen carrier. In the UAE, it is the most common method for connecting Teams Phone to local SIP trunks, as Microsoft Calling Plans have limited direct availability in the UAE market. The SBC can be an on-premises hardware appliance or a cloud-hosted service, but it adds both cost and complexity that should be factored into any total cost of ownership comparison.

How does Yeastar P-Series licensing work?

Yeastar P-Series involves a one-time hardware purchase for the PBX appliance, plus an annual subscription to one of three feature tiers: Standard, Enterprise or Ultimate. The Standard tier covers basic telephony; Enterprise adds CRM integration, call recording, video calling and advanced call centre features; Ultimate adds additional capacity and premium support options. The tier also sets the capacity (the number of extensions and concurrent calls), so confirm the current limits with Yeastar when you size the system.

Can I use standard SIP desk phones with Microsoft Teams Phone?

No. Microsoft Teams Phone only supports Teams-certified IP phones, which are specific models from brands such as Yealink, Poly, Logitech and Crestron that have been tested and approved by Microsoft. Standard SIP phones — including many existing Yealink, Grandstream or Fanvil models that work perfectly with 3CX or Yeastar — are not compatible with Teams Phone. This can represent a significant additional hardware cost if your business already has SIP phones deployed.

Which platform is most suitable for a business with CRM integration requirements?

3CX has the broadest out-of-the-box CRM integration library, with native connectors for Salesforce, HubSpot, Zoho CRM, Microsoft Dynamics, Freshdesk and others — providing click-to-call and screen-pop functionality from within the CRM interface. Microsoft Teams Phone integrates natively and deeply with Microsoft Dynamics 365 and can connect to other CRMs via the Microsoft Power Platform. Yeastar P-Series supports CRM integration on its Enterprise and Ultimate subscription tiers, with a more limited range of connectors than 3CX. The right choice depends on which CRM your business uses and the depth of integration your workflows require.

Is Emirtech approved to install phone systems in Abu Dhabi?

Emirtech Technology is a systems integrator (ADMCC-approved for security systems) based at M44, Mussafah, Abu Dhabi, operating since 2018. We supply, install and maintain 3CX, Microsoft Teams Phone, Yeastar P-Series and other IP telephony platforms for businesses across Abu Dhabi. ADMCC approval relates to physical security systems in Abu Dhabi; for telephony and IT installations, verify any sector-specific regulatory requirements with the relevant authority for your industry.

How do I compare the total cost of 3CX versus Teams Phone versus Yeastar for my specific business?

A meaningful total cost of ownership comparison requires knowing your exact headcount, simultaneous call volumes, required feature tier, existing hardware and network infrastructure, and SIP trunk pricing from your chosen UAE carrier. Emirtech can produce a side-by-side cost model for your specific scenario as part of a free consultation — this is the only reliable way to compare the three platforms fairly given the different licensing structures and hardware requirements involved.

Can my existing phone numbers be ported to the new system?

Generally yes. Numbers stay with the carrier that supplies them (du or e&), so porting is arranged with that carrier ahead of cutover and Emirtech plans the system cutover around it, regardless of which platform — 3CX, Teams Phone or Yeastar — you choose. Emirtech is not a telecom licensee and does not supply lines or numbers.

How are 3CX, Yeastar and Teams Phone licensed: per extension or per simultaneous call?

They meter differently. 3CX licences are based on the number of simultaneous calls, with a maximum number of extensions for each edition. Yeastar P-Series plans set limits on extensions and concurrent calls. Microsoft Teams Phone is licensed per user and also needs a route to the public telephone network. Limits and prices change, so confirm the current terms with each vendor. Emirtech sizes the system around your staff count and your busiest-hour call volume, then gives a written quotation after a free site survey.

3CX or Grandstream UCM: which is better for a UAE office?

3CX is a software PBX that runs on your own server or a hosted one, is licensed by simultaneous calls and has mobile and desktop apps, so it suits companies that want flexibility, several sites or CRM links. Grandstream UCM is an appliance whose built-in features are not licensed per user, with Grandstream desk phones and the Wave app, so it suits small and mid-size offices that want one box and a simple cost. Both work with du or e& SIP trunks once configured, and both can sit alongside Microsoft Teams in different ways; we confirm the integration you need at the survey. See our 3CX page and Grandstream page.

Yeastar PABX Systems Abu Dhabi

Full model range and specifications for the Yeastar S-Series and P-Series platforms compared here.

Microsoft Teams Phone Deployment

Direct Routing, Operator Connect and SBC sizing detail for the Teams Phone option compared here.

VoIP & IP-PBX Cost Guide

Budget planning across 3CX, Yeastar and Teams Phone licensing, phones and SIP trunks.

PABX vs IP-PBX vs Cloud Phone

A broader architecture-level comparison, for readers still deciding between on-premises and cloud.

PABX and IP-PBX Systems in Abu Dhabi

Installation of PABX, IP-PBX and VoIP telephone systems.

Ready to get started?

Get a free consultation and an itemised, no-obligation quotation from Abu Dhabi's technology specialists.