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84 articles across 2 sections.
Error Code and Warning Dictionary
- 20003 - Credentials are invalid or the account has been suspendedERROR: 20003 The error 20003 – Credentials are invalid or the account has been suspended indicates that the system was unable to authentic238
- 21211: Invalid 'To' Phone NumberERROR: 21211 Description You attempted to initiate an outbound phone call or send a message, but the To phone number you supplied was not5,531
- 21408: Your account is not allowed to send SMS to this country or region.ERROR: 21408 Description You have attempted to send an SMS or MMS to a region that has not been enabled in your account. These settings exi5,413
- 21606: The 'From' phone number provided is not a valid message-capable phone number for this destination/accountDescription You can only send SMS messages from a phone number, Alphanumeric Sender ID, or short code that has been provisioned or ported in3,595
- 21610: Attempt to send to unsubscribed recipientERROR: 21610 Description The person you are trying to message has opted out of receiving messages from your phone number, Channels sender,3,652
- 21612: Message cannot be sent with the current combination of "To" and/or "From" parametersERROR: 21612 Description Message cannot be sent with the current combination of "To" and/or "From" parameters. Possible Causes Number for9,243
- 21614: 'To' number is not a valid mobile numberERROR: 21614 Description You have attempted to send a SMS with a 'To' number that is not a valid mobile number. It is likely that the numbe4,028
- 21635: The "To" number is a landline and cannot receive SMS.ERROR: 21635 Description You have attempted to send an SMS with a To number that is a landline. Possible Causes The To number you provide4,526
- 21661: 'From' number is not SMS-capableERROR: 21661 Description Phone numbers must be SMScapable. Visit the phone numbers page of your account to view a list of phone numbers tha7,319
- 30002: Message failed: your account is currently suspended.ERROR: 30002 Description This message failed because your account was suspended after this message was queued but before it was sent by Lea3,121
- 30003: Number unreachable or out of service.ERROR: 30003 Description The destination handset you are trying to reach is switched off or otherwise unavailable. Possible Causes The des8,123
- 30004: Recipient has opted out or has DND enabled.ERROR: 30004 Possible Causes The destination number you are trying to reach is blocked from receiving this message. The device you are tryin2,836
- 30005: The recipient’s number is inactive or does not exist.ERROR: 30005 Possible Causes The destination number you are trying to reach is unknown and may no longer exist. The device you are trying t5,077
- 30006: Landline or unreachable carrierERROR: 30006 Description Message Delivery Landline or unreachable carrier The destination number is unable to receive this message. Poss6,292
- 30008: Unknown errorERROR: 30008 Message Delivery Unknown error Possible Causes If a message you sent is not delivered to the end device and returns a 300083,862
- 30011: MMS not supported by the receiving phone number in this regionERROR: 30011 MMS not supported by the receiving phone number Possible Causes If you received this error code on an inbound message, there2,691
- 30023: Daily Message Cap ReachedERROR: 30023 Description You have sent the maximum allowable daily messages for your Brand to the carrier. Note: That the daily limit app3,081
- 30032: Toll-Free Number Has Not Been VerifiedERROR: 30032 Description You sent a message (message SID: SMXXXXX) from a TollFree number to a mobile subscriber in USA or Canada. Lead Con7,974
- 30033: US A2P 10DLC - Campaign SuspendedERROR: 30033 Description Your message could not be sent because you are sending this message from a suspended US A2P 10DLC Campaign. Poss2,160
- 30035: Number not fully registered for A2P messaging. Please wait up to 24 hours after approval.ERROR: 30035 Description This message appears when a user tries to send SMS messages using a newly registered A2P 10DLC (ApplicationtoPerso2,203
- 30037: Outbound Messaging DisabledERROR: 30037 Description Sending messages from this account has been disabled. Possible Causes This account is configured to not send out1,639
- Custom Module Visibility by Role & LocationCustom Module Links in the App Customizer give you advanced control over who can see specific navigation links and where they appear. By com24
- Error 30034: Number not A2P compliant. Please register for A2PError 30034 typically occurs when attempting to send a message to a U.S. number from a 10DLC number that is not associated with a registered37,854
- How to Prevent SMS Filtering by Carriers: Error 30007Carrier filtering (Error 30007) occurs when messages are blocked because they appear to be unwanted, spammy, or noncompliant with carrier or29,704
LeadConnector Phone
- A2P 10DLC Brand Approval Best PracticesWhen you register your A2P Brand with your Business Profile, LC Phone will submit your business information to The Campaign Registry for rev18,221
- A2P 10DLC Campaign Approval Best PracticesTABLE OF CONTENTS A2P 10DLC Campaign Approval Requirements Ensure data accuracy and consistency Best Practice Examples Ensure your use case21,576
