Connectivity Platform
  • Connectivity Platform Documentation
  • WhatsApp Business Account
    • Can I have multiple WhatsApp Managers in my dashboard?
    • Can my WhatsApp Business subscription be billed monthly?
    • Getting an Official Business Account ("Green Tick") for WhatsApp
    • How do I change my WhatsApp Business display name
    • How to cancel your WhatsApp Business API subscription
    • How to check my quality rating and messaging limits?
    • How to remove 2FA on my WhatsApp channel?
    • Managing your WhatsApp Business account information
    • Migrating WhatsApp Business from another provider (BSP)
    • Migrating to another provider (BSP)
    • My WhatsApp Business Account has been disabled, what can I do?
    • WhatsApp Account FAQ's
    • WhatsApp Billing & Pricing
    • WhatsApp Business App vs API
  • Account
    • Accounts, Workspaces, Users, & Subaccounts
    • Activation code
    • Add & switch between Workspaces
    • Changing ownership of your Workspace
    • Delete an Account and Workspace
    • How to add, edit & delete users
    • I don't remember the email address attached to my Account
    • I’ve lost my password
    • Make someone else in charge of the Account
    • My activation code has not come through
    • Transfer credit to another Account
    • Update personal details on my account
    • Why does MessageBird need my mobile phone number?
  • Add the Omnichannel widget to your online store
    • Adding the MessageBird Omnichannel Widget to a Shopify store
    • Adding the MessageBird Omnichannel Widget to a Squarespace store
    • Adding the MessageBird Omnichannel Widget to a Wix store
    • Adding the MessageBird Omnichannel Widget to a WordPress site or WooCommerce store
  • Admin resources
    • Manager Portal
  • Advanced functionalities
    • Create and use custom functions in Flow Builder
    • Create and use your own custom Flow Builder steps
    • Create your own date formatting function in Flow Builder
    • How to set up Google Places on WhatsApp and Telegram
    • Integrate GCP Cloud Functions and omni-channel automation with FlowBuilder
    • Integrate MongoDB and Omni-Channel automation with FlowBuilder
    • Integrate granular conversational reporting in FlowBuilder with Microsoft Power BI
    • Making an API request and formatting the results in a Flow Function
    • Using Databases
  • Advanced inbox automations and routing
    • Routing setup flow
    • Sentiment Routing
  • Advanced settings
    • Data retention settings
  • Agent resources
    • Contact merging in Inbox
    • Setting your agent status
  • Application security
    • Does MessageBird conduct code scans?
    • Does MessageBird conduct penetration testing on application?
    • How does MessageBird manage SDLC?
  • Basics
    • FlowBuilder Overview Page
    • FlowBuilder Steps Glossary
    • Getting Started with Flow Builder
    • Triggers, Numbers, Templates, & Steps
    • What is Flow Builder?
  • build-and-manage-a-flow
    • Autosave Feature and Version History
    • Get insights about conversation movement with the Flow Heatmap
    • Manage Data Retention of your Flow
    • Steps Grouping
  • business-continuity-and-disaster-recovery
    • Does MessageBird have BCP?
  • contacts
    • Add existing contacts to groups
    • Create a Group
    • Export contacts
    • Formatting your contact numbers
    • How many contacts can I store?
    • How to forward an invoice to a different email address?
    • Managing group subscribers
    • Remove Contacts
  • conversations-chat-api
    • I'm not able to send a message to a certain User ID via the API
    • No messages in Conversation channel
    • Unable to Install Channel
  • country-restrictions-and-regulations
    • Sender ID Availability and Restrictions per Country
    • Australia
    • Canada
    • China
    • France
    • Germany
    • India
    • Japan
    • Malaysia
    • New Zealand
    • Nigeria
    • Norway
    • Romania
    • Russia
    • Singapore
