--- title: Voice & Network Engineering Services For Enterprises | ECG description: Optimize your network infrastructure with voice & data engineering services for multi-site and large-scale enterprises. Contact ECG today to learn more. --- [![ECG](https://www.ecg.co/hubfs/lp/cloud-migration/logo-vector.svg)](https://www.ecg.co?hsLang=en) - Who We Are Company [**About ECG** Learn about the team behind the networks and services that solve real problems.](https://www.ecg.co/about?hsLang=en) [**Careers** Join a fun, collaborative, engineer-owned company.](https://www.ecg.co/careers?hsLang=en) Industries We Serve [**Enterprises** Optimize multi-site voice networks while meeting compliance requirements.](https://www.ecg.co/sectors/enterprise) [**Universities** Professional services designed for the unique needs of campus networks.](https://www.ecg.co/sectors/universities?hsLang=en) [**Government** Engineering services built for government agency voice challenges.](https://www.ecg.co/sectors/government?hsLang=en) [**Service Providers** Deep voice expertise to maintain compliance and keep customers connected.](https://www.ecg.co/sectors/service-providers?hsLang=en) - Technologies **Carrier & Trunking Services** SIP trunking, resilience & carrier interconnect **Compliance & Call Authentication** STIR/SHAKEN, 603+ & secure signaling **Unified Communications & Collaboration** UC capabilities & platform expertise **Platform Reliability & Security** Infrastructure, capture & network fundamentals ### Carrier & Trunking Services Design, harden, and secure the carrier side of your voice network — from SIP trunking to encrypted media and compliant recording. [SIP Trunking](https://www.ecg.co/technologies/sip-trunking-consulting-expertise?hsLang=en) [SIP Trunking High Availability](https://www.ecg.co/technologies/sip-trunking-high-availability?hsLang=en) [STIR/SHAKEN](https://www.ecg.co/technologies/stir-shaken?hsLang=en) [603+](https://www.ecg.co/technologies/603-plus-do-not-originate?hsLang=en) [eSIM & FMC](https://www.ecg.co/technologies/esim-fmc?hsLang=en) [VoIP TLS & SRTP](https://www.ecg.co/technologies/voip-encryption-tls-srtp?hsLang=en) [SIPREC](https://www.ecg.co/technologies/siprec-call-recording?hsLang=en) ### Compliance & Call Authentication Meet regulatory requirements end-to-end — call authentication, robocall mitigation, lawful capture, and encrypted signaling. [STIR/SHAKEN](https://www.ecg.co/technologies/stir-shaken?hsLang=en) [603+](https://www.ecg.co/technologies/603-plus-do-not-originate?hsLang=en) [Packet Capture / PCAP](https://www.ecg.co/technologies/pcap-wireshark-packet-capture-analysis?hsLang=en) [VoIP TLS & SRTP](https://www.ecg.co/technologies/voip-encryption-tls-srtp?hsLang=en) ### Unified Communications & Collaboration Modern UC capabilities backed by deep, hands-on expertise across every major voice platform. [E911](https://www.ecg.co/technologies/e911?hsLang=en) [Business Texting](https://www.ecg.co/technologies/business-texting?hsLang=en) [Teams Replace Phone System](https://www.ecg.co/technologies/ms-teams-replace-phone-system?hsLang=en) [Provisioning & Endpoint Mgmt](https://www.ecg.co/technologies/sip-provisioning-endpoint-management?hsLang=en) [Call Control & Features](https://www.ecg.co/technologies/call-control-features?hsLang=en) [SIP Trunking HA](https://www.ecg.co/technologies/sip-trunking-high-availability?hsLang=en) [SIPREC](https://www.ecg.co/technologies/siprec-call-recording?hsLang=en) [vCon](https://www.ecg.co/technologies/vcon-virtualized-conversations?hsLang=en) Platform Expertise [BroadWorks](https://www.ecg.co/technologies/broadworks?hsLang=en) [NetSapiens](https://www.ecg.co/technologies/netsapiens-support?hsLang=en) [Metaswitch Alianza Core](https://www.ecg.co/technologies/metaswitch-alianza-core?hsLang=en) [Oracle Communications](https://www.ecg.co/technologies/oracle-communications-support?hsLang=en) [Metaswitch