/usr/local/bin/opensips-cli -x mi ps

{
    "Processes": [
        {
            "ID": 0,
            "PID": 268642,
            "Type": "attendant"
        },
        {
            "ID": 1,
            "PID": 268643,
            "Type": "MI FIFO"
        },
        {
            "ID": 2,
            "PID": 268644,
            "Type": "time_keeper"
        },
        {
            "ID": 3,
            "PID": 268645,
            "Type": "timer"
        },
        {
            "ID": 4,
            "PID": 268646,
            "Type": "SIP receiver udp:20.1.2.80:5508"
        },
        {
            "ID": 5,
            "PID": 268647,
            "Type": "SIP receiver udp:20.1.2.80:5508"
        },
        {
            "ID": 6,
            "PID": 268648,
            "Type": "SIP receiver udp:20.1.2.80:5508"
        },
        {
            "ID": 7,
            "PID": 268649,
            "Type": "SIP receiver udp:20.1.2.80:5508"
        },
        {
            "ID": 8,
            "PID": 268650,
            "Type": "SIP receiver udp:20.1.2.80:5508"
        },
        {
            "ID": 9,
            "PID": 268651,
            "Type": "SIP receiver udp:20.1.2.80:5508"
        },
        {
            "ID": 10,
            "PID": 268652,
            "Type": "SIP receiver udp:20.1.2.80:5508"
        },
        {
            "ID": 11,
            "PID": 268653,
            "Type": "SIP receiver udp:20.1.2.80:5508"
        },
        {
            "ID": 12,
            "PID": 268654,
            "Type": "SIP receiver udp:20.1.2.80:5505"
        },
        {
            "ID": 13,
            "PID": 268655,
            "Type": "SIP receiver udp:20.1.2.80:5505"
        },
        {
            "ID": 14,
            "PID": 268656,
            "Type": "SIP receiver udp:20.1.2.80:5505"
        },
        {
            "ID": 15,
            "PID": 268657,
            "Type": "SIP receiver udp:20.1.2.80:5505"
        },
        {
            "ID": 16,
            "PID": 268662,
            "Type": "SIP receiver udp:20.1.2.80:5505"
        },
        {
            "ID": 17,
            "PID": 268663,
            "Type": "SIP receiver udp:20.1.2.80:5505"
        },
        {
            "ID": 18,
            "PID": 268664,
            "Type": "SIP receiver udp:20.1.2.80:5505"
        },
        {
            "ID": 19,
            "PID": 268665,
            "Type": "SIP receiver udp:20.1.2.80:5505"
        },
        {
            "ID": 20,
            "PID": 268666,
            "Type": "Timer handler"
        }
    ]
}