    • South Africa
    • Turkey
    • United Arab Emirates
    • United Kingdom
    • United States
    • United States 10DLC FAQ
  • customizing-the-omnichannel-widget
    • Can I hide the MessageBird privacy consent message in Live Chat on the Omnichannel Widget?
    • Can I hide the “Powered by MessageBird” branding on the Omnichannel Widget?
    • Can I upload a custom logo as my Omnichannel Widget icon?
    • How can I show or hide my agent profiles in Live Chat and the Omnichannel Widget?
    • How can I update the language of my Omnichannel Widget?
    • How to customize the Omnichannel Widget
    • Update my Live Chat company name and avatar
    • What is the default MessageBird privacy consent message in Live Chat?
  • data-governance-and-security
    • Are the responsibilities regarding data stewardship defined, assigned, documented, and communicated?
    • Does MessageBird encrypt the data?
    • How is access to customer data managed in MessageBird?
    • Is production data used for testing?
    • Bird Security Overview
    • What is MessageBird’s data retention strategy?
    • Where is data stored and processed?
  • data-protection
    • Can MessageBird services be used by customers operating in heavily regulated sectors (such as health
    • Did MessageBird appoint a Data Protection Officer (DPO)?
    • Does MessageBird collect sensitive data?
    • Does MessageBird have a Data Processing Agreement (DPA)?
    • Does MessageBird notify its customers in the event of data breaches?
    • Does MessageBird require a transfer mechanism to process EU citizens' data?
    • Does MessageBird share customer data with, or enable direct access by, any third-party?
    • Does MessageBird support data subjects requests?
    • How long does MessageBird retain personal data?
    • Is MessageBird Data controller or processor?
    • What are the legal grounds for the processing of personal data?
    • What does MessageBird provide as a service?
    • What kind of data does MessageBird collect?
    • What mitigating measures has MessageBird taken in relation to the invalidated Privacy Shield?
  • developer-faqs
    • How do I send text-to-speech messages via the API?
    • What is the difference between a live key and a test key?
  • email-platform-formerly-sparkpost
    • Add more IP addresses to your account
    • Billing frequencies and overages
    • Cancel your MessageBird Email (SparkPost) account
    • Choose the best email-sending package
    • Limits of free email sending accounts
    • Pay your MessageBird Email (SparkPost) invoice
    • Sending less than the monthly email sending limit Volume
    • Sending more than the monthly email sending limit
    • Volume limits on plan overages
  • email-to-sms
    • I am having trouble setting up Email to SMS
    • My Email to SMS did not deliver
    • Receiving Email to SMS
    • Sending Email to SMS to a group does not work
    • Sending Email to SMS
    • Setting up Email to SMS
  • faq
    • Benefits of Programmable Conversations
    • Can I create my own mix of communication channels and add other channels?
    • Can we integrate Conversations into our CRM software?
    • Do I need to purchase a number to publish SMS, Voice, and Webhook flows?
    • Does the Conversations API give automatic access to Whatsapp for Business?
    • Global coverage
    • How does the ‘Repeat’ attribute work?
    • How many flows can I make per number?
    • Is audio, video, chat, image and location sharing possible with Conversations?
    • Supported Languages by MessageBird Natural Language Processing
    • What are Available Variables?
    • What is Programmable Conversations?
    • What is a Continued Action?
    • What is an IVR menu?
    • Which communication channels are supported?
    • Why can’t I use Voice services due to my account currency?
  • faqs
    • Can my customers use the Omnichannel Widget on mobile?
    • What is domain whitelisting in the Omnichannel Widget?
    • Why can’t I see the Omnichannel Widget on my website?
