--- title: How to Assign a Phone Number to a Buyer description: Check our step-by-step guide and find out how to assign a phone number to a Buyer in the SIP Trunking section. --- [Skip to content](https://support.phonexa.com/how-to-assign-a-phone-number-to-a-buyer#main-content) [![phonexa\_logo-white](https://support.phonexa.com/hubfs/phonexa_logo-white.svg)](https://support.phonexa.com/?hsLang=en) Open main navigation Close main navigation - [➜\]](https://phonexa.com/) [➜\]](https://phonexa.com/?hsLang=en) Phonexa Support Center - There are no suggestions because the search field is empty. 1. [Knowledge Base](https://support.phonexa.com/?hsLang=en) 2. [LMS Sync & Call Logic](https://support.phonexa.com/lms-sync-call-logic?hsLang=en) 3. [Client Management](https://support.phonexa.com/lms-sync-call-logic?hsLang=en#client-management) # How to Assign a Phone Number to a Buyer ## Check our step-by-step guide and find out how to assign a phone number to a Buyer in the SIP Trunking section.    A phone number acts as a Buyer’s channel within Call Logic. Follow the instructions below to set up Buyer phone numbers in the system. To configure settings, go to the **Client Management \> Setup \> Phone Numbers** section. [![](https://support.phonexa.com/hs-fs/hubfs/image%201-Apr-21-2026-07-58-26-0951-AM.png?width=670&height=302&name=image%201-Apr-21-2026-07-58-26-0951-AM.png)](https://support.phonexa.com/hubfs/image%201-Apr-21-2026-07-58-26-0951-AM.png?hsLang=en) To add a new number, click the **“Add New Record”** button and fill in the data fields in the **“Add New”** pop-up window. [![](https://support.phonexa.com/hs-fs/hubfs/image%202-Apr-21-2026-07-59-05-4022-AM.png?width=595&height=416&name=image%202-Apr-21-2026-07-59-05-4022-AM.png)](https://support.phonexa.com/hubfs/image%202-Apr-21-2026-07-59-05-4022-AM.png?hsLang=en) Choose the “**Destination”** option: **External Phone Number/SIP Trunk**. Enter a valid international telephone number (if you select the **External Phone Number** option) or Sip Trunk number (example: xxx@trunkname, where “trunk name” is the name of the Trunk created on the **System Management \> General \> SIP Trunking** section) in the field below. The Sip Trunk number consists of an active buyer phone number and the Trunk name added to the system. Find the required Trunk number in the **“Sip Trunking”** section. Select a **“Product”** and a **“Buyer”** from the drop-down lists and click the **“Save”** button to proceed. *Read about how to set up SIP Trunking in our Knowledge Base [article](https://support.phonexa.com/sip-trunking?hsLang=en).* - [General information](https://support.phonexa.com/general-information?hsLang=en#main-content) - [Account Settings](https://support.phonexa.com/general-information?hsLang=en#account-settings) - [Security Settings](https://support.phonexa.com/general-information?hsLang=en#security-settings) - [Users](https://support.phonexa.com/general-information?hsLang=en#users) - [System Customization](https://support.phonexa.com/general-information?hsLang=en#system-customization) - [Project Customization](https://support.phonexa.com/general-information?hsLang=en#project-customization) - [Product Customization](https://support.phonexa.com/general-information?hsLang=en#product-customization) - [System Management](https://support.phonexa.com/general-information?hsLang=en#system-management) - [Support](https://support.phonexa.com/general-information?hsLang=en#support) - [LMS Sync & Call Logic](https://support.phonexa.com/lms-sync-call-logic?hsLang=en#main-content) - [Extra Features](https://support.phonexa.com/lms-sync-call-logic?hsLang=en#extra-features) - [Publisher Configuration](https://support.phonexa.com/lms-sync-call-logic?hsLang=en#publisher-configuration) - [Client Management](https://support.phonexa.com/lms-sync-call-logic?hsLang=en#client-management) - [System Logs](https://support.phonexa.com/lms-sync-call-logic?hsLang=en#system-logs) - [Documents And References](https://support.phonexa.com/lms-sync-call-logic?hsLang=en#documents-and-references) - [Reports and Analytics](https://support.phonexa.com/lms-sync-call-logic?hsLang=en#reports-and-analytics) - [Publisher management](https://support.phonexa.com/lms-sync-call-logic?hsLang=en#publisher-management) - [Call Logic Customization](https://support.phonexa.com/lms-sync-call-logic?hsLang=en#call-logic-customization) - [Campaign Configuration](https://support.phonexa.com/lms-sync-call-logic?hsLang=en#campaign-configuration) - [Feed CMS](https://support.phonexa.com/lms-sync-call-logic?hsLang=en#feed-cms) - [Event Tracking](https://support.phonexa.com/lms-sync-call-logic?hsLang=en#event-tracking) - [iClear](https://support.phonexa.com/lms-sync-call-logic?hsLang=en#iclear) - [E-Delivery](https://support.phonexa.com/e-delivery?hsLang=en#main-content) - [List Management](https://support.phonexa.com/e-delivery?hsLang=en#list-management) - [Email Campaigns](https://support.phonexa.com/e-delivery?hsLang=en#email-campaigns) - [SMS Campaigns](https://support.phonexa.com/e-delivery?hsLang=en#sms-campaigns) - [Reports](https://support.phonexa.com/e-delivery?hsLang=en#reports) - [Suppression Management](https://support.phonexa.com/e-delivery?hsLang=en#suppression-management) - [Books360](https://support.phonexa.com/books360?hsLang=en#main-content) - [Books 360 Integration](https://support.phonexa.com/books360?hsLang=en#books-360-integration) - [Vendor Management](https://support.phonexa.com/books360?hsLang=en#vendor-management) - [Account](https://support.phonexa.com/books360?hsLang=en#account) - [Customer Management](https://support.phonexa.com/books360?hsLang=en#customer-management) - [Opt-Intel](https://support.phonexa.com/opt-intel?hsLang=en#main-content) - [List Management](https://support.phonexa.com/opt-intel?hsLang=en#list-management) - [All Reports](https://support.phonexa.com/opt-intel?hsLang=en#all-reports) - [Mailers](https://support.phonexa.com/opt-intel?hsLang=en#mailers) - [Campaigns](https://support.phonexa.com/opt-intel?hsLang=en#campaigns) - [System Management](https://support.phonexa.com/opt-intel?hsLang=en#system-management) - [HitMetrix](https://support.phonexa.com/hitmetrix?hsLang=en#main-content) - [Analytics](https://support.phonexa.com/hitmetrix?hsLang=en#analytics) - [Heatmaps](https://support.phonexa.com/hitmetrix?hsLang=en#heatmaps) - [System Management](https://support.phonexa.com/hitmetrix?hsLang=en#system-management) - [Lynx](https://support.phonexa.com/lynx?hsLang=en#main-content) - [Offers](https://support.phonexa.com/lynx?hsLang=en#offers) - [LYNX Reports](https://support.phonexa.com/lynx?hsLang=en#lynx-reports) - [Advertisers](https://support.phonexa.com/lynx?hsLang=en#advertisers) - [Affiliates](https://support.phonexa.com/lynx?hsLang=en#affiliates) - [Account Settings](https://support.phonexa.com/lynx?hsLang=en#account-settings) - [Cloud PBX](https://support.phonexa.com/cloud-pbx?hsLang=en) [![Phonexa\_logo\_color](https://support.phonexa.com/hubfs/Phonexa_logo_color.svg "Phonexa_logo_color")](https://phonexa.com/?hsLang=en) Phonexa Knowledge Base Copyright © 2026, Phonexa