Introduction

Cisco IP Communicator is a VoIP softphone software application. It can register with a Cisco Unified Communications Manager or Cisco Unified Communications Manager Express using either SIP or Cisco's proprietary Skinny Client Control Protocol.

It uses audio codecs G.722 wideband, G.711a, G.711ų, iLBC, G.729a, and G.729ab.

References

1. http://en.wikipedia.org/wiki/Cisco_IP_Communicator
2. http://www.oss.buffalo.edu/Services/Telephone/Softphone