Unified Communications as a Service (UCaaS)
Calling, meetings, messaging and presence in one application, backed by Dollu’s global voice network - with calling plans in 110+ countries and native integrations with Microsoft 365, Google Workspace and your CRM.
110+
Countries, calling plans
99.99%
Platform availability
24×7
NOC and support
What is Unified Communications as a Service (UCaaS)?
Dollu UCaaS brings the tools a team uses to talk to each other and to customers into a single application on desktop, mobile and browser: PSTN and internal calling, HD video meetings with screen sharing and recording, persistent team channels and direct messages, file sharing, and presence that reflects calendar, call and device state. Behind the app sits the same voice core, number inventory and carrier interconnects that power our wholesale business, which is why our calling quality and country coverage tend to be broader than software-first UC vendors that resell someone else’s network.
The platform is designed to sit inside the tools people already use rather than compete with them. Users can place and receive calls from Microsoft Teams, Outlook, Gmail and Google Calendar, see presence synchronised with their calendar, and click to dial from Salesforce, HubSpot, Zoho, Zendesk and Microsoft Dynamics with screen-pop and automatic call logging. Single sign-on via Microsoft Entra ID, Google or any SAML 2.0 identity provider, and SCIM provisioning, mean a new starter gets a working number and extension the moment their account is created.
Administrators get one portal for the whole estate: users, numbers, devices, call flows, meeting policies, recording rules and security settings, with role-based access so a regional office manager can change a hunt group without seeing another country’s billing. Analytics cover call volumes, answer times, meeting usage, adoption by team and quality-of-experience metrics such as MOS, jitter and packet loss per call, so IT can spot a poorly performing office network before users complain.
Global calling plans are where being a carrier matters most. We offer domestic and international bundles in more than 110 countries, with local numbers, emergency calling and regulatory registration handled per country, and metered rates from our wholesale rate deck for anything outside the bundle. Data residency options in the EU, UK, India and Singapore, TLS and SRTP encryption, and ISO 27001 and SOC 2 controls cover the requirements of most enterprise procurement and security reviews.
Why choose Dollu for ucaas.
The advantages of buying from a carrier that owns its network, interconnects and operations - rather than a reseller.
One bill, one vendor, one app
Replace a phone system, a meetings subscription, a chat tool and several country carriers with a single per-user subscription, one admin portal and one support desk.
Carrier-grade calling anywhere
Calls ride Dollu’s own network and direct interconnects, so a user in Mumbai, Manchester or Manila gets the same call quality, local number and emergency-calling coverage.
Adoption without retraining
Calling and presence appear inside Teams, Outlook, Gmail and the CRM your staff already live in, so usage rises without a change-management programme.
Insight into how teams actually communicate
Adoption, responsiveness and quality dashboards per team and site show where customers wait, where meetings sprawl and where a network is degrading calls.
Enterprise security by default
Encrypted signalling, media and messaging, SSO and MFA, granular retention policies, eDiscovery export and independently audited controls satisfy security questionnaires first time.
Capabilities in detail.
Everything included with Unified Communications as a Service (UCaaS) - the platform features, options and controls you get from day one.
- 01
Cloud calling
Full business telephony - extensions, auto-attendant, hunt groups, queues, voicemail-to-email, recording, call flip between devices - with direct-dial numbers and calling plans in 110+ countries.
- 02
Video meetings
HD meetings for up to 250 participants with screen and application sharing, breakout rooms, live captions, cloud recording with transcript, dial-in numbers in 60+ countries and a webinar mode for larger audiences.
- 03
Team messaging
Persistent channels, direct and group messages, threads, reactions, file sharing with search, guest access for external partners and message retention policies set per workspace.
- 04
Presence and status
Availability derived automatically from calendar, active call and device state, published across the app, Teams, Outlook and the CRM, with manual overrides and do-not-disturb schedules.
- 05
Microsoft 365 and Google Workspace integration
Click-to-call and presence in Teams and Outlook, one-click meetings from Outlook and Google Calendar, contact sync, and SSO with Microsoft Entra ID or Google identity.
- 06
CRM and helpdesk integrations
Native connectors for Salesforce, HubSpot, Zoho, Microsoft Dynamics, Zendesk, Freshdesk and ServiceNow with screen-pop, click-to-dial, automatic activity logging and call recording links on the record.
