Session Initiation Protocol (SIP) Trunking Services Market Report 2026

The session initiation protocol (sip) trunking services market size has grown rapidly in recent years. It will grow from $18.52 billion in 2025 to $21.04 billion in 2026 at a compound annual growth rate (CAGR) of 13.6%. The growth in the historic period can be attributed to growing adoption of internet based calling, rising enterprise focus on cost efficient telephony, increasing digital communication infrastructure, growth in unified communication integration, rising preference for centralized calling platforms.

The session initiation protocol (sip) trunking services market size is expected to see rapid growth in the next few years. It will grow to $34.53 billion in 2030 at a compound annual growth rate (CAGR) of 13.2%. The growth in the forecast period can be attributed to increasing enterprise digital transformation, rising migration toward cloud voice services, growing scalability needs in communication systems, expansion of hosted and managed sip services, increasing focus on telecom modernization initiatives. Major trends in the forecast period include growing adoption of voip communication services, increasing shift from traditional telephony to sip, rising demand for flexible communication connectivity, increasing use of sip for enterprise communication integration, growing preference for scalable voice communication solutions.

The growing adoption of cloud-based solutions is expected to drive the growth of the Session Initiation Protocol (SIP) Trunking Services market in the coming years. Cloud-based solutions refer to software, platforms, or services that are hosted on remote servers and accessed via the internet, enabling users to store, manage, and process data without depending on local hardware or on-premises infrastructure. The increasing use of cloud-based solutions is largely driven by scalability, as organizations can easily scale computing resources up or down as needed without investing in physical infrastructure. Cloud-based solutions support SIP Trunking services by offering scalable, flexible, and cost-effective infrastructure that simplifies management, enhances reliability, and allows seamless integration with modern communication platforms. For example, in April 2025, according to the American Bar Association, a U.S.-based professional organization, around 75% of attorneys reported using cloud computing for work-related tasks, an increase from 69% in 2023 and approximately 70% in 2022. Therefore, the rising adoption of cloud-based solutions is expected to fuel the growth of the SIP trunking services market.

Leading companies in the session initiation protocol (SIP) trunking services market are investing in advanced technologies like ANR (Automatic Node Recognition) to enhance communication solutions. ANR technology automatically detects and organizes network nodes, making it easier to manage communication systems by improving call quality, streamlining connectivity, and facilitating seamless integration with existing infrastructure. For example, in April 2024, Tonmind, a technology company, introduced the OpenScape Unified Communications Server. This platform integrates traditional voice services with video and instant messaging, offering a unified communication solution for organizations.

In January 2024, Siris Capital Group, LLC, a New York-based private equity firm specializing in technology and telecommunications investments, acquired BearCom for an undisclosed sum. This acquisition allows Siris Capital Group, LLC, to strengthen its portfolio by capitalizing on BearCom's capabilities to drive growth, enhance operational efficiencies, and create value in the technology sector. BearCom, based in the U.S., provides communication solutions and manufactures and distributes wireless communication equipment.

Major companies operating in the session initiation protocol (sip) trunking services market report are AT&T Inc., Verizon Communications Inc., Lumen Technologies, Inc., BT Group plc, Deutsche Telekom AG, Orange S.A., Telefónica S.A., Vodafone Group plc, China Mobile Limited, Singtel Group, Telstra Corporation Limited, NTT Communications Corporation, Tata Communications Limited, Bandwidth Inc., Twilio Inc., Telnyx LLC, GTT Communications, Inc., Gamma Communications plc, TalkTalk Telecom Group plc, RingCentral, Inc., Vonage Holdings Corp., CM.com N.V., MTN Group Limited.

North America was the largest region in the Session Initiation Protocol (SIP) trunking services market in 2025. Europe was the second-largest market in the SIP trunking services market. The regions covered in the session initiation protocol (sip) trunking services market report are Asia-Pacific, South East Asia, Western Europe, Eastern Europe, North America, South America, Middle East, Africa. The countries covered in the session initiation protocol (sip) trunking services market report are Australia, Brazil, China, France, Germany, India, Indonesia, Japan, Taiwan, Russia, South Korea, UK, USA, Canada, Italy, Spain.

The session initiation protocol (SIP) trunking services market consists of revenues earned by entities that are engaged in providing services such as symmetrical trunking and asymmetrical trunking. The market value includes the value of related goods sold by the service provider or included within the service offering. Only goods and services traded between entities or sold to end consumers are included.

The market value is defined as the revenues that enterprises gain from the sale of goods and/or services within the specified market and geography through sales, grants, or donations in terms of the currency (in USD unless otherwise specified).

The revenues for a specified geography are consumption values that are revenues generated by organizations in the specified geography within the market, irrespective of where they are produced. It does not include revenues from resales along the supply chain, either further along the supply chain or as part of other products.

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