MultiTEL developers & guides
Build, configure and connect
Find the integration reference or setup guide for your next task.
Get started
Understand API access and the request/response format.
REST authentication and getting started →API reference
Find current REST operations, schemas and account-authorized examples.
Browse API references →Configure services
Set up numbers, SIP and your hosted phone system.
Browse PBX guides →MultiTEL APIs are designed for approved Developer & Automation, Business and Communications Provider accounts. Messaging API access is not included with Personal & Family service.
REST API guides and integrations
API reference · Account & billing REST APIs
API reference · Fax
API reference · Get started
API reference · Messaging
- Assign a number to a messaging campaign
- Send SMS and supported MMS
- Calculate SMS encoding and segments
- Register a messaging brand
- Retire a messaging brand
- Check a brand’s available campaign use cases
- Reverify a messaging brand
- Update a messaging brand
- Register a 10DLC campaign
- Deactivate a messaging campaign
- Update a messaging campaign
- Load messaging registration catalogues
- Read a brand’s campaign requirements
- Import an existing vetting result
- Order external brand vetting
- Check a brand’s vetting results
API reference · Number intelligence
API reference · Number porting
API reference · Phone numbers
- List catalog countries (legacy format)
- Submit a phone-number directory listing
- List coverage areas for a country
- List countries with numbers in stock
- Check mobile inventory for an exchange
- Find available mobile numbers
- Find available phone numbers
- List prefixes for an area
- Read a saved number price plan
- List US states or Canadian provinces with numbers in stock
- Order phone numbers from a prefix
- List special number types and prices for a country
- Purchase a selected phone number
API reference · Registration and activation
- Create a registration profile
- Upload registration proof files
- Attach an identity or address proof
- Attach a supporting document
- Remove a registration profile
- Remove an unused upload reference
- List registration profiles
- Read a registration profile
- List registration countries
- List registration number types
- List available registration uploads
- List proof categories
- Read registration requirements
- List supporting-document templates
- Submit a number registration profile
- Update a registration profile
API reference · Speech and translation jobs
CNAM integration
Messaging
REST API guides
Tutorials
REST/JSON Services
- BuyNumbers REST function
- GetAreas JSON Service
- GetCountries REST/JSON Service
- GetDIDs JSON Service
- GetRingTo function
- LNP New Port API
- LNP Number Status
- LNP Numbers Status
- LNP Project Status
- MultiTEL APIv3
- ReleaseNumber REST/JSON function
- v3 Create encrypt file
- v3 Create registration document
- v3 Delete encrypted file
- v3 Delete Registration Document
- v3 Delete Whatsapp Sender
- v3 Delete Whatsapp Template
- v3 E911 delete address
- v3 E911 inventory
- v3 E911 provision address
- v3 E911 verify address
- v3 Fax Offnet Test
- v3 Get document requirements
- v3 Get encrypted files
- v3 Get Proof Types
- v3 Get Registration Documents
- v3 Get Users
- v3 Get Whatsapp Sender
- v3 Get Whatsapp Senders
- v3 Get Whatsapp Template
- v3 Get Whatsapp Templates
- v3 GetAreas
- v3 GetCountries
- v3 GetNumbers
- v3 GetPrefixes
- Hosted PBX API: call records
- v3 HostedPBX Destinations
- v3 HostedPBX Dialing Profiles
- Hosted PBX API: phone-number routing
- v3 HostedPBX Extensions
- Hosted PBX API: fax records and sending
- v3 HostedPBX Locations
- Hosted PBX API: list service plans
- Hosted PBX API: tenants
- v3 HostedPBX Timezones
- v3 Putting it all together
- Receive SMS and MMS with a webhook
- v3 Release
- v3 RentNumber
- v3 Send Whatsapp Message
- v3 SendSMS
- v3 SMS Offnet Test
- v3 Update Registration Document
Hosted PBX
- Play an announcement before forwarding a call
- Routing phone numbers in Hosted PBX
- Ordering and setting up Hosted PBX
- Audio prompts and music on hold
- Connect Microsoft Teams with Direct Routing
- Creating and Configuring Extensions
- Configure a call script
- Outbound call campaigns: current availability
- Block unwanted caller IDs
- PBX Conduits
- Set up a conference room and review your meetings
- Create a custom call destination
- Set up DISA extension access
- PBX Feature Codes
- Create reusable flows and day/night controls
- Set up a ring group for your team
- Hosted PBX: getting started and call routing
- Build an IVR telephone menu
- Paging and intercom groups
- Configure a call queue for your team
- Manage Hosted PBX settings
- Shortcuts: reach frequently called numbers
- Set up voicemail boxes
- Provisioning the Linphone softphone
- Route calls with time conditions
Knowledgebase
- Cisco 794X/796X/etc Factory Reset
- Cisco Nexus 5K initial setup
- Configuring call termination via Cisco gateways
- Set calling cost controls
- Understand number channels, minutes and pricing
- Disable SIP ALG on a D-Link router
- Disabling SIP ALG on Netgear
- Disabling SIP ALG on Zyxel
- Configure DNS for a white-label portability tool
- Linksys LRT224 recommended settings for VoIP
- List of IP addresses used for origination
- Set up conference calling
- Migrating email with ImapSync
- Plain Asterisk configuration for receiving inbound calls
- Find and purchase a phone number
- SonicWall SIP transformation settings
- Phone-number registration requirements by country
- Hosted Email domains and webmail access
- Set up a Microsoft Teams account
- STUN Servers
- STUN Servers
- Subscribe to Hosted Email in MultiTEL Connect
- Unblocking your number on various mobile networks
- What is Toll Fraud
Phone setup guides
Configure Cisco and Polycom phones for Hosted PBX.
Configure services
- Review calls abandoned in a queue
Find queue abandonments and timeouts, filter PBX dates and interpret the recorded caller and waiting-time details.