I installed PABX based on asterisk (XiVO) for 5 years. This is a good solution for single server installations from 5 to 1500 desktop phones. However, I used

I installed PABX based on asterisk (XiVO) for 5 years. This is a good solution for single server installations from 5 to 1500 desktop phones. However, I used chan_sip, bri or pri card, AGI and AMI. I do not have too much experience with ARI and chan_pjsip.