Synthflow plugs into a phone system. VOCPhone is one.
Synthflow is an enterprise voice AI layer that connects to Twilio, a SIP trunk or the PBX you already run, sold from US$30,000 a year. VOCPhone is the network, the phone system and the AI, for Australian small business.
Our own networkAustralian ownedNo contract
SYNTHFLOW ROUTEHOPS BETWEEN COMPANIES
Synthflow: a new company at each hopVOCPhone: answered and handed over on one network
What Synthflow does well
It runs at very high volume, holds SOC 2, HIPAA, GDPR and ISO 27001, and integrates with 3CX, RingCentral, Dialpad, Aircall, 8x8, Genesys and Five9. For a large contact centre with engineers, it is capable.
Very high call volumes
SOC 2, HIPAA, ISO 27001
Deep PBX integrations
No-code designer and API
Where Synthflow stops and a phone system has to start
01
Enterprise pricing
Its pricing page starts Enterprise at US$30,000 a year, sales led.
02
You bring the telephony
Numbers from Synthflow, your own Twilio, or SIP to your PBX, with SIP and PBX on Enterprise.
03
US or EU data only
Its docs list US and EU regions. No Australian region.
VOCPhone vs Synthflow
| Feature | Synthflow | VOCPhone |
|---|---|---|
| What you are buying | ✕Voice AI layer for PBXs | ✓Phone system, network and AI in one |
| Price | ✕From US$30,000 a year | ✓From $49 a week |
| Telephony | ~Twilio, SIP or their numbers | ✓Our own network, your numbers |
| Staff phones and apps | ✕Through your PBX | ✓Included |
| Data region | ✕US or EU | ✓Australian owned and hosted |
| Who builds it | ~Designer, API, often an agency | ✓You, in Agent Studio, with our help |
From Synthflow public website, checked 28 September 2026.
What you end up paying for
With Synthflow
Synthflow Enterprisefrom US$30,000/yr
Telephony and trunksseparate
A PBX for your teamseparate
Build partneroften extra
Companies to deal with2 or more
With VOCPhone
Phone system, numbers and appsper user
AI Phone Agents, unlimited, training includedfrom $49/wk
AI talk time, lower with bundlesper minute
Lock-in contractnone
Companies to deal with1
Why the AI belongs on the network
1
The call never leaves our network
VOCPhone owns and operates the network your calls travel on. The AI answers inside it, so there is no divert to another company and nobody in the middle.
2
Your AI and your people share one line
The agent puts callers through to a person or a queue with the context already spoken, on the same system your team answers from.
3
You decide which calls it takes
Point a number, a queue or a time condition at the agent. After hours and overflow go to AI, everything else rings your staff.
4
Every call in one place
Recordings, transcripts and summaries sit next to your team's calls in the VOCPhone apps on PC, Mac, iOS and Android.
5
One Australian company to call
Phones, numbers, AI and support from one Australian-owned provider with 15 years in the market and 99.99% network uptime.
6
Priced so it pays on one booking
Unlimited AI Phone Agents from $49 a week, training included, talk time by the minute, no contract.
Questions people ask
Does Synthflow include phone lines?
Synthflow connects to its own numbers, your Twilio account or a SIP trunk to your PBX. It has no staff phones or queues of its own. VOCPhone includes the numbers, the network and the phone system.
What does Synthflow cost?
Its pricing page lists Enterprise from US$30,000 a year. VOCPhone AI Phone Agents are from $49 a week for unlimited agents, in Australian dollars.
Where does Synthflow keep data?
Its documentation lists US and EU regions only. VOCPhone is Australian owned and hosted.
Put your AI on a network that answers to you.
Book a 15 minute demo, or upload your current phone bill and we will show you what you would pay with VOCPhone.
Or talk to a person on 1300 663 222
All AI comparisonsvs Sophiievs Hello22vs Valory AIvs AiDialvs Johnni.aivs FlowWorksvs OneBookPlusvs AI Answering Servicevs Bland AIVOCPhone AI Phone Agents
Competitor details come from each provider's public website, checked 28 September 2026. They can change, so confirm current pricing with the provider. Names are trademarks of their owners, used for comparison only.