- A2P Opt-In Form - Privacy Policy and Terms and Conditions GuidelinesTerms of Service Requirements Include these components: Program Name and Description (name of your SMS program and description of message4,924
- Agency SMS Warm-Up Period & Daily LimitOverview For new Agencies (where the agency account is less than 7 days old), a warmup period is applied to control SMS sending limits. This889
- AI-Powered A2P Compliance ValidationAIPowered A2P Compliance Validation helps you catch common compliance issues before submitting your A2P 10DLC campaign for carrier review. D191
- Avoiding Call Loops when routing calls to Internal Phone NumbersOverview Good news! Leadconnector gives you the flexibility to use your LC phone number across different parts of your account, including a5,087
- Best Practices Around Periodically Sending Opt-Out Texts and Sender IDsOverview Text messaging is one of the most effective ways to reach your customers—but it comes with rules. These rules exist to protect con6,810
- Best Practices for SMS deliverability and Avoiding SMS RestrictionsError and Optout Rate Monitoring We are focused on helping our customers deliver trusted communications. To make sure that the carrier does14,541
- Billing Statement HelpOverview This article explains the billing statement requirements for the upcoming number porting feature in lead connector. When you port1,732
- Brand Registration Step by Step Guide and FAQsStarting August 31, 2023, all A2P messages sent from unregistered tendigit long code numbers (Local and National numbers) to US numbers will219,378
- Calculating SMS and MMS Costs: A Step-by-Step GuideTABLE OF CONTENTS What Determines SMS Costs? Steps to Estimate Outbound SMS Costs What is an SMS Segment? The Steps to Estimating Outbound4,109
- Call DispositionsOverview The Call Disposition feature helps you capture the business outcome at the end of each call and take the right next steps, all with6,811
- Call Forwarding to Your LeadConnector Phone NumberThis guide explains how to set up call forwarding from your personal phone—whether it’s a cell phone or landline—to your LeadConnector phone4,384
- Call Recording StorageComing soon514
- Call Transcriptions for Recorded CallsCall transcriptions make it easy to review and understand recorded conversations without listening to the entire call. This article shows yo1,286
- Campaign Rejection Reasons and ResolutionsIf your A2P 10DLC Campaign registration request is rejected for eligible reasons, you need to correct and resubmit your request. For a full5,069
- Choosing between using your existing phone number vs buying a new phone numberWhen you set up calling in your subaccount, you can either verify a phone number you already own, or buy a new phone number from LeadConnect361
- Configuring Sender ID and Opt-Out Language for SMS ComplianceOverview To help you maintain compliance and protect your messaging reputation, we’ve updated the SMS compliance settings for sender ID and18,363
- Detailed Pricing for A2P 10DLC RegistrationsTABLE OF CONTENTS Important Updates for A2P 10DLC Messaging Notice 1: Shutdown of Unregistered 10DLC Messaging Notice 2: Unregistered 10DLC9,150
- Forbidden message categories for SMS and MMS in the US and CanadaThis Messaging Policy applies to all subaccounts using LeadConnector Phone Systems (L.C. Phone). All outbound messages from your subaccount26,577
- How to buy a toll free number?Understanding how to buy a tollfree number can be critical for your business operations. This guide provides a straightforward walkthrough o6,896
- How to get your phone number A2P approved in 2026A2P 10DLC registration is a process used by U.S. cellular carriers (e.g. Verizon, AT&T, TMobile, etc) to verify who is sending SMS (text mes1,308
- How to Purchase a Phone Number for Your BusinessThis article walks you through how to purchase a phone number within LeadConnector, enabling SMS and voice functionality for your clients or67,973
- How to Reduce Inbound Spam CallsSpam calls can overwhelm your team, inflate call volume, and waste time. This guide walks through practical steps you can take to reduce inb702
- How to Set Up Call Tracking (Number Pool)Number pools are a great way to track the calls driven by paid campaigns. Using number pools, you can attribute calltracking conversations b9,147
- How to Set Up Verified Caller ID (Use your number for Voice Calls)There are many cases where we want to use our own phone number as caller ID. So, In this article will help you to go through the step by ste17,889
- How to submit a Campaign for A2P 10DLC ?TABLE OF CONTENTS Campaign Details Messaging Use Case User Consent 1.0 Messaging use case 1.1 Use Case Description 1.2 Sample Message 2.0 Us5,854
- Identity Verification for Phone Number Purchases (US/CA/PR/IL)Overview To strengthen security and prevent fraudulent use of regulated phone numbers, We have introduced Persona identity verification into2,684
- Improve your Phone Number's reputation with Voice IntegrityIn this guide, you’ll learn how to register your U.S. phone numbers with leadconnector's Voice Integrity feature—leveraging top callerID ana8,868
- Inbound Calls: IVR, AI, Routing & Call Flow ExplainedThis article explains everything that happens from the moment someone calls your business number to when the call is answered or goes to voi370
- Know Your Customer (KYC) in the United KingdomWhat is Know Your Customer (KYC)? If you have built an A2P communications solution, you will be familiar with Know Your Customer (KYC) data.4,276
