Patent ID: 9521096
Filing Date: 2016-12-13
CPC Classification: H04L,H04M

Claim Text:
1. A communication system comprising: an exchange system; an instant messaging (IM) server; a call control gateway connected between the IM server and the exchange system so that the IM server is communicatively connected to the exchange system, the call control gateway configured to enable the IM server to provide computer telephony integration (CTI) services of the exchange system to at least one client connected to the IM server; a plurality of clients comprising a first client and a second client, the clients connected to the IM server such that the first client is communicatively connectable to the second client; and the first client being configured to exchange messages with the call control gateway relating to the CTI services via the IM server so that a CTI link about which the CTI services are provided to the first client is monitored by the call control gateway; and wherein the first client is an Extensible Messaging and Presence Protocol (XMPP) client, and wherein the call control gateway is configured to perform mapping between a Computer Supported Telecommunications Applications (CSTA) specific Invoke ID on one side and a Jabber identifier of at least one of the first client and an XMPP session ID on the other side.