IP - :-- -- Call Manager Express 03, 20166700Cisco Unified Communications Manager 01, 2016328030SIP PSTN? 30, 20165100 H.323 28, 20164000 SCCP 26, 201600Cisco Unity Connection 24, 201610000 IP 22, 20165600 H.323 20, 20168200 RTP 18, 201610000 IP- 16, 20162600 3CX Phone System? 14, 20165100Cisco Business Edition 6000 12, 201630010 Dinstar DAG1000 Asterisk 10, 201620000SIP PRI 08, 201630001000VoIP 06, 2016500040 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
