Bring SolSwitch Inside Your Environment
Take advantage of customizable features, modern functionality, AI tools and advanced routing while keeping call control and data on-site.
Ideal for organizations with strict compliance requirements, private networks or locations where an on-premise PBX delivers the best mix of control, resiliency and long-term cost savings.
Why Choose an On-Premise PBX?
On-premise keeps your phone system, hardware and data inside your own environment - with full control and a lower total cost of ownership over time.
Key Advantages
- Full control over where your hardware and data live.
- Deep integration with your LAN/WAN, firewalls, QoS and private circuits.
- Works with your own carriers and SIP trunks.
- Local survivability - keep calling even if the internet is interrupted.
- Lower total cost of ownership over the life of the system.
Check Out the SolSwitch Platform Overview
On-premise runs the full SolSwitch Communications Platform. See the complete feature set and the cloud-vs-on-premise comparison on the platform hub.
See the SolSwitch overviewPrefer a hands-off setup?
If you'd rather skip on-site hardware and pay per user, a cloud hosted PBX may be the better fit.
Looking for Hosted PBX?SolSwitch Appliances
We offer flexible options for your organization.
SS1000
Small and Medium Business
| Includes SolSwitch version 3.0! Our fastest, latest and best software release. |
| Ideal for up to 250 devices/users |
|
Concurrent Calls Included: 40
Can be upgraded to 1,000 concurrent calls! |
| CPU: 1 x Intel Xeon 3.3Ghz |
| Cores/CPU: 4 |
| Storage: 2 x 1TB NVMe SSD (RAID 1) |
| Memory: 16GB |
| Network: 2 x Gigabit Ethernet |
| Form Factor: 1U Rackmount |
| Dimensions (W x D x H): 427mm x 355mm x 43mm |
| Power: Single 260W Supply |
| Download Datasheet |
SS4000
Large Corporations and Multi-Site Enterprises
| Includes SolSwitch version 3.0! Our fastest, latest and best software release. |
| Ideal for up to 4,000 devices/users |
|
Concurrent Calls Included: 40
Can be upgraded to 4,000 concurrent calls! |
| CPU: 2 x Intel Xeon 2.4Ghz |
| Cores/CPU: 10 |
| Storage: 2 x 1TB NVMe SSD (RAID 1) + 4 x 4TB HDD (RAID 10) |
| Memory: 64GB |
| Network: 4 x Gigabit Ethernet |
| Form Factor: 1U Rackmount |
| Dimensions (W x D x H): 437mm x 754mm x 43mm |
| Power: Dual 750W Redundant Supplies |
| Download Datasheet |
ONE COMMUNICATIONS PLATFORM FOR ALL YOUR TELECOM NEEDS
Discover how the SolSwitch delivers seamless connectivity designed to streamline your business communications.
LICENSING
On-Premise SolSwitch Licences
Tailor your on-premise appliance with only the licences you need. On-premise licensing is quote-based - talk to us for the right mix and pricing.
Capacity & Calling
| +60 Concurrent Calls | Adds 60 simultaneous call paths to your system. |
|---|---|
| +100 Concurrent Calls | Adds 100 simultaneous call paths to your system. |
| Unlimited Concurrent Calls | Removes the concurrent-call limit entirely. |
Platform Features
| Hospitality Licence | Front-desk dashboard to control long distance, message-waiting indicators and wake-up calls. |
|---|---|
| Multi-Tenant Licence | Host multiple tenants on your SolSwitch appliance. |
| Single Tenant Licence | Host a single tenant on your SolSwitch appliance. |
| White Label Licence | Removes Sunwire and SolSwitch branding from the admin portal. |
Resilience & Scaling
| High Availability Licence | Syncs an active and standby appliance so calls continue uninterrupted if the active unit fails. |
|---|---|
| Load Balancing Licence | Two synced systems in separate locations keep calls running if one site goes down. |
| Database Server Licence | Dedicated server that monitors database syncing and node failure. |
| Software Assurance | Ongoing software updates and version upgrades for your appliance. |
Integrations & Add-ons
| Microsoft Teams Cloud Gateway | Direct-routing gateway so Microsoft Teams works as your office phone. |
|---|---|
| SIP Aggregator Licence | Deploy, manage and route SIP trunks and services with no interoperability issues. |
| SolSwitch Connect Licence | Mobile and desktop softphone for Windows, Mac, iOS and Android (subscription). |
| SolCast Licence | Adds the SolCast outbound broadcast system (voice, SMS and email campaigns). |
Built for Resellers and Carriers
Deploy SolSwitch as a multi-tenant platform for your own customers. Ideal for telecom providers, MSPs and IT partners.
