Telephony Application Programming Interface, or TAPI, allows applications to control the telephone services in Windows. To use TAPI with Cisco CallManager, install the Cisco TAPI Service, or TSP, ...

Colleague Joris Evers reports today that Cisco has just issued a couple of fixes for two VoIP-related security flaws. Both flaws exist in Cisco's CallManager software, a screen of which is shown at ...

New features in Cisco’s CallManager software promise to make the IP PBX platform more secure and interoperable with standards-based VoIP equipment, while adding native support for video phone calls, ...

Cisco System Inc.’s update to its CallManager IP PBX — introduced this week with native SIP support — will require broader upgrades to other network ...

Cisco fixes actively exploited CVE-2026-20045 zero-day enabling unauthenticated RCE in Unified CM and Webex; CISA sets Feb 11, 2026 deadline.

Configuring route filters in Cisco CallManager Administration to reduce the number of route patterns or restrict calling to undesirable locations Modifying route patterns to use access codes and ...

Cisco has announced new security features for its IP Communications system CallManager. Cisco CallManager 4.1 IP telephony system extends voice media and signaling encryption support for new 7940G and ...

Cisco Systems on Wednesday shipped a high priority fix for its Cisco Unified Communications Manager software, formerly known as CallManager. Cisco gave the flaw, which allows remote code executions, a ...

KIRKLAND, Wash.--(BUSINESS WIRE)--Telrex today announced that its CallRex version 3.1 is the first VoIP call-recording product verified by an independent third party to support the recording of ...

Cisco Systems has released a security update that addresses flaws in its CallManager and Unified Communications Manager product line. An attacker can exploit the flaws to conduct cross-site scripting ...