Voice

Voice services, call routing, SIP Trunking, and phone system configuration

70 articles

General

6 articles
Telstra Scam Call Changes

Understand when Telstra may screen calls with an IVR and what callers need to do to connect.

SIP Response Codes

Identify what a SIP response means, from call setup and redirection to request, server, and global failures.

Rate Checker

Check the exact per-minute rate for a number before you call, including international destinations.

Connecting to Atomic via SIP

Connect your switch or device to Atomic SIP and configure inbound DID delivery with the correct server details.

MOLI Codes

Use mobile caller location codes to route inbound calls to the right regional queue or IVR.

Presenting Original Caller ID on Diverted (Call-Forwarded) Calls

Present the original caller’s number on forwarded calls while meeting Atom’s SIP trunk requirements.

SIP Trunks

14 articles
CLI/CLD Translation

Format caller and called numbers, choose which CLI to send, or block specific numbers on your SIP trunk.

Voicemail

Enable voicemail and check messages by calling 98 or receiving them as email attachments.

Adding / Removing Channels

Adjust the number of channels assigned to a Voice service account in the Atomic portal.

Create a Voice Service

Create a voice service and set its plan, call channels, dial format, and calling options.

Call Forwarding

Route incoming SIP trunk calls to backup numbers when the service is unavailable, busy, or unregistered.

Managing Media Relay

Choose when SIP trunk media is relayed through the Atomic platform for NAT handling or network topology masking.

Anonymous / Private Calling

Configure the required SIP headers so anonymous and private calls connect successfully.

SIP End Point

Connect SIP phones and ATAs to your account using username-and-password authentication.

Ring Back Tone Generation

Keep callers hearing ringback while a SIP call is being set up, even when their phone cannot generate the tone.

Connections for Services

Connect SIP devices and trunks so your service can make and receive calls through Atomic.

CDR - Result Codes

Match a failed call’s CDR result code to its cause and find the next troubleshooting step.

Connecting to Yeastar Cloud PBX

Connect Yeastar Cloud PBX to your SIP trunk and route inbound and outbound calls with the right DID and caller ID settings.

Advanced Features

Understand how SIP Trunks handle PRACK acknowledgements and find the P-Asserted-Identity reference.

Voice Service Configuration: Walkthrough

Configure SIP connections, route inbound DID calls, and set the voice service options your PBX needs.

Hosted Voice

8 articles
What is Hosted Voice

Offer customers a branded cloud PBX with flexible call handling, voicemail and reporting from the Atomic platform.

Get Started with Hosted Voice

Give customers a branded portal to manage Hosted Voice users and extensions, with the option to use your own domain.

Setting up a Hosted Voice Account

Create a Hosted Voice tenant, configure calling and licenses, and give users a branded portal.

Setup Custom SIP Domain

Give customers a branded SIP domain for connecting their SIP phones and softphones.

Channels on Hosted Voice

See how Hosted Voice licenses determine channel capacity and how many simultaneous calls each user can handle.

Timezone Management

Set the correct timezone for each Hosted Voice account so time-based rules run at the right local time.

2-way SMS

Enable 2-way SMS on Hosted Voice and assign a number to the right user or extension.

Hosted Voice Country Setup

Choose your Hosted Voice country to get the right timezone and dial plan during setup.

MS Teams Direct Routing

12 articles
Overview

See what’s needed to connect your Teams users and Microsoft 365 tenant with Atomic.

Requirements

Check the subscriptions, licenses and administrator access you need to connect Microsoft Teams with Atomic.

1. Create Service Plan

Create a Teams Direct Routing account and find the domain needed to connect your Microsoft 365 tenant.

2. Adding the Domain

Verify your Teams Direct Routing domain with a TXT record and complete Microsoft 365 setup without enabling extra services.

3. Activating the Domain

Skip domain activation when setting up Teams Direct Routing; Microsoft no longer requires this step.

4. Connect Teams to Atomic

Connect your Microsoft Teams tenant to Atomic by configuring its SBC and resolving domain activation errors.

5. Add Users to Teams

Assign an Atomic phone number to a licensed Teams user and enable calling through Direct Routing.

