Voice

Understand how Telstra's IVR scam-call screening affects your outbound calls and what whitelisting options are available.

Quickly identify what any SIP response code means with a full reference list covering every 1xx–6xx status.

Check the exact per-minute rate for any number — including international calls — before you dial.

Get the SIP domain and IP address needed to connect your device or switch to the Atomic platform for inbound and outbound calls.

Identify where inbound mobile calls originate and route them to the right state-based queue using MOLI codes in your SIP setup.

Customise how caller and called numbers are formatted on your SIP Trunk using flexible translation rules — no switch-side config needed.

Enable voicemail on your SIP Trunk and receive missed-call messages by email or by dialling *98 from your SIP client.

Easily scale your SIP Trunk capacity by adding or removing channels directly from the Atomic portal.

Create a SIP Trunk, Teams Direct Routing, or Hosted Voice service in the Atom portal with the right settings from day one.

Redirect incoming SIP Trunk calls to any number automatically when your trunk is busy, unavailable, or unregistered.

Control how your RTP media is proxied through the Atomic platform to handle NAT and network topology needs.

Keep anonymous and private calls connecting reliably by configuring the required SIP headers on your trunk.

Connect SIP phones and ATAs to the Atomic platform using username and password authentication via your SIP End Point.

Ensure callers always hear a ring back tone, even when their device is misconfigured, using server-side ring back tone generation.

Connect your SIP Trunk to the Atomic platform using a SIP Endpoint, Outgoing Trunk, or Incoming Trunk with primary and secondary failover.

Decode SIP Trunk CDR result codes instantly — find out exactly why a call failed with this full reference table.

Connect your Yeastar Cloud PBX to Atomic SIP Trunks and configure DIDs, outbound calling, CallerID, and inbound routes.

Understand advanced SIP Trunk features like PRACK reliable provisional responses and P-Asserted-Identity on the Atomic softswitch.

Configure your SIP Trunk end-to-end — set up connections, assign DID numbers, and route inbound calls to your PBX in the right order.

Deliver a full cloud PBX experience to your customers with IVR, voicemail, call queuing, and a white-label portal — all from the Atomic pla…

Get your Hosted Voice service up and running — set up your white label portal, custom domain, and give customers their own admin access.

Get your Hosted Voice account live on Atomic — configure SIP domains, licenses, SMS, and your own branded portal in one place.

Brand your Hosted Voice environment with a custom SIP domain so customers connect their SIP devices to your own domain name.

Understand how your Hosted Voice channel count adjusts automatically as you add or remove users.

Make sure your call routing rules fire at the right time by setting the correct timezone for each Hosted Voice account.

Enable 2-way SMS on your Hosted Voice account so users can send and receive text messages from their extensions.

Connect your Microsoft Teams account to Atomic's voice network with step-by-step Direct Routing setup guidance.

Check the licensing and admin access requirements before connecting Microsoft Teams to the Atomic platform.

Get your MS Teams Direct Routing service started by creating a Service Plan and capturing your unique Teams Domain name.

Register your Atomic-provided domain in Microsoft 365 and verify it to activate your MS Teams Direct Routing connection.

Activate your Atomic domain in Microsoft 365 by assigning a licensed user — then sit back while Microsoft completes the process.

Connect your Microsoft Teams tenant to Atomic by adding and configuring your SBC in the Teams Admin Panel.

Assign phone numbers to Microsoft Teams users and enable Direct Routing so they can make and receive calls.

Route all Microsoft Teams calls through the Atomic platform by setting up PSTN records, voice routes, and routing policies in minutes.

Transform Australian dialled numbers to E.164 format and assign Dial Plans to users in Microsoft Teams Direct Routing.

Configure Microsoft Teams Calling Policies correctly so calls connect reliably through the @voice Direct Routing platform.

Control whether your phone number or 'Private' appears as your caller ID on Microsoft Teams calls.

Add phone numbers to your Teams Auto Attendants and Call Queues using a Resource Account and Virtual User license.

Order a new DID number instantly from Atomic's inventory or request domestic and international numbers in seconds.

Understand what happens during a number port cut-over and how to keep downtime to a minimum on the Atomic platform.

Control whether your inbound and outbound calls use E.164 or domestic number format, globally or per DID.

Forward incoming calls from your DID number to any phone — no SIP Trunk or Endpoint needed.

Move your Atomic phone number to a new provider smoothly — here's exactly what information you'll need and how the process works.

Get, generate, and download Porting Authority Forms when porting phone numbers through the Atomic platform.

Forward your DID number to one or multiple Asterisk extensions with a simple extensions.conf dialplan snippet.

Port your US or Canadian phone numbers to Atom Telecom by submitting your carrier details and preferred transfer date.

Port your existing phone numbers to Atomic quickly — submit Geographical, 1300, 1800, Mobile, and NZ numbers straight from the portal.

Port a simple phone number in 5–7 business days — know what to prepare, avoid rejections, and track your request to cutover.

Understand the full CAT-C complex porting process — from submission to cutover — and what to expect at each stage.

Customise how your DIDs are delivered — change number format, CLI translation rules, and SIP routing in a few clicks.

Reassign a DID to a different Service or Connection instantly — no downtime, changes take effect the moment you save.

Connect Genesys BYOC to your Atomic SIP Trunk and enable 2-way SMS with step-by-step setup instructions.

Get the exact SIP gateway settings, codecs, and IP addresses needed to connect your phone system to Atomic's network.

Fix outbound dialling issues with Australian number prefixes by switching your SIP Trunk dial format to Domestic.

Stop your calls showing a 9990 account number — configure your Caller ID correctly on SIP Trunks.

Enable local dialling for your SIP accounts using CLD Translation rules to automatically prefix state codes to 8-digit numbers.

Receive and reply to SMS on your iPhone using your Virtual Mobile Number with Pushover, Zapier, and Shortcuts.

Find out why your number won't assign to a connection and fix it fast for SIP, Teams, or Hosted Voice.

Understand how channels control your concurrent calls and keep your lines free when Call Forwarding is active.

Fix the wrong business name showing on your outbound calls by updating your details with Hiya, Truecaller, and Whitepages.

Find out why your calls to iPhones hit an automated prompt or go straight to voicemail — and what you can do about it.

Find out why SIP ALG on your router breaks VoIP calls and how disabling it fixes one-way audio, dropped calls, and connection issues.

Understand how your PAI header is handled on outbound calls and ensure your caller ID reaches carriers correctly.

Understand the two ways to send outbound calls through Atom — SIP Endpoint or SIP Outgoing Trunk — and get your PBX configured in minutes.