What is sip trunking?

SIP Trunking enables calls over the internet and allows you to cut out the middle man so you cam greatly reduce your business phone bill. As simple it sounds, SIP Trunking often seems complicated to many, but it does not have to be. With SIP trunking, a provider that connects one or twenty channels thus enabling local and international calls via the internet through a PBX phone system. SIP Trunking removes the middleman and connects your phone system directly to the main carriers. This is what big telecommunication and phone companies such as Ring Central, Nextiva, Avaya Cloud Office and others often do but at a higher reseller rate.

At CMC Communications, we bring office phone systems that support work from home at an affordable price. Our business phone services include using SIP Trunking to slash down phone bills for your business. It is our ultimate goal at CMC Communication to cut your business phone bill in half or more and we mean it. In a case where this becomes challenging, in our full commitment to reduce business phone bills, we will bring you the best-priced business phone system monthly anyone can offer. You can count on us to help you reduce your office phone bills and add many other phone system features you need and never had before

Sip Trunking

Multiple Billing Options

Pay per minute

Pay per channel

Unlimited calls

Sip Trunking

SIP trunking services in Austin, San Antonio, Houston

CMC Communications brings you the best SIP Trunking services at an affordable rate that would save you a fortune on a phone system for your business no matter big or small. We bring your SIP Trunking at its best with work from home services and features. By introducing a smarter way of setting up and paying for an office phone system, we can bring a better alternative for work from the phone system.

No need to pay per seat with a true PBX system and SIP trucking. Pay for how many lines you need only. It’s complicated, call us so we can explain.
More also, you can port and retain your existing numbers. Our PBX phone system also allows you to work from home with its work from home features that enhance business communication effectively.

CMC Communications provides SIP trunking services in Austin, San Antonio, Houston, Round Rock, Georgetown, San Marcos, Kyle, Buda, New Braunfels, Seguin, Boerne, Castroville, Pleasanton, Creedmoor, Manchaca, West Lake Hills, Bee Cave, Lakeway, Cedar Park, Pflugerville, Hutto, Manor, Wells Branch, Jollyville, Leander in Texas.

Contact us today to receive a custom quote for your business.

Benefits of SIP trunking

One major advantage of SIP trunking is cost savings. With SIP trunking, you only pay for the number of voice channels you need rather than paying for individual analog phone lines. This allows you to easily scale your phone system capacity up or down as your business needs and number of employees change. Additionally, SIP trunks allow you to make inexpensive VoIP calls between office locations.

Another important benefit is access to advanced features. SIP trunks provide your business with various advanced calling features that can significantly improve productivity and customer service. These features include call forwarding, conferencing, auto attendants, voicemail to email, call recording, and many more. Our clients love having these powerful tools right at their fingertips.

A third key benefit is enhanced reliability over traditional analog phone lines. With built-in failover capabilities, your phone system will stay up and running even if your primary internet connection goes down. SIP trunking provides redundancy to ensure your business doesn’t miss any sales calls or important customer inquiries. This reliability gives our clients peace of mind.

Quality Assurance

Our SIP trunking service undergoes rigorous quality testing to ensure reliability. We always monitor call quality and guarantee 99.999% uptime. If any issues arise, our skilled support staff will troubleshoot promptly to minimize disruption. We continually upgrade our network infrastructure to deliver robust and clear connectivity. As a customer-focused company, we are committed to providing enterprise-grade SIP trunking with exceptional quality.

Our Service Areas

At CMC Communication, we proudly offer innovative and advanced telecommunication services. Our reliable services are widespread in Texas cities like, Austin, San Antonio, Houston, Fort Worth, and Dallas! Our broad range of services is designed to meet your business needs and goals. Get ready to connect with an enhanced communication system with CMC Communication!

Austin, Texas
& Surrounding Areas

San Antonio, Texas
& Surrounding Areas

Houston, Texas
& Surrounding Areas

Fort Worth, Texas
& Surrounding Areas

Dallas, Texas
& Surrounding Areas

How can we win your business?

Free quotes or schedule a DEMO

CMC Communications Is The Top Rated Sip Trunking Service Provider

CMC Communications is a leading telecommunications service provider. We are the top-rated contractor in the industry. We try to give superior service, results, and long-term relationships to our customers.

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Industries We Serve

At CMC Communication, we take great pride in providing cutting-edge telecommunications solutions to a broad range of businesses. Our diverse services are designed to satisfy the specific requirements of companies in a variety of industries, including new construction, healthcare, education, manufacturing, hospitality, and retail. Experience efficient connectivity and enhanced communication systems with CMC Communication.


Trusted cabling contractor for businesses, offering reliable ⁠ network installation and structured cabling solutions.


Advanced technology solutions for large companies, ensuring seamless data connections and efficient management.


Enhance productivity with our professional network ⁠ cabling services and business phone system installations.


Optimize warehouse operations with our tailored network solutions, ⁠ enabling seamless connectivity and efficient data transfer.


Network infrastructure solutions enable continuous operations and streamlined data management in manufacturing facilities.

New Construction

Industry-leading cabling contractor for new construction projects, ⁠ providing structured cabling and fiber optic installation services.


Connect students and educators with our reliable ⁠ network solutions for educational institutions. Experience fast data transfer.


With our network infrastructure, healthcare facilities can enjoy secure ⁠ and efficient communication and smooth data transfer.


Trusted cabling partner for government organizations, ⁠ delivering secure and scalable network solutions.


Enhance guest experiences with our reliable network ⁠ installations for hotels and hospitality establishments.