• Full Getting Started Guide — Account setup, funding, DID, subaccount, and first call walkthrough
• Getting Started — Residential — Setting up a home phone replacement
• Getting Started — Solopreneurs (1–2 Employees) — Lightweight setup for individuals and micro-businesses
• Getting Started — Small Business (3–10 Employees) — Multi-line setup for small teams
• Getting Started — Growing Business (10+ Employees) — Larger deployments with queues, IVRs, and multiple locations
• Getting Started — Resellers & MSPs — Reseller account setup, client management, and white-label options

• How to add funds — Go to Finances → Add Funds. Minimum deposit is $15 USD.
• How to set up auto-replenish — Go to Finances → Automatic Billing to top up automatically when balance drops below a threshold.
• How to check your balance and usage — Available on the Portal Home and under Finances → Transaction History.
• How to generate an invoice — See Generate Invoice.
• How to calculate your expenses — Understand your monthly costs.
• How to check a call rate — Visit the Rates section in the portal. Search by country or phone number prefix. See Value vs. Premium routes.
• How to configure account settings — Caller ID, restrictions, international calling, SIP password, and more.
• How to manage finances — Payments, transaction history, and billing details.
• Account under review? — What to expect and what documents may be requested.

• How to order a DID — Go to DID Numbers → Order DIDs and select your area code or country.
• How to check if your number can be ported — Check at DID Numbers → DID Portability in the portal, or contact [email protected].
• How to port your number to VoIP.ms — Full guide to Local Number Portability (LNP).
• How to manage and configure a DID — Routing, POP, voicemail, failover, and DID settings.
• How to route a DID to your device — Go to DID Numbers → Manage DIDs → Edit → Routing. Select your subaccount. Make sure the DID POP matches your registration server.
• How to change a DID billing plan — Switch between per-minute and flat-rate plans.
• How to delete a DID — Go to DID Numbers → DID Billing and cancel. This cannot be reversed.
• How to port your number out — Start the request with your new provider. Contact [email protected] with questions.

• How to configure a device or softphone — Hub for all ATA, IP phone, softphone, and PBX configuration guides.
• How to create a subaccount — Each device needs its own subaccount credentials.
• How to choose the right server — Full server list with hostnames and IPs. Always match your DID's POP to your registration server.
• How to check if your device is registered — Log in to the Portal Home and scroll to the bottom.
• How to dial international numbers — Dialing codes and prefixes for all countries.
• How to configure dialing rules — Set up dial patterns on your device or PBX.
• How to set your outbound Caller ID — Configure in Account Settings (main account) or subaccount settings. Must be a valid 10-digit number for North America.
• How to filter incoming Caller ID — Block or redirect calls based on caller ID.
• How to bulk import configuration — Import multiple DID or subaccount settings at once.

• How to set up voicemail — Create a voicemail box and assign it to your DID or subaccount.
• How to set up call forwarding — Forward calls to any external number or SIP address.
• How to set up an IVR (auto-attendant) — Build a phone menu that routes callers to extensions, queues, or voicemail.
• How to ring multiple devices from one number — Ring several devices simultaneously or in sequence.
• How to set up a call queue — Route inbound calls to a pool of agents.
• How to route calls based on time of day — Send calls to different destinations depending on business hours.
• How to set up call hunting — Hunt through a list of numbers until someone answers.
• How to park a call — Park an active call and pick it up from another extension.
• How to pick up a parked or ringing call — Retrieve calls from another extension.
• How to set up a callback — Let callers trigger an outbound call back to themselves.
• How to set up DISA — PIN-protected inbound dial tone for authorized outbound dialing.
• How to set up E911 — Register a physical address for enhanced 911 service.
• How to enable call recording — Record inbound or outbound calls automatically or on-demand.
• How to enable call transcription — Automatically transcribe recorded calls.
• How to set up music on hold — Upload custom audio for callers on hold or in a queue.
• How to configure Busy Lamp Field (BLF) — Monitor extension status and enable one-touch call pickup.
• How to use SIP URIs — Route calls to or from any SIP address.

• How to enable and use SMS — Enable SMS on a DID, configure delivery, and send via portal, app, or API.
• How to set up A2P / business SMS registration — 10DLC campaign registration for US business SMS. Contact [email protected].
• How to set up virtual fax — Order and configure a fax number through the portal.
• How to set up audio conferencing — Host multi-party conference calls.

• How to secure your PBX — Best practices for preventing SIP fraud and unauthorized use.
• How to secure your VoIP.ms account — Account-level security settings and recommendations.
• How to enable call encryption (TLS/SRTP) — Encrypt SIP signaling and audio between your device and VoIP.ms servers.
• How to configure your firewall for VoIP — Port requirements and firewall settings for SIP and RTP.
• How to restrict international calling — Go to Account Settings → Account Restrictions and set spending limits and call duration caps.
• How to enable IP Authentication on a subaccount — Lock a subaccount to a specific IP address to prevent unauthorized registration.
• How to enable two-factor authentication (TOTP) — Add 2FA to your portal login.

• My device won't register — Credentials, servers, SIP ALG, firewall, 403 errors, intermittent drops.
• My outbound calls aren't working — Diagnosing failed outbound calls.
• My incoming calls aren't arriving — DID routing, POP mismatch, and inbound troubleshooting.
• I have audio problems — One-way audio, echo, silence, codec issues.
• Networking issues affecting VoIP — Common router, ISP, and network problems.
• How to diagnose VoIP connectivity problems — Step-by-step network diagnostics.
• My SMS isn't working — Sending, receiving, carrier filtering, A2P registration.
• How to use the echo test — Dial 4443 from any registered device. Free, no balance required. Confirms registration and two-way audio.
• How to check your CDR for failed calls — Go to CDR and Reports. If a failed call doesn't appear there, the issue is on your device or network side.

• How to connect VoIP.ms to Microsoft Teams — The VoIP.ms Teams Connector for Direct Routing.
• How to use Anynode as an SBC for Teams — Session Border Controller for Teams Direct Routing.
• Session Border Controllers (SBCs) — Overview of SBC options for Teams and enterprise deployments.

• How to get started with the VoIP.ms API — Authentication, endpoints, available methods, and code examples.
• How to enable API access — Go to Main Menu → SOAP & REST/JSON API in the portal. Set an API password, enable access, and whitelist your IP.

In-depth articles on VoIP concepts and technology:

• Deep Dive into Codecs — How audio codecs work and which to choose.
• Deep Dive into Messaging — SMS, MMS, short codes, long codes, and A2P explained.
• Deep Dive into PoE Troubleshooting — Power over Ethernet issues affecting IP phones.
• Deep Dive into the North American Numbering Plan — How NANP numbers are structured.
• Back to Basics — What is VoIP?
• Back to Basics — What is an ATA?
• Back to Basics — What is an IP Phone?
• Back to Basics — What is a PBX?
• Back to Basics — What is a Softphone?
• Back to Basics — What is a REST API?