  • flow-triggers
    • Learn how triggers work in Flow Builder
    • Setting up a flow triggered by a webhook in Flow Builder [video]
    • Triggering a flow from an incoming omnichannel message in Flow Builder [video]
    • Triggering a flow with an incoming voice call in Flow Builder [video]
  • get-started-with-the-omnichannel-widget
    • Display, hide or remove the Omnichannel Widget
    • How to create and manage multiple Omnichannel Widgets
    • How to install channels on the Omnichannel Widget
    • Inbox Agent statuses in Live Chat
    • Omnichannel Widget onboarding guide for Inbox
    • Preview my Omnichannel Widget before installing and enabling
    • Sending Emojis in Live Chat
  • getting-started
    • Abandoned Cart Recovery onboarding guide
    • Abandoned checkout best practices
    • Best Practices for SMS
    • Best Practices for WhatsApp Business
    • Best practices for your Knowledge Base datasets
    • Choosing an originator
    • Creating access keys
    • Currencies
    • Deleting your account
    • Email performance reporting with the Verify API
    • Getting Started with SMS FAQ's
    • Getting Started with WhatsApp FAQ's
    • Getting Whatsapp Opt-ins from Customers
    • Getting approval to send to restricted countries
    • Getting started with SMS
    • Google Business Messages FAQs
    • How can I get my namespace ID?
    • How do I start using WhatsApp Business?
    • How long can my WhatsApp channel remain unverified?
    • How to create a Google My Business account
    • How to get a number for the Verify API
    • How to see successful authentication metrics via the Verify logs
    • Requirements
    • How to set up Email as a channel for the Verify API
    • How to set up Entity Recognition in Flow Builder
    • How to set up Fill Form in Flow Builder
    • How to set up Google Business Messages as a channel
    • How to set up a balance warning + auto order
    • How to set up the Recognize Intent step
    • IVR
    • Length of an SMS
    • Mandatory 2FA Authentication for new and existing users
    • Message Templates guidelines
    • Number types
    • Picking a number for WhatsApp Business
    • Placing & receiving calls
    • Porting Numbers
    • Receiving Delivery Reports (DLRs)
    • Requesting Access for Restricted Countries
    • Restrictions for SMS Numbers
    • Setting up notification contacts
    • Start testing with the MessageBird WhatsApp Sandbox
    • Third party applications
    • Topping up balance
    • Using Entities in Flowbuilder to recognize timezones
    • Verified Caller IDs
    • Verifying your Facebook Business Account
    • Voice Number Restrictions
    • What does it mean to be a Verified WhatsApp Service Provider?
    • What features are supported by WhatsApp for Business?
    • What is Messagebird’s Abandoned Cart Recovery Solution?
    • WhatsApp Business Step-by-Step Onboarding
    • WhatsApp Channel Activation FAQ's
    • WhatsApp Channel Activation
    • WhatsApp phone number: From mobile app to API
    • WhatsApp: Why and how to get your customers to Opt-In?
    • When will customers receive the Abandoned Cart Recovery message?
    • Where do I find my Facebook Business ID?
    • Why do I need a service provider like MessageBird for WhatsApp Business solution?
    • Will verifying my Facebook Business Account get me an Official Business Account?
    • Working with WhatsApp Message Templates
  • hlrlookup
    • HLR Request failed or is incomplete
    • No Information in HLR response
    • The difference between Lookup and HLR
    • North-America toll free verification
    • Varying or Incorrect HLR Information
    • What are the different HLR statuses and their meanings?
  • how-to-guides
    • Create an omnichannel FAQ BOT with Flow Builder
    • Dealing with multimedia content in messages using Flow Builder
    • Forwarding calls using Flow Builder
    • Forwarding your SMS
    • How do I set the same flow for all my numbers (Default Flow)?
