MGCP support Q.SiG features in Call Manager 4.x, while H.323 did not. Cisco Unified Communications Manager (CUCM) 5.0 introduced the Q.SIG feature . Q.SiG feature support enables multi-vendor ...
Cisco System Inc.’s update to its CallManager IP PBX — introduced this week with native SIP support — will require broader upgrades to other network ...
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