Get in Touch With UsMulti-Tenant Architecture
- Per-tenant configuration for multiple customers or sites.
- Centralized management across tenants.
- Branding and feature profiles by customer or vertical.
- APIs and integrations for portals, billing and OSS/BSS.
Tenant & Carrier Licencing
- Licensing options for small MSP footprints and large carriers.
- On-premise, cloud or hybrid hosting models.
- Access to documentation, best practices and design support.
- Partner with Sunwire to build and operate your offering.
Voice
- Connect to compatible existing SIP trunks and phone numbers.
- Leverage Sunwire phone lines for simple, end-to-end delivery.
- Mix providers by site or region if required.
- Route calls based on cost, geography or failover rules.
SMS & Messaging
- Use Sunwire or third-party messaging carriers where supported.
- Support for business-grade SMS/MMS from SolSwitch queues.
- Separate voice and messaging providers if contracts require it.
- Design for resilience across carriers where needed.
Use Your Own Provider or Ours
SolSwitch integrates with a range of SIP trunk and messaging providers. Use Sunwire for a turnkey solution, connect to your existing carriers, or blend both.
Speak with an Expert
Designed for
Redundancy
Keep phones working at key locations - even when the unexpected happens.
Designed for Redundancy
Keep phones working at key locations - even when the unexpected happens.
Automatic Failover
For mission-critical environments, keep your system working - even during unexpected hardware failures.
Scale Out, Not Just Up
Design your on-premise deployment to balance call processing across multiple SolSwitch nodes.
Local Control at Each Site
On-premise SolSwitch deployments can be designed for "stay-online" operation at each site.
Frequently Asked Questions
A business phone system is like the brain behind making and receiving of calls for an organization. Also known as a PBX (Private Branch Exchange), it is often a mix of hardware and software that handles routing and switching of calls between a business and the telephone network.
Originally, the 'PBX' was nothing but a switchboard operator. It's name originates from the way it interacts with the PSTN (Public Switched Telephone Network).
Today, phone systems such as the SolSwitch, have evolved into suites of Unified Communications tools that cover a wide range of corporate telecom needs.
Yes. SolSwitch is the same core platform whether it’s on-premise or in the cloud. Many customers start on-premise and later move locations or user groups to a hosted model.
With on-premise SolSwitch and local trunks, we can design site survivability so your PBX continues to operate for internal and, where possible, external calls during outages.
In many cases, yes. SolSwitch can connect to compatible SIP providers for voice and SMS while also leveraging Sunwire services where it makes sense. Compatibility is validated during design.
For mission-critical environments, we can design HA pairs and load-balanced clusters using SS1000 and SS4000 appliances so your architecture matches your uptime targets.
Yes. SolSwitch supports multi-tenant deployments with tenant/carrier licensing options. MSPs and telecom providers can operate SolSwitch as part of their own service stack.
Timelines depend on the number of sites, users, carriers and integrations, but most single-site deployments can be scoped, configured and cut over within a defined project window. You’ll receive a clear plan before we begin.
Sunwire can provide you with a local number to any area in North America, a toll-free number or short codes for SMS texting.
Although each company has a unique set of communication requirements, the most popular items that businesses typically look for in a communications platform include:
- Support: The ability to fully support customers before, during and after deployment. Downtime is costly - this should be considered when choosing a communications solution.
- Reliability/Redundancy: We understand the importance of ensuring your business is operating as best as possible. Sunwire provides advanced support options, high-availability and load-balancing systems as well as a wide-range of additional redundancy options.
- Features/Functionality: Systems must perform so much more than tasks of just a phone system. The SolSwitch has 100s of customizable unified communication features and functionality.
- Security: Sunwire is pursuing SOC 2 attestation (target 2027). As a Cybersecurity and IT provider, our experts are very familiar with safeguarding information.
- Costs: The main reason companies move away from traditional systems to VoIP systems are for cost-savings.
- Scalability: Growing your communication system as you grow your business is not only easy and cost-effective - it can all be done with quickly and at your pace.
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