    • How to Call HTTP endpoint with SMS
    • How to add products in Meta Commerce Manager
    • How to automatically parse receipts in Flow Builder
    • How to build an IVR menu
    • How to create complex Regular Expressions (regex) conditions
    • How to forward calls to another phone number or SIP URI
    • How to forward incoming SMS to an email
    • How to search through Flow Builder Logs
    • How to set up Email OTP solution in Flow Builder
    • How to set up a Feedback Bot
    • How to set up a Flow to send outbound SMS
    • How to use Multiple WhatsApp Business Accounts - WABA's in FlowBuilder
    • Language Recognition with Flow Builder
    • Managing Meta Messenger Referrals in Flow Builder
    • Set up Telegram account masking
    • Set up a generic OAuth integration
    • Set up answering machine detection
    • Set up image recognition for WhatsApp
  • inbox-basics
    • How to log in to Inbox
    • Inbox onboarding guide
    • Setting up notifications for Inbox
  • inbox-for-good
    • Activate FAQ bots
    • Building an emergency Contact Center
    • Send live updates and notifications via SMS
    • Set up Interactive Phone Menus
  • inbox-reporting
    • Download Reports
    • Download reports in CSV format
    • Get to know Inbox reporting
    • Inbox reports glossary
    • Inbox reports in action
  • information-security-management-program
    • Does MessageBird have a security and privacy awareness program?
    • Does MessageBird have an Information Security Management Framework?
    • Does MessageBird have an incident response program?
    • Does MessageBird have an internal audit team?
    • Does MessageBird have any third party attestations for security?
    • Does MessageBird have documentation of their ISMS?
    • Is Management responsible for the security program?
    • What are the roles and responsibilities pertaining to security and privacy across MessageBird?
    • What is the security team at MessageBird?
  • infrastructure-security
    • Can MessageBird provide an overview of how its infrastructure is being secured?
    • Does MessageBird have a patch and vulnerability management program?
    • How are changes managed?
  • insights-reporting
    • Insights
  • instagram
    • How do I filter out Instagram story mentions?
    • How do I know if I'm eligible for Instagram?
    • I cannot find my Instagram channel after installation
    • I'm having issues when installing my Instagram channel
    • Inbound messages are not arriving to my Instagram channel
  • installing-channels
    • Adding Instagram as an Inbox channel
    • Getting started with Viber for Business
    • How to add a channel
    • How to connect and disconnect a channel from Inbox
    • How to find your Facebook Page ID
    • How to use WhatsApp Sandbox with Inbox
    • Install Facebook Messenger as an Inbox channel
    • Install LINE as an Inbox channel
    • Install SMS as an Inbox channel
    • Install Telegram as an Inbox channel
    • Install WeChat as an Inbox channel
    • Install WhatsApp as an Inbox channel
    • Install your Custom Email Domain as an Inbox channel
  • integrations
    • Connect and use Salesforce with Flow Builder
    • Connecting Inbox to Zendesk using Flow Builder
    • Updating HubSpot contacts with Inbox using Flow Builder
  • managing-inbox-admins-and-agents
    • Adding a new agent to Inbox
    • Deleting an agent
    • Import agents to Inbox using CSV
    • Inbox user roles and permissions
  • managing-inbox-contacts
    • Add a contact manually
    • Add a contact via a ticket
    • Import contacts via CSV file
    • Managing your Inbox contacts
  • messaging
    • Add an embeddable WhatsApp Button to your website
    • Do customers need to opt-in to receive WhatsApp messages from my business?
    • I want to connect my WhatsApp API phone number to my Facebook Page (Classic Pages)
    • Is there a limit to the number of WhatsApp messages I can send?
    • Is two-way messaging possible with WhatsApp?