- KYC Verification on Persona — Best PracticesOverview KYC (Know Your Customer) verification is a crucial step to ensure the authenticity and security of user identities. On Persona, th1,900
- LeadConnector Messaging PolicyThis messaging policy applies to all accounts that are using LC Phone for communication within the CRM. We all expect the messages we want43,862
- List of campaign use case types for A2P 10DLC registrationOverview The tables below show campaign use case types that will be available for registration under United States A2P 10DLC. Please note,4,814
- Message throughput (MPS) and Trust Scores for A2P 10DLC in the USUnder the new A2P 10DLC service for sending messages via 10digit long code numbers in the United States, there are changes to how message se5,392
- Microphone permission on different browsersIf you see this and clicking on 'Enable' does nothing, it means that your camera/mic is blocked by (1) your browser or (2) Operating System.1,584
- Number Intelligence: number validity, detect spam calls and look up unknown caller nameSpam calls can overwhelm your team, inflate call volume, and waste valuable time. This guide outlines a structured approach to reducing inbo22,507
- Opt-In Methods & Their Compliance RequirementsOverview To comply with A2P 10DLC regulations and ensure successful campaign approval, all SMS communications must be backed by valid, expli1,301
- Phone Number Edit Configuration (Incoming Calls Settings)The “Incoming Call Settings” interface puts every factor that routes an inbound call into one set of settings. With quickedit controls and h8,186
- Phone Number Settings ExplainedDo you want to understand your CRM's different phone number settings but feel uncertain about it? Don't worry. It's easier than you think to21,436
- Recommendations and Best Practices for Maintaining a Positive Caller ReputationMaintaining consumer trust in the voice communication channel is critical. Consumers expect to receive wanted and personalized communication10,374
- Regulatory Bundle and Address Creation for Sub-AccountsLearn how to create a regulatory bundle and address for subaccounts within the platform using LC Phone. This ensures compliance with telecom5,518
- Remediate 'Spam Likely' on your Caller ID using Voice IntegrityIn this article, we will learn how we can increase our call answer rates by remediating 'spam likely' / 'potential spam' / 'scam likely' on9,829
- Texas Mini-TCPA Law: What You Need to Know (Effective Sept. 1, 2025)NOTE: This information is for educational purposes only and does not constitute legal advice. The content provided is general in nature and8,023
- Toll-Free Verification Guide for LC - Phone (US/Canada)The TollFree Messaging Verification process allows LC Phone customers to send more important business messages, and make sure your customers13,315
- U.S. A2P 10DLC Messaging Registration Mandatory, Effective from July 5, 2023Starting July 5, 2023, all SMS and MMS messages to U.S. phone numbers using 10DLC phone numbers must be part of a registered A2P campaign. F4,732
- Updated Messaging Guidelines for the U.S. & CanadaGood news! We’ve simplified A2P (ApplicationtoPerson) requirements to make messaging across the United States and Canda more consistent, rel3,546
- Use Your Existing Phone Number to Place Voice CallsVoice calling is easier to try because you can place outbound calls using a phone number you already own. This lets you start calling leads11
- Voice calling with Lead ConnectorComing soon.157
- Voicemail article coming soonComing soon.996
- VoIP Deskphones (SIP endpoints)TABLE OF CONTENTS What is the VoIP Deskphone integration? Who can set it up? Requirements & recommended deskphones Stepbystep setup Managing28,089
- Website Compliance GuideOverview Ensuring your website is compliant is a crucial part of passing A2P 10DLC registration and maintaining longterm SMS deliverability10,406
- What is A2P 10 DLC- Brand and Campaign RegistrationTABLE OF CONTENTS What is A2P 10DLC and the TCR? What do I need to do? Types of Registration The Registration Process Registration Compariso84,800
- What is A2P 10DLC?TABLE OF CONTENTS What is A2P 10DLC and the TCR? What do I need to do? Types of Brand Registration How does A2P 10DLC work? The Registration13,171
- What is CNAM?Overview CNAM (Caller Name Presentation) is a feature in the U.S. public telephone network that associates your phone number with a busines2,011
- What is SHAKEN/STIR?Overview SHAKEN/STIR is a set of protocols designed to authenticate caller ID information and verify that it is coming from a legitimate so2,061
- Why are my Calls marked as Spam and how can I avoid itOverview If your business calls are being flagged as 'Spam Likely' or 'Scam,' it can reduce answer rates and harm your credibility. This gu10,355
- Why are my Calls marked as Spam, and How can I avoid it ?Overview If your business calls are being flagged as 'Spam Likely' or 'Scam,' it can reduce answer rates and harm your credibility. This gu10,261
- Why doesn’t my Business Name display after CNAM registration?What is CNAM? CNAM (Caller ID Name), short for Caller Name Presentation, is a legacy technology from the 1990s that allows the display of a5,096
- Why Was My Toll-Free Verification Rejected?If your TollFree verification request fails for eligible reasons, you can correct and resubmit your request. For a full list of eligible rej78,918