event service requests for information service 650 could be handled in an exception manner as prescribed by an update from update system 660 call control system 630 could be any system or collection of systems capable of controlling sessions or calls placed to or from caller system 610 call control system 630 could be capable of communicating with transceiver system 620 information service 650 and database system 635 in an example call control system 630 could comprise a base station controller a mobile switching center a switch or a soft switch or any combination thereof as well as any other type of call control system communication network 640 could be any network or collection of networks capable of transporting communications to and from caller system 610 transceiver system 620 call control system 630 and information service 650 information service 650 could be any system or collection of systems capable of providing an information service to caller system 610 in an example information service 650 could be a call server as well as other types of platforms capable of providing information services in operation a user could operate caller system 610 to initiate a session with information service 650 for example a user could provide an input to caller system 610 associated with information service 650 such as a dialed telephone number an internet address or the like in one example the dialed telephone number could be a vertical service code an abbreviated dialing code or the like in such a case caller system 610 could communicate via transceiver system.