SIP Trunking
Carrier-grade voice termination for centers running their own dialer — works with Vicidial, GoAutoDial, Asterisk/FreePBX and 3CX.
Learn about SIP trunking →
VoIP & Dialers for Call Centers
Carrier-Grade VoIP SIP Trunks for Call Centers
Carrier-grade voice, hosted dialers, DID numbers and BPO virtual assistants — built for high-volume call center dialing.
99.99% uptime
Tier-1 carrier routes
Real human support
What we do
Four ways we keep your call center dialing — pick the piece you need, or stack them.
Hosted Vicidial Dialer
A cloud Vicidial dialer we host and manage, so your agents log in and start calling.
Learn about our hosted dialer →DID Numbers
Local and toll-free DID numbers for inbound and caller ID — ask us about availability.
Learn about DID numbers →BPO Virtual Assistants
Work-from-home virtual assistants for BPO and call center teams.
Learn about BPO virtual assistants →Why dial with the King
What a high-volume call center needs to keep connect rates up and headaches down.
Tier-1 Routes
Direct and Tier-1 carrier interconnects for your outbound traffic.
Low Latency
Geo-distributed points of presence help keep audio clear on live calls.
Caller ID & Authentication
STIR/SHAKEN attestation helps authenticate your outbound calls.
Fast Provisioning
Spin up trunks and numbers from a self-serve portal.
Human Support
Real network engineers, not a chatbot. Support Mon–Fri, 9am ET–9pm PT.
Live Reporting
ASR, ACD and channel usage in real time, with exportable CDRs.
99.99%
Network uptime
Tier-1
Carrier routes
9–9
Support, Mon–Fri
Same day
Quotes, usually
Pick your route
Pricing is tailored to your volume, destinations and setup. Tell us what you’re running and we’ll put together a quote, usually the same day.
Starter
Small teams & new campaigns
Let’s talk
Flexible, no long commitment
- Pay-as-you-go flexibility
- DID numbers available
- Self-serve portal & CDRs
Most Popular
Call Center Pro
Growing outbound operations
Let’s talk
Scales with your volume
- Hosted dialer OR SIP trunks
- Caller-ID reputation tools
- Priority human support
Enterprise
High-volume & wholesale
Let’s talk
Negotiated A-Z & committed volume
- Dedicated routes & SLAs
- Named account engineer
- Custom coverage
Ready to get connected?
Tell us about your call center and we’ll match you to the right routes — quotes usually same day.
Request a quote