Perimeta](https://www.ecg.co/technologies/metaswitch-perimeta?hsLang=en) [Sansay VSXi](https://www.ecg.co/sansay-vsxi-session-border-controller?hsLang=en) ### Platform Reliability & Security The infrastructure layer underneath your voice services — engineered, monitored, and secured by people who run it every day. [EKS / Kubernetes](https://www.ecg.co/technologies/kubernetes-eks?hsLang=en) [Critical Network Fundamentals](https://www.ecg.co/technologies/critical-network-fundamentals?hsLang=en) [Packet Capture / PCAP](https://www.ecg.co/technologies/pcap-wireshark-packet-capture-analysis?hsLang=en) [VMware & Alternatives](https://www.ecg.co/technologies/vmware-alternatives?hsLang=en) [Routing, Switching & Firewalls](https://www.ecg.co/technologies/routing-switching-firewalls?hsLang=en) [Freeswitch](https://www.ecg.co/technologies/freeswitch-open-source-call-processing?hsLang=en) - How We Do It Services [**Services Overview** Our experience and expertise in voice and data engineering.](https://www.ecg.co/services?hsLang=en) [**Network Operations** Keep your voice network running with outsourced network operations.](https://www.ecg.co/services/network-operations?hsLang=en) [**Staff Augmentation** Expert engineering support to meet deadlines and fill knowledge gaps.](https://www.ecg.co/services/staff-augmentation?hsLang=en) [**IT Consulting & Engineering** Complete short-term projects faster with a dedicated project manager.](https://www.ecg.co/services/it-consulting-and-engineering?hsLang=en) - Resources #### [Utilities Launch Delay Calculator Estimate what a potential product launch delay would cost your business. Try the calculator](https://www.ecg.co/cost-delay-calculator?hsLang=en) #### [Resource Library Guides, White Papers & Tools In-depth resources on voice engineering, compliance, and AI — built from real client work. Explore resources](https://www.ecg.co/resource-library?hsLang=en) #### [Blog Latest from the ECG Team Practical articles on SIP, UC platforms, network operations, and voice AI. Read the blog](https://www.ecg.co/blog?hsLang=en) - [Events](https://www.ecg.co/events?hsLang=en) [Login](https://portal.ecg.co) [Contact](https://www.ecg.co/contact?hsLang=en) Who We Are [About ECG](https://www.ecg.co/about?hsLang=en) [Careers](https://www.ecg.co/careers?hsLang=en) Industries We Serve [Enterprises](https://www.ecg.co/sectors/enterprise) [Universities](https://www.ecg.co/sectors/universities?hsLang=en) [Government](https://www.ecg.co/sectors/government?hsLang=en) [Service Providers](https://www.ecg.co/sectors/service-providers?hsLang=en) Technologies Carrier & Trunking Services [SIP Trunking](https://www.ecg.co/technologies/sip-trunking-consulting-expertise?hsLang=en) [SIP Trunking High Availability](https://www.ecg.co/technologies/sip-trunking-high-availability?hsLang=en) [STIR/SHAKEN](https://www.ecg.co/technologies/stir-shaken?hsLang=en) [603+](https://www.ecg.co/technologies/603-plus-do-not-originate?hsLang=en) [eSIM & FMC](https://www.ecg.co/technologies/esim-fmc?hsLang=en) [VoIP TLS & SRTP](https://www.ecg.co/technologies/voip-encryption-tls-srtp?hsLang=en) [SIPREC](https://www.ecg.co/technologies/siprec-call-recording?hsLang=en) Compliance & Call Authentication [STIR/SHAKEN](https://www.ecg.co/technologies/stir-shaken?hsLang=en) [603+](https://www.ecg.co/technologies/603-plus-do-not-originate?hsLang=en) [Packet Capture / PCAP](https://www.ecg.co/technologies/pcap-wireshark-packet-capture-analysis?hsLang=en) [VoIP TLS & SRTP](https://www.ecg.co/technologies/voip-encryption-tls-srtp?hsLang=en) Unified Communications & Collaboration [E911](https://www.ecg.co/technologies/e911?hsLang=en) [Business Texting](https://www.ecg.co/technologies/business-texting?hsLang=en) [Teams Replace Phone System](https://www.ecg.co/technologies/ms-teams-replace-phone-system?hsLang=en) [Provisioning & Endpoint