6. Call Routing

Route Microsoft Teams calls through Atomic by setting up voice routes and assigning a routing policy.

7. Dial Plans

Convert dialled numbers to +E.164 and assign the right dial plan so Teams calls connect.

8. Calling Policies

Set Teams calling options that help calls connect through the @voice platform.

9. Caller ID Policies

Choose whether your Microsoft Teams calls show your DID number or appear as private.

10. Auto Attendant / Call Queue

Connect a phone number to your Teams Auto Attendant or Call Queue using a resource account.

DID Numbers

11 articles
Ordering a Number

Find an available phone number, assign it to your service, and track activation results.

Porting Cut Over Process

Prepare your PBX and routing before number cutover to help minimise downtime for incoming calls.

Inbound and Outbound Number Formats

Choose the number format your switch, PBX, or device receives for incoming calls and sends for outgoing calls.

Simple Answer Point

Forward calls from your hosted number directly to a designated phone number.

Port Your Telephone Number to a New Provider (Port Out)

Move your number to a new provider with the right account details and port-out steps.

Porting Authority Form

Keep number ports authorised with a customer-signed PAF and download the generated copy from pending requests.

Forwarding a DID to an Extension using Asterisk

Route your Atomic DID to one or more Asterisk extensions with a simple dialplan update.

International DID Porting

Move your US or Canadian DID numbers to Atom by submitting the required customer and carrier details.

Porting Numbers

Port your numbers into the right service and connection, with clear requirements and expected timelines.

Porting a Simple Number @CAT-A

Prepare your simple number for a CAT-A port and know what to expect from submission through cutover.

Porting a Complex Number @CAT-C

Prepare CAT-C number ports, track verification and cutover, and check your numbers after transfer.

Number Inventory

2 articles
Manage DID Settings

Manage DID connections, caller ID rules, and number formats individually or in eligible bulk updates.

Moving DID Numbers

Move a DID to another Service or Connection and see when the change takes effect.

Integrations

5 articles
Genesys

Connect Genesys Cloud to your Atomic SIP Trunk and enable secure two-way SMS.

Connecting an External Voice Platform to Atomic

Connect your PBX, voice AI, or contact-centre platform to Atomic for inbound and outbound calls.

Configure an Atom number in ElevenLabs

Connect your Atom number to an ElevenLabs Agent for inbound and outbound calls.

Configure an Atom number in LiveKit

Connect your Atom number to a LiveKit AI agent and test inbound and outbound calling.

Configure an Atom number in Vapi

Connect your Atom number to a Vapi assistant and test inbound and outbound calls.

FAQ

12 articles
SIP Profile

Configure your SIP interconnect with the correct gateway details, codecs, dialing plans, and security settings.

I can't dial out using when using the 02, 03, 04, 07,08 and 13

Set your SIP Trunk to Domestic dial format to make calling local numbers easier.

Why is my CLI appearing with a 99900xxxxxxxx number?

Choose the caller ID shown on outbound SIP Trunk calls, or set a unique CLI on each user device.

Dialling a Local Number

Configure local calling translations so 8-digit and 13 numbers route correctly for your area.

Sending & Receiving SMS (iOS)

Get notified of incoming SMS on your iPhone and reply using your Virtual Mobile Number.

I can’t Assign a number to a Connection

Configure your Voice connection correctly so you can assign or port a number.

How Does Channels Work?

Check how channels affect concurrent calls and manage your account’s channel count in the portal.

Caller ID Showing Incorrect Business Name

Correct the business name recipients see when you call from your DID by updating caller ID provider records.

Why Your Call May Reach an Automated IVR or Not Ring on iPhone Devices

Know why calls to iPhones may be screened or sent to voicemail, and what callers can do to reach the recipient.

What is SIP ALG and why you need to disable it?

Disable SIP ALG on your router to help prevent one-way audio, failed calls, and other VoIP connection issues.

P-Asserted-Identity (PAI)

Set up caller identity on outbound calls and improve compatibility with carrier networks.

How Outbound Calling Works — SIP Endpoint vs SIP Outgoing Trunk

Choose the right SIP connection and configure your PBX to send outbound calls through Atom.