Phone
SIP Trunk
Connect your existing IP-PBX to the Altaris network. Elastic channels, local DIDs and geo-redundant failover that slash telco costs.
- Elastic channels
- Local DIDs
- Geo-redundant failover
Overview
Connect your PBX to the Altaris carrier network.
Replace legacy phone lines with SIP trunking. Choose the number of channels based on your requirements and cut your calling costs instantly.
- Concurrent calls
- HD codecs
- Number porting
- Failover routing
- PBX compatible
- Real-time portal
Benefits
What SIP Trunk changes for your business
Cost-effective
Zero maintenance and management costs.
Reliability
High-quality and reliable voice service.
Advanced solution
Enables IP based communication via landlines.
Capabilities
Included with the service
Concurrent calls
Easily manage multiple concurrent calls.
HD codecs
G.711, G.722 and Opus for crystal-clear voice.
Number porting
Bring your existing numbers at no extra cost.
Failover routing
Automatic reroute to mobile or backup site on outage.
PBX compatible
Certified with Asterisk, 3CX, FreePBX, Avaya and Cisco.
Real-time portal
Monitor channel usage and call quality live.
Use cases
Built for the way you operate
Banks
High-volume branch and call center telephony.
Call centers
Burst capacity for peak hours.
Enterprises
Consolidate lines from every office.
Hospitality
Guest room and front desk calling.
Onboarding
Ready to begin? Three simple steps.
01
Tell us what you need
Share your sites, seat count and the numbers you want to keep. A specialist maps the right service.
02
We design and provision
Survey, configuration and number porting are handled by our engineers. Most cloud services go live the same day.
03
Stay supported, 24/7
The network operations center monitors the service, and your account team stays on the line after go-live.
FAQ
Questions about SIP Trunk
A specialist can walk through pricing, coverage and porting on a short call.
How long does it take to activate SIP Trunk?
Most services are provisioned within 2 to 5 business days after the site survey and paperwork are complete. Cloud-only services are usually live the same day.
Is there a long-term contract?
We offer monthly, annual and multi-year terms. Longer terms unlock lower monthly pricing and priority support.
What support do I get?
Every business account includes 24/7 support from our network operations center, with a dedicated account manager for enterprise customers.
Contact
Let's get in touch
Questions, a custom quote, or a coverage check — send a note and the team will reply within one business day.
Switch to Altaris and keep every number you already have.
Free number porting, white-glove onboarding and a 30-day money-back guarantee. Most teams are live the same day.