    • Media Templates
    • Message Templates & Session Messages
    • Messaging Features & Restrictions
    • Messaging with WhatsApp FAQ's
    • Receive WhatsApp messages statuses via the API
    • What is the difference between Message Template and Template Message?
    • WhatsApp Campaigns delivery status report
    • WhatsApp messaging restriction toward Turkey
  • other-integrations
    • Can I use MessageBird with Zapier
    • How can I perform HLR Lookups?
    • How can I use the Short Message Peer-to-Peer (SMPP) network protocol?
    • How do I connect RSA SecurID (EMC) to MessageBird's SMS Gateway?
    • How do I connect SafeNet to MessageBird's SMS Gateway?
    • How do I connect SecurEnvoy to MessageBird's SMS Gateway?
    • How to set up multi-channel merchants notifications for Mollie
  • partner-accounts-api
    • Can Accounts be migrated into a Partner Network?
    • Can Child Accounts get invoiced separately?
    • Can the Partner Network be viewed in the Dashboard?
    • How is a Partner Account setup?
    • How is a Partner Network invoiced?
    • How is a Partner Network setup?
    • How many levels of Child Accounts can a Partner Network have?
    • What Services can a Partner Network use?
    • What is a Partner Account?
    • What is an example of a Partner?
    • What is the Partner Accounts API?
  • payment-billing
    • Add balance
    • Billing
    • Can I get account balance Refunded?
    • Do you offer post-pay contracts?
    • How can I change my order or invoice address?
    • How does SMS and Voice pricing work?
    • How to change the default payment method
    • How to set up Auto Top Up
    • Invoices
    • Managing Saved Payment Methods
    • Payment methods we support
    • Payment processing
    • Prepaid account billing
    • Pricing
    • Setting low balance notifications
    • Subscriptions
    • Suddenly getting billed by MessageBird
    • WhatsApp Conversation Based Pricing Changes 2023
    • Will I be charged VAT?
  • quickstarts-and-tutorials
    • Automate customer interactions using AI
    • Build an omnichannel FAQ BOT with Intent Recognition
    • How to automatically Parse Invoices in Flow Builder
    • How to set up appointment scheduling in Google Calendar using Flow Builder
    • Quickstart guide: Set up Computer Vision in Flow Builder
    • Set up an identity verification process flow with the Analyze Image step
  • receiving-sms
    • Forwarding your inbound SMS
    • I am receiving spam on my Virtual Mobile Number (VMN)
    • I did not receive an SMS on my Number
    • Managing opt-outs
    • Setting your account up to receive inbound SMS
    • Viewing your inbound SMS
    • Automatic SMS Subscriptions (Opt-in/Opt-out)
  • salesforce-marketing-cloud
    • Journey Builder setup guide
    • Journey Builder: Best practices and troubleshooting
    • Marketing Cloud Integration setup guide
    • Release history
    • Using WhatsApp rich-media templates
  • salesforce-sales-service-cloud
    • Configure the MessageBird for Salesforce app
    • Configuring business flows in Salesforce (optional)
    • Install the MessageBird for Salesforce app
    • MessageBird Conversations in the Contacts Page
    • MessageBird conversations on the Case page
    • Release history
    • Sync MessageBird conversations to Salesforce
  • salesforce
    • How to set up the MessageBird Salesforce Sales & Service Cloud integration
  • sending-sms
    • A2P vs
    • My SMS was delivered in multiple parts
    • My SMS was delivered multiple times
    • My SMS was delivered with a delay
    • My SMS was delivered with an overwritten sender ID (Changed Originator)
    • My SMS was not delivered
    • SMS Delivery Statuses
    • SMS Reporting
    • SMS Troubleshooting FAQ's
    • Scheduling your SMS
    • Sending SMS in bulk
    • Sending SMS
    • Setting a Validity Period for your SMS
    • Using Flash SMS
    • Using special characters, Unicode, and GSM-T charsets for sending SMS in different languages