Mgmt](https://www.ecg.co/technologies/sip-provisioning-endpoint-management?hsLang=en) [Call Control & Features](https://www.ecg.co/technologies/call-control-features?hsLang=en) [SIP Trunking HA](https://www.ecg.co/technologies/sip-trunking-high-availability?hsLang=en) [SIPREC](https://www.ecg.co/technologies/siprec-call-recording?hsLang=en) [vCon](https://www.ecg.co/technologies/vcon-virtualized-conversations?hsLang=en) Platform Expertise [BroadWorks](https://www.ecg.co/technologies/broadworks?hsLang=en) [NetSapiens](https://www.ecg.co/technologies/netsapiens-support?hsLang=en) [Metaswitch Alianza Core](https://www.ecg.co/technologies/metaswitch-alianza-core?hsLang=en) [Oracle Communications](https://www.ecg.co/technologies/oracle-communications-support?hsLang=en) [Metaswitch Perimeta](https://www.ecg.co/technologies/metaswitch-perimeta?hsLang=en) [Sansay VSXi](https://www.ecg.co/sansay-vsxi-session-border-controller?hsLang=en) Platform Reliability & Security [EKS / Kubernetes](https://www.ecg.co/technologies/kubernetes-eks?hsLang=en) [Critical Network Fundamentals](https://www.ecg.co/technologies/critical-network-fundamentals?hsLang=en) [Packet Capture / PCAP](https://www.ecg.co/technologies/pcap-wireshark-packet-capture-analysis?hsLang=en) [VMware & Alternatives](https://www.ecg.co/technologies/vmware-alternatives?hsLang=en) [Routing, Switching & Firewalls](https://www.ecg.co/technologies/routing-switching-firewalls?hsLang=en) [Freeswitch](https://www.ecg.co/technologies/freeswitch-open-source-call-processing?hsLang=en) How We Do It Services [Services Overview](https://www.ecg.co/services?hsLang=en) [Network Operations](https://www.ecg.co/services/network-operations?hsLang=en) [Staff Augmentation](https://www.ecg.co/services/staff-augmentation?hsLang=en) [IT Consulting & Engineering](https://www.ecg.co/services/it-consulting-and-engineering?hsLang=en) Resources [Launch Delay Calculator](https://www.ecg.co/cost-delay-calculator?hsLang=en) [Guides, White Papers & Tools](https://www.ecg.co/resource-library?hsLang=en) [Latest from the ECG Team](https://www.ecg.co/blog?hsLang=en) [Events](https://www.ecg.co/events?hsLang=en) [Login](https://portal.ecg.co) [Contact](https://www.ecg.co/contact?hsLang=en) ## ENTERPRISES: # Simplify Your Voice Network Management Optimize your multi-site or large-scale voice and data networks with ECG. [consult ecg](https://www.ecg.co/contact?hsLang=en) Our services ## Tailored Voice Infrastructure for Enterprises Get professional services designed to fit your complex voice and data network needs. ![Out-of-the-Box Functionality](https://www.ecg.co/hubfs/Out-of-the-Box%20Functionality.svg) #### Compliance Engineering Ensure your voice network and call center comply with call routing and call recording standards, STIR/SHAKEN, E911, and more. ![Network Security-1](https://www.ecg.co/hubfs/Network%20Security-1.svg) #### Network Security Secure your enterprise network against cyber attacks targeting SIP access devices, core servers, and session border controllers. ![Staff Augmentation-2-1](https://www.ecg.co/hubfs/Staff%20Augmentation-2-1.svg) #### Staff Augmentation Rely on our experts to design and deploy your network, install new voice services, and keep systems up-to-date and maintained. The ECG Advantage ## Streamlined Voice Network Management Large-scale enterprise voice and data networks are complex and difficult to manage. Rely on ECG for: ![Expertise](https://www.ecg.co/hubfs/Expertise.svg) #### Expertise A proven track record of helping enterprises optimize their network infrastructure since 1995. ![Customized Solutions](https://www.ecg.co/hubfs/Customized%20Solutions.svg) #### Customized Solutions Services designed to fill in your internal team’s voice network technology skill gaps. ![Reliability](https://www.ecg.co/hubfs/Reliability.svg) #### Reliability Around-the-clock troubleshooting and customer support to keep operations running smoothly. Enterprise