Cisco® Unified CallManager Express可为小型企业或分支机构环境中的思科IP电话提供呼叫处理。该解决方案使大量的思科集成多业务路由器能提供企业用户常用的电话功能，以满足中小型机构对语音和视频通信的要求。Cisco Unified CallManager Express通过单个基于Cisco IOS®软件 ...

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

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 ...

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, ...