    • Using templates & personalisation
  • set-up-inboxs-built-in-automations
    • Automated welcome message
    • Business hours
    • Create Follow-up actions in Inbox
    • Email notifications for Inbox tickets
    • Language recognition
    • Sentiment analysis for Inbox
    • Using Inbox automations
  • short-codes-keywords-sub-keywords
    • How long does it take for a Short Code to be provided?
    • In which countries can I get a Short code & Keyword?
    • Keywords & Sub Keywords
    • What can I do with a Keyword?
    • What is a short code?
  • sip-trunking
    • Configure your origination SIP Trunk
    • Configure your termination SIP Trunk
    • How to configure SIP Trunks on 3CX
    • How to set up an inbound SIP-Trunk
    • How to set up an outbound SIP-Trunk
    • MessageBird IP whitelist for voice calls
    • SIP Server & connection details
    • SIP Trunking with MessageBird
    • SIP Trunking
    • What is a SIP Trunk?
  • steps-catalogue
    • Fetching variable steps in Flow Builder
    • Format for 'Play a sound file' Step
    • How to use Verify with Flow Builder
    • Using Flow Builder to create a ticket in Inbox
    • Using Flow Builder to send Facebook (Meta) Messenger messages
    • Using Flow Builder to send WhatsApp messages
    • Using FlowBuilder to send Instagram Messages
    • Using database steps in Flow Builder
    • Using the "Reply to channel message" step in Flow Builder [video]
    • Using the "Send Conversation" message step in Flow Builder [video]
    • Using the "Wait for a response" step in Flow Builder [video]
  • subscriptions
    • Managing your Inbox Subscription Plan
  • support
    • Basic MessageBird troubleshooting and support tips
    • MessageBird Support Plans
  • terms-conditions
    • Terms & Conditions
    • What is MessageBird's Service Level Agreement (SLA)?
  • third-party-risk-management
    • How are vendors managed?
  • tickets
    • Get to know the lifecycle of an Inbox ticket
    • Hiding and deleting tags from agents
    • How to create and use Canned Replies
    • How to use variables in Canned Replies
    • Inbox Ticket Statuses
    • Replying and closing a ticket
    • Reviewing past tickets
    • Send ticket information to Slack with Actions
  • troubleshoot-a-flow
    • Export Flow Builder Logs
    • Flow Builder Logs
    • Issues forwarding incoming SMS via Flow Builder
    • My Flow is not working
    • My media file in my flow is not playing
    • Number not available for Flow
    • Set up alerts to monitor your flows
    • What errors can I get in the Flow Builder?
  • troubleshooting-voice
    • Call Information
    • Failed API Requests
    • Media file not playing
    • Voice Billing Details
    • Where can I find my Voice logs?
  • troubleshooting
    • API Issues
    • Cannot find templates submitted via Facebook Business Manager
    • Developer logs and errors
    • Error code when sending a WhatsApp Template Message via API
    • Failed Payments
    • How to delete orders and invoices
    • I am having login or authentication issues with the Old API
    • I am missing my delivery reports
    • I am not receiving notifications for Inbox tickets
    • I am receiving an error 500 in my dashboard
    • I can't initiate a conversation with a customer
    • I cannot add my VAT number
    • I cannot see the WhatsApp message in Inbox
    • I did not receive an SMS when trying to claim free test credits
    • I did not receive my account activation email
    • I don't see the Verify codes in my dashboard
    • I have launched my GBM but I do not see a ‘Message’ button
    • I have limited messaging options in my dashboard
    • I see an unknown item on my bank statement from MessageBird
    • Missing HLR results
    • My OTP codes sent via Email are getting in the spam folder
    • My WhatsApp Business API application is not approved
    • My WhatsApp Message Template is not sending
    • My automatic subscription charge was unsuccessful
    • My end users are not receiving their codes
