[Glossary](https://telxpress.com/glossary/) / Voice # Call routing **Call routing** is the set of rules a phone system or AI agent uses to decide who receives an incoming call, based on the caller, the time, the reason, availability and skills. - Voice - Updated October 11, 2026 - Written by the Telxpress advisory team 01 In depth ## What it is, why it matters and *what to ask a vendor* Call routing covers everything from a simple ring group to rules that send a repeat customer to their account manager, Spanish speakers to a bilingual queue, after-hours calls to an on-call phone, and overflow to an AI voice agent or voicemail. In cloud phone systems the rules live in a web portal and can be changed in minutes. Growing businesses change faster than their routing. New hires, new locations, a sales team that now works from home: each one quietly breaks a rule written when the business was smaller, and callers end up in the wrong voicemail. Reviewing routing is one of the quickest ways to recover missed revenue without buying anything. Ask a vendor how routing rules are edited and by whom, whether rules can use CRM data such as customer status, how calls are handled when everyone is busy, and what reports show about calls that went to voicemail or were abandoned in a queue. 02 Related terms ## Terms that usually come up *alongside it* - Voice ### [Auto attendant](https://telxpress.com/glossary/auto-attendant/) An auto attendant is the recorded phone menu that greets callers and routes them by keypad or spoken choice (press one for sales), without a live person or a conversation. - Voice ### [Warm transfer](https://telxpress.com/glossary/warm-transfer/) A warm transfer hands a caller to a colleague only after the person transferring has spoken to that colleague, passed on the caller's name and reason, and confirmed they are ready to take the call. - Voice ### [AI voice agent](https://telxpress.com/glossary/ai-voice-agent/) An AI voice agent is software that answers phone calls in natural conversation, understands what the caller wants, answers questions, books appointments and transfers or takes messages when a person is needed. - Phones ### [Cloud phone system](https://telxpress.com/glossary/cloud-phone-system/) A cloud phone system is a business phone service hosted by a provider and delivered over the internet, so phones, apps and features are managed through a web portal rather than hardware in your office. 03 At Telxpress ## Where this shows up *at Telxpress* The pages and articles where this term does real work: what we advise, build and support. - Page ### [Business VoIP & Cloud Phone Systems in Irvine](https://telxpress.com/solutions/business-technology/phone-systems/) VoIP, cloud phone systems, UCaaS and SIP trunks from Yealink, Nextiva, Avaya, Yeastar and Polycom, installed, supported and ready for AI call handling. - Page ### [Donya AI Voice Agent: Never Miss a Call](https://telxpress.com/solutions/ai/voice-agent/) Donya answers every call 24/7, qualifies leads and books appointments. Call the demo line to hear it. Built and run by Telxpress. - Page ### [AI Agents & Business Automation](https://telxpress.com/solutions/ai/) AI voice, sales and support agents plus CRM and workflow automation, deployed and supported by our team. Based in Irvine, CA. Next step ## Want This Applied *to Your Business?* Book a free 30-minute AI readiness consultation. You'll leave with three AI opportunities specific to your business, whether you work with us or not. [Book My Free Consultation](https://telxpress.com/book/) [Take the Free AI Readiness Assessment](https://telxpress.com/ai-readiness/) [Or call 24/7: (949) 861-4500](tel:+19498614500) Last reviewed: October 11, 2026. Published by Telxpress, Irvine, CA.