Plan requirement
| Subscription | Any plan |
| Access | WMS administrator |
Using your own SIP trunks instead of ours. What it involves, and where the responsibility moves to you.
What you get by default
Your system comes with our own multi-carrier connections. Calls route over whichever premium carrier is performing best at that moment, and inbound numbers registered with us sit on premium carriers only.
That is the arrangement most customers should keep. It is why a carrier having a bad hour usually goes unnoticed.
When your own trunk makes sense
- You have an existing contract you cannot or will not exit yet.
- A country or number type we do not carry.
- A group arrangement that already covers telephony.
Outside those, bringing your own carrier costs you the automatic routing and gains you little.
Certification comes first
We do not simply point the system at your trunk. It goes through a certification: a set of tests that establishes the trunk actually works for everything the phone system will ask of it, before anyone relies on it.
Skipping that means finding the gaps during a customer call.
What changes about support
This is the part to be clear-eyed about. On your own trunk, the carrier relationship is yours. We monitor trunks that register with us and we will tell you when one goes unavailable, but resolving it is between you and your carrier.
So a fault that we would normally route around becomes an outage you have to chase.
Where quality problems come from
Robotic audio, one-way sound and dropped calls on a customer trunk usually come from the same short list: the connection between your network and the carrier, a firewall interfering with the media, or capacity on the trunk itself.
Our network requirements apply just as much here. A trunk that is fine in isolation still fails behind a firewall that inspects voice traffic.
Ask before you commit
Tell us what you are considering and we will say what certification would involve for that carrier, and whether what you want is something our own connections already do.
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