- 07
Admin portal
Users, numbers, devices, call flows, meeting and recording policies, security settings and billing in one console with role-based access, bulk import, SCIM provisioning and an audit log.
- 08
Analytics and quality of experience
Call and meeting volumes, answer and abandonment rates, adoption by team, and per-session MOS, jitter, packet loss and codec, with alerts when a site or ISP falls below thresholds.
- 09
Global calling plans and numbers
Domestic and international bundles per country, local and toll-free numbers, porting, emergency calling and regulatory registration, plus wholesale metered rates outside the bundle.
How it works.
From first conversation to live traffic - a tracked, engineer-led onboarding with a named owner at every step.
- Step 01
Assess and design
We review your current telephony, meetings and chat tools, user counts by country, integrations and compliance needs, and design the tenant, number plan and calling bundles.
- Step 02
Provision and integrate
The tenant is built, SSO and SCIM are connected, numbers are allocated or ported, and Microsoft 365, Google Workspace and CRM connectors are configured and tested with pilot users.
- Step 03
Migrate and train
Users move site by site or department by department with dual-running, short role-based training sessions and in-app guides; legacy systems are decommissioned once each wave is stable.
- Step 04
Operate and optimise
Adoption and quality dashboards guide tuning. Your account manager reviews usage and bundles quarterly, and the 24×7 NOC monitors the platform and your calling traffic.
Who uses this and why.
Typical deployments across carriers, enterprises, platforms and contact centres.
Distributed enterprises
Standardise communications across offices in many countries with local numbers and calling plans everywhere and one administrative model.
Sales and customer-facing teams
Click-to-dial from the CRM, automatic logging, recording on the opportunity record and presence so managers can see who is available to take a lead.
IT teams and managed service providers
Multi-tenant administration, APIs and white-label options for MSPs delivering UC to their own customers on Dollu’s platform and network.
Education
Staff calling, parent-facing numbers and large-audience meetings with recording and captions for schools, colleges and universities on tight budgets.
Consultancies and agencies
Project channels with client guest access, meetings with recording and transcript, and business numbers on personal mobiles for staff always on the move.
Technical & commercial specifications.
Key parameters at a glance. Ask us for the full service description and SLA document.
| Clients | Windows, macOS, iOS, Android, browser (WebRTC); SIP desk phones |
|---|---|
| Calling | PSTN in 110+ countries; local, mobile, toll-free numbers; porting |
| Meetings | Up to 250 participants; webinar mode; recording, transcript, captions |
| Messaging | Channels, DMs, threads, files, guest access; retention policies |
| Identity | SSO via Entra ID, Google, SAML 2.0; MFA; SCIM provisioning |
| Integrations | Microsoft 365, Google Workspace, Teams, Slack, Salesforce, HubSpot, Zoho, Dynamics, Zendesk |
| Security | TLS 1.2+, SRTP, encrypted storage; ISO 27001, SOC 2, GDPR |
| Data residency | EU, UK, India, Singapore; US on request |
| Availability | 99.99% platform SLA; geo-redundant across Dollu PoPs |
| Support | 24×7 NOC; P1 response ≤ 15 min; named account manager |
How UC & Contact Centre is priced.
Cloud PBX, UCaaS and CCaaS are priced per seat per month with bundled or metered minutes; Teams Direct Routing per user; global numbers added at rental + usage.
We publish the model, not a public rate card - actual rates depend on destination, route class, volume and regulatory cost. See how every Dollu service is priced.
- Monthly or annual terms
- Metered or bundled minutes per seat
- Integrations and admin portal included
- Volume pricing above 100 seats
- Add global numbers at rental + usage
- Billing
- Seats invoiced monthly in advance; metered usage in arrears
- Commitment
- Monthly or annual; annual terms unlock better seat pricing
UCaaS - your questions answered.
The questions customers and carriers ask us most often before they interconnect. If yours is not here, our team answers within one business day.
Still have a question?
Ask our solutions teamRelated services.
Services customers commonly combine with Unified Communications as a Service (UCaaS).
See UCaaS on your own numbers.
Ask for a pilot tenant with numbers in your key countries and connectors to your Microsoft 365 or Google Workspace and CRM, and evaluate it with a real team for 30 days.