Clients ## Trusted by Leading Organizations Join the ranks of our esteemed partners. ![](https://www.ecg.co/hubfs/databank.svg) ![vonage](https://www.ecg.co/hubfs/vonage.svg) ![imgs-sectiona-people-remote-working 1-Dec-27-2023-06-49-26-1850-AM](https://www.ecg.co/hubfs/imgs-sectiona-people-remote-working%201-Dec-27-2023-06-49-26-1850-AM.png "imgs-sectiona-people-remote-working 1-Dec-27-2023-06-49-26-1850-AM") Why ECG? ## Services Designed for Enterprises Optimize your multi-site or large-scale voice network while meeting industry compliance requirements with expert support from ECG. ## Success Stories From Our Clients ECG is definitely the right team for our network! Nicole Rodriguez AVP Switching and Wireless Data Engineering | AT&T Mobility ECG's broad scope of clients means they know what's happening before we do. We stay competitive with ECG as our guide. Mark Hayes VP of Voice Engineering | Momentum Telecom ECG has really cool technology! Jeff Pulver Voice over IP Pioneer ECG delivers exceptional quality and service via their software products and consulting services. Speaking as someone with direct large scale enterprise delivery with their team, my personal experience has been universally positive. Joe Pfiefer Assistant Director | U.S. Department of Justice I'm happy to say I've partnered with ECG at a number of service providers. You guys have been an outstanding engineering and operations partner for my teams. Tom Faherty VP | Databank ECG is a reliable partner. Edwin Martirosyan COO | BluIP [Book Consult](https://www.ecg.co/contact?hsLang=en) [learn more](https://www.ecg.co/about?hsLang=en) ## Experience the ECG Advantage Whether you’re a service provider, enterprise, or government agency, your voice infrastructure is in good hands with ECG. ![\_Ñëîé\_1](https://www.ecg.co/hubfs/_%C3%91%C3%AB%C3%AE%C3%A9_1.svg) #### Proven Expertise Our team has decades of proven experience building and supporting voice networks. ![\_Ñëîé\_1](https://www.ecg.co/hubfs/_%C3%91%C3%AB%C3%AE%C3%A9_1.svg) #### Powerful Partnerships Our strategic alliances are designed to help deliver customer-centric, total solutions to our clients. ![\_Ñëîé\_1](https://www.ecg.co/hubfs/_%C3%91%C3%AB%C3%AE%C3%A9_1.svg) #### Elevated Network Design We draw from experience with dozens of service providers to create straightforward, manageable designs. ![\_Ñëîé\_1](https://www.ecg.co/hubfs/_%C3%91%C3%AB%C3%AE%C3%A9_1.svg) #### Comprehensive Support Our team will assist in your technical projects, support your goals, automate processes, and train your team. GET STARTED WITH ECG TODAY ## Book Your 30-Minute Connect Call Get in touch with ECG for products and services that support your crucial voice infrastructure needs.  [![ecg-logo-white](https://www.ecg.co/hubfs/ecg-site/global/ecg-logo-white.svg "ecg-logo-white")](https://www.ecg.co/?hsLang=en) 505 North Toombs St. Suite A Valdosta, Georgia 31601 USA #### Headquarters - 1.866.324.0700 US Toll-free - 1.229.244.2099 International - 1.229.244.2399 Fax - [info@e-c-group.com](mailto:info@e-c-group.com) #### Services - [Overview](https://www.ecg.co/services?hsLang=en) - [Network Operations](https://www.ecg.co/services/network-operations?hsLang=en) - [Custom AI Development](https://www.ecg.co/services/custom-ai-development?hsLang=en) - [Outsourced NOC Support](https://www.ecg.co/services/outsourced-noc-support?hsLang=en) - [Staff Augmentation](https://www.ecg.co/services/staff-augmentation?hsLang=en) - [IT Consulting & Engineering](https://www.ecg.co/services/it-consulting-and-engineering?hsLang=en) #### Company - [About](https://www.ecg.co/about?hsLang=en) - [Careers](https://www.ecg.co/careers?hsLang=en) - [Blog](https://www.ecg.co/blog?hsLang=en) - [Resources](https://www.ecg.co/resource-library?hsLang=en) - [Events](https://www.ecg.co/events?hsLang=en) © ECG, Inc. [Privacy Policy](https://9353907.hs-sites.com/privacy?hsLang=en)