Business VoIP Starting at $20 Per Line/Month – Cloud PBX Included

Business phone service, eFax and business internet from a local team that also installs the cabling, network and phones behind them. One partner to call when something needs to change.

Toll-free 844-727-8353 · Local 281-482-2031

Business VoIP Pricing & Phone System Features

Business VoIP for Houston, Pearland and Webster businesses: one simple plan, priced per line, with the Cloud PBX included. Built on Grandstream business phone systems and installed and supported by our own local team.

One plan. No tiers.

Business VoIP Line

$20/line/month

Cloud PBX included · Add lines at the same $20 rate

  • Standard Cloud PBX access included
  • No separate PBX access fee
  • Business calling, inbound and outbound
  • Voicemail and call routing
  • Standard PBX features
  • Simple monthly pricing per line

Optional Services & Add-ons

ServicePrice
On-Premises PBX ServiceOptional alternative to the included Cloud PBX, not an extra charge on top of it. Covers PBX service and management; installation, hardware ownership or rental, replacement and support terms are set in your agreement. $49/month per system
Additional DID / Phone NumberExtra local or direct-dial numbers for departments, locations or campaigns. $15/month
Managed GS Wave Mobile ExtensionThe Grandstream Wave app is free; this covers provisioning and support of your managed mobile, desktop or web extension. $10/month
Additional Internal ExtensionExtra extensions for rooms, shared phones, paging or internal-only use. $10/month
Microsoft Teams IntegrationBusiness calling inside Microsoft Teams. Requires technical validation of your Microsoft 365 setup first. $10/user/month
eFax ServiceSend and receive faxes by email, with no fax machine or analog line needed. $20/month
Professional Message-on-Hold Recording & SetupProfessionally recorded on-hold messages, loaded and set up on your system. $235 one-time
Auto-Attendant SetupWe build your greeting and menu options so callers reach the right person or department. $35 one-time

Hardware, installation, taxes and regulatory fees are quoted separately where applicable. Final activation is subject to SpaceCenter Systems review; we contact you to confirm your setup and number porting before service starts.

Business Phone System Features

Our Grandstream UCM6300-series PBX systems give your team the calling, routing and mobility tools larger companies use, without the complexity.

  • Auto attendant (IVR)Greet callers and route them by department.
  • Voicemail-to-emailPersonalized greetings, messages delivered to your inbox.
  • Ring groupsRing a team at once or in order so calls get answered.
  • Business-hours routingAfter-hours and holiday schedules handled automatically.
  • Mobile & desktop appsGrandstream Wave on phones, computers and the web.
  • Follow Me & forwardingCalls find you on your desk phone, cell or app.
  • Transfer, hold & parkEveryday call handling for busy front desks.
  • Conference callingThree-way and multi-party conferences.
  • Call queuesHold callers in line and distribute calls to agents.
  • Paging & intercomAnnounce to the office or call another desk directly.
  • Call recordingRecord calls for training and quality.
  • Call reportsCall history, call detail records and analytics.
View All Features
Business Calling
Caller ID, call waiting, hold, transfer, call park, speed dial, call history, three-way and multi-party conferencing
Call Management
Call forwarding, Follow Me, simultaneous ringing, ring groups, call pickup, hunt-style routing, Do Not Disturb
Reception & Routing
Auto attendant (IVR), multi-level menus, business-hours schedules, after-hours routing, holiday schedules, dial-by-name directory
Voicemail
Personalized voicemail, voicemail-to-email, voicemail access from compatible devices and apps
Call Center
Call queues, automatic call distribution, queue announcements, agent availability and call reports
Mobility
Grandstream Wave mobile, desktop and web applications, remote extensions, remote calling and collaboration
Collaboration
Audio conferences, video meetings, internal messaging and collaboration tools
Recording & Reporting
Call recording, call detail records, call history, reports and analytics
Office Communications
Paging, intercom, busy lamp field, shared line appearance and extension dialing
Management & Security
Device provisioning, centralized administration, supported encryption and remote device management
Additional Integrations
Microsoft Teams calling integration, eFax, custom greetings and professionally recorded message-on-hold

Available features depend on configuration, licensing, hardware and service design. Some advanced capabilities and integrations, including Microsoft Teams, require setup or an optional service, so not every feature is enabled automatically.

Local Business Phone Systems, Installed by Our Own Team

We handle the whole job: the phones, the network cabling behind them, number porting and support after go-live. Pair your phones with managed IT services and business internet for one point of contact for your technology.

Business VoIP FAQs

How much does business VoIP cost with SpaceCenter Systems?

Business VoIP is $20 per line per month with standard Cloud PBX access included. There is no separate PBX access fee, and you can add lines at the same $20 rate. Optional services such as extra phone numbers, eFax or Microsoft Teams integration are priced separately.

Is the Cloud PBX included in the $20 per line price?

Yes. Standard Cloud PBX access is included with every line, along with business calling, voicemail, call routing and standard PBX features.

What is the On-Premises PBX Service?

It is an optional alternative to the included Cloud PBX for businesses that want a PBX system at their location. The $49 monthly charge per system covers PBX service and management. Hardware and installation are quoted separately, and ownership or rental, replacement and support terms are set in your agreement.

What phone systems do you use?

We install and support Grandstream business phone systems, including the UCM6300-series PBX and Grandstream desk phones such as the GXP2170 and GXP2135, delivered programmed and configured.

Can you integrate with Microsoft Teams?

Yes, Microsoft Teams calling integration is available for $10 per user per month. Because it depends on your Microsoft 365 setup, we validate it with your team before turning it on.

Can we keep our existing business phone numbers?

In most cases, yes. We coordinate number porting from your current provider and schedule the cut-over to keep downtime to a minimum.

Which areas do you serve?

Our technicians install and support business phone systems across the Houston area, including Pearland and Webster. Cloud business phone service is also available to businesses in Dallas, Austin, San Antonio and across Texas.

Ready to switch your business phones? Get pricing for your lines and options, or see the system in action.

Get a Quote Schedule a Demo Call 281-482-2031

Business Internet

Availability and pricing depend on your address, so we check what’s available at your location and quote the best options for your business.

Fiber Internet

Dedicated or shared fiber with fast, symmetrical speeds for offices that depend on the cloud, voice and video.

Coax / Cable Internet

Widely available, cost-effective broadband for small offices and as a backup connection.

Fixed Wireless Internet

Point-to-point wireless service where fiber or cable isn’t available or installation needs to be fast.

Cellular 4G / 5G Internet

Cellular connectivity for primary service, failover, job sites and temporary locations.

Why Get Voice & Internet From SpaceCenter Systems

Local Installation

Our own technicians run the cabling, install the phones and network equipment, and test everything on site.

One Point of Contact

Phones, internet, network and IT support from the same team, so there’s no finger-pointing between vendors.

Number Porting Handled

We coordinate moving your existing numbers and schedule the cut-over to keep downtime to a minimum.

Support After Go-Live

Moves, adds, changes and troubleshooting are handled by the people who installed your system.

Get Your Business Connected

Tell us how many users and locations you have, and we’ll recommend the right Business Voice plan and internet options for your address. Call 844-727-8353 (toll-free), or call or text 281-482-2031.

Need phone or Internet options? Call or Text 281-482-2031