Hi Gilbert,
Would you please share the feature list you are looking in your multi-tenant solution?.
My name is M. Salman Zafar and I am a Sr. VoIP Developer. My expertise mainly include open-source telephony systems like Asterisk. Kamailio, OpenSIPS feature based development which includes
TECHNOLOGIES:
--- VoIP
--- Asterisk (FreePBX/TrixBox/Elastix)
--- A2Billing(PIAF)
--- SIP-Servers
--- OpenSIPS
--- Kamailio
--- Diameter with IMS
--- RADIUS
--- Linux based installation and configurations
Solutions and Customizations:
- Calling Card Solution
- DID/TF Dialing
- Hosted PBX Solutionn
- Click2Dial
- WebRTC based Setup
- Conferencing
- VoIP/SIP Load-balancing and Failure
- Clustering & Large Scale Customizations & Deployment up-to 1Million Calls setup
- SIP Presence Server
- AAA RADIUS based Billing Engine Design & Deployment
- RealTime Billing
Looking forward to hear from you.