    • My template application has been rejected
    • One of my agents has left the company
    • SMS errors & error codes
    • The Email channel is not working for my Verify requests
    • The owner of my Workspace is no longer with the company
    • Tickets not showing up in Inbox
    • What is the "quality rating" of a WhatsApp channel?
    • WhatsApp Account policy violations and enforcement
    • WhatsApp: Messaging Limits and Tier system
    • WhatsApp: Returning to the mobile app
    • Where can I find my MessageBird Workspace ID?
    • Whitelist MessageBird's IP addresses
  • use-cases
    • Automate the retrieval of call recordings and transcripts in Flow Builder
    • Automatically detect and translate the language in your customers' messages
    • Broadcast WhatsApp Message Templates with Flow Builder & Postman
    • Country recognition with Flow Builder
    • Create click to WhatsApp ads and link them to Flow Builder
    • Detect and extract text from images with Flow Builder
    • Fetching data during conversations with Flow Builder
    • How to Send WhatsApp Media & Text Templates Using Google Sheets
    • How to block SPAM contacts in Inbox
    • How to set up WooCommerce order notifications with Flow Builder
    • Import historical Shopify information to Inbox
    • Integrate Google signup form with WhatsApp through Flow Builder
    • Is reselling of WhatsApp for Business allowed?
    • Multi DTMF behaviour with Flow Builder
    • Use buttons to create interactive WhatsApp Template Messages
    • What are the use cases for WhatsApp Business?
  • using-different-channels-with-the-omnichannel-widget
    • How can my customers use Facebook Messenger with the Omnichannel Widget?
    • How can my customers use LINE with the Omnichannel Widget?
    • How can my customers use SMS with the Omnichannel Widget?
    • How can my customers use Telegram with the Omnichannel Widget?
    • How can my customers use Voice Calling with the Omnichannel Widget?
    • How can my customers use WhatsApp with the Omnichannel Widget?
  • using-gbm
    • How to send and receive Google Business Messages with Inbox
    • How to use Google Business Messages with Flow Builder
  • using-inbox
    • Using ticket rules in Inbox
  • using-live-chat
    • Getting started with Live Chat pop-up messages
    • Live Chat message statuses
    • Send, receive, and download attachments
    • Set up Conversation Bridging (Beta) in Live Chat
    • Set up Live Chat pop-up buttons
    • Show Omnichannel Widget URL as a Custom Attribute in Inbox
  • using-sms
    • SMS FAQ's
  • using-the-abandoned-cart-recovery-solution
    • Checkout events from Shopify
    • Managing your Webhooks
    • Specifying your audience and conditions
  • virtual-numbers
    • Buy a Virtual Mobile Number (VMN)
    • Can I port numbers to MessageBird?
    • In which countries can I get a Virtual Mobile Number (VMN)?
    • International 2-Way Messaging
    • National ID Number
    • Registration Number
    • SMS Number Restrictions
    • SMS Virtual Mobile Numbers (VMN)
    • Voice Numbers
    • What is the difference between a Shared and a Dedicated Number?
    • Why am I unable to buy a Number?
  • voice-calls
    • Billing & pricing
    • How many legs does a call have?
    • How to make an outbound call
    • How to receive a call
    • Masked transfer
    • Random Caller ID (CLI) on Voice calls
    • Recordings & transcriptions
    • What are the different call status and their meanings?
    • Where can I view my call details?
    • Number restrictions in China
  • voice-messages
    • How to send a Voice Message
    • What is the difference between a Voice Message and Voice Call?
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On this page
  • SIP Trunking solutions
  • SIP Trunk Origination solution
  • SIP Trunk Termination solution
  • Supported codecs
  • DTMF Support
  • Supported SIP RFC Standards
  • Supported Number formats
  • Origin-based surcharging
  1. sip-trunking

