227632 ⎘
Automatic or semi-automatic exchanges; Systems providing special services or facilities to subscribers in private branch exchanges Direct inward dialling
SYSTEM AND PROCEDURE FOR REAL-TIME HYBRID VOIP CONNECTIONS
#2Nurse call system
#3Dialing PBX Extensions From Cell Phone
#4Plug-in extension to integrate PMS/CRM system with phone system
#5Emergency assistance calling for voice over IP communications systems
#6Telephone exchange system, dial-in incoming call method thereof, and dial-in incoming call program thereof
#7Method and apparatus for communicating with one of plural devices associated with a single telephone number during a disaster and disaster recovery
#8SYSTEM AND METHOD FOR PROVIDING A LOCAL NUMBER FOR AN OVERSEAS CALLER TO CALL OR SEND A MESSAGE TO A CALLEE
#9Messaging service subscription
#10Emergency assistance calling for voice over IP communications systems
#11INFORMATION MANAGEMENT METHOD, INFORMATION MANAGEMENT DEVICE, INFORMATION MANAGEMENT PROGRAM, AND CALL RECEIVING DEVICE
#12Method and apparatus for integrating call center and existing telephony infrastructure
#13Call hunt and ringback on the phone through messenger
#14Method for Providing Caller Identification Service and System of Enabling the Method
#15Communication system for remotely updating a registered user's status
#16Method and apparatus for communicating with one of plural devices associated with a single telephone number
#17METHOD FOR HANDLING INCOMING CALLS DIRECTED TO A VIRTUAL COMMUNICATION SERVICE SUBSCRIBER VIA A SHARED LINE SYSTEM
#18Method and apparatus for communicating with one of plural devices associated with a single telephone number during a disaster and disaster recovery
#19Caller-callee association of a plurality of networked devices with direct dial through thin client
#20Communication system with configurable shared line privacy feature
#21MULTIPLE DID NUMBER SUPPORT FOR A VOIP SYSTEM
#22Method and apparatus for providing called party information to a coverage point during survivable processor operation
#23Method and apparatus for communicating with one of plural devices associated with a single telephone number
#24Direct calling to devices via a shared telephone number
#25Complementary VoIP service
#26Direct inward dialing pool lease for originating and terminating services in a unified communication platform
#27Direct inward dialing pool lease for originating and terminating services in a unified communication platform
#28DID line type provisioning verification
#29Feature-based software system for a business PBX