SIP Trunking with MessageBird

PreviousSIP Server & connection detailsNextSIP Trunking

Last updated 1 year ago

MessageBird’s SIP Trunking solution allows you to make and receive calls via a broadband internet connection.

Read the following topics to get you up to speed before moving on to and .

SIP Trunking solutions

We offer the following SIP Trunking solutions:

SIP Trunk Origination solution

allows you to receive inbound calls from the Public Switched Telephone Network (PSTN) to your environment, using either , or your own ported numbers.

SIP Trunk Termination solution

allows you to place calls from your environment to the PSTN, anywhere in the world.

Supported codecs

A Voice over Internet Protocol (VoIP) codec is a technology that determines the audio quality, bandwidth, and compression of VoIP phone calls. MessageBird supports the following codecs for SIP Trunk solutions:

  • ITU G.711 - 64 Kbps (U-Law)

  • ITU G.711 - 64 Kbps (A-Law)

DTMF Support

Dual-tone multi-frequency (DTMF) signaling is a technology used for making calls and navigating Interactive Voice Response (IVR) menus. For every number that is pushed, two tones within the voice frequency band, one high-frequency and one low-frequency, are sent to the call switching center. Each dual-tone represents a specific number, so the switching center knows which number has been dialed, or which option has been selected from an IVR menu.

The version of DTMF that is used for telephone tone dialing is known by the trademarked term Touch-Tone and is standardized by ITU-T Recommendation Q.23. Other multi-frequency systems are used for internal signaling to the telephone network.

MessageBird supports the following DTMF RFCs:

  • DTMF - RFC 4733 (Send/Receive)

  • DTMF - RFC 3833 (Send/Receive)

Supported SIP RFC Standards

The following SIP RFCs are supported by MessageBird:

  • RFC 3261 SIP: Session Initiation Protocol

  • RFC 3262 Reliability of provisional responses in SIP

  • RFC 3311 The SIP UPDATE method

  • RFC 3326 The Reason header field for the SIP

  • RFC 3824 Using E.164 numbers with the SIP

  • RFC 5658 Addressing Record-Route issues in SIP

  • RFC 3665 SIP basic call flow examples

  • RFC 3666 SIP Public Switched Telephone Network (PSTN) call flows

  • RFC 4458 SIP URIs for applications such as voicemail and interactive voice response (IVR)

  • RFC 3325 P-Asserted identity header field

  • RFC 3550 RTP: A Transport Protocol for Real-Time Applications

  • RFC 3605 Real-Time Control Protocol (RTCP) attribute in Session Description Protocol (SDP)

  • RFC 3711 The Secure Real-Time Transport Protocol (SIP)

  • RFC 3840 Indicating User Agent Capabilities in the Session Initiation Protocol (SIP)

  • RFC 3966 The tel URI for Telephone Numbers

  • RFC 4028 SIP session timers

  • RFC 4235 INVITE-initiated dialog event package

  • RFC 5806 Diversion header field

  • RFC 5876 Updates to Asserted Identity

  • RFC 4833 DTMF events

  • RFC 2833 DTMF events

Supported Number formats

MessageBird supports numbers in the E.164 format, which means:

  • Numbers must contain only digits.

  • Numbers may not have any leading ‘0’s.

  • Numbers must start with the country code.

  • Numbers have a maximum of 15 digits. When used in the FROM header, they may or may not have a leading + symbol. When used in the P-Asserted Identity header, they must have a leading + symbol.

We do not support hidden number presentation by using the P-asserted ID header in combination with the Privacy header. Instead, you must use the settings as follows:

  • P-Asserted-Identity: tel:+31850000000

  • Privacy-id: hidden

Please note that for the P-Asserted-Identity we only support the tel URI (RFC 3966 5.1.4 global numbers) in E.164 format. For number presentation and billing, we normally use the From header, unless the P-Asserted-Identity header is present, in which case, that takes precedence.

Origin-based surcharging

Origin-based surcharging is the standard in many European countries. The legislation dictates that calls made from outside the European Economic Area (EEA) to the EEA are charged differently from calls placed and received inside the EEA.

The Caller Line Identity (CLI) in the From header will be used to determine where the call originates from, and if a surcharge is needed. Only numbers in the E.164 format are verified. Incorrectly formatted and/or empty From Headers will automatically be surcharged with the non-EEA rates unless a P-Asserted-Identity header is present and contains a valid EEA tel URI.

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Learn about how multi DTMF is integrated with Flow Builder
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Numbers purchased from us
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Supported codecs
DTMF Support
Supported SIP RFC Standards
Supported Number formats
Origin-based surcharging