Kodiak Networks Inc

Motorola Solutions, Inc.

Basem Ahmad Ardah

Krishnakant M Patel

Brahmananda R Vempati

Ramu Kandula

Ravi Ayyasamy

Gorachand Kundu

Harisha Mahabaleshwara Negalaguli

Bibhudatta Biswal

Harisha Negalaguli

Ravi Shankar Kumar

Madhusudan K Pai

Pratap Chandana

Anand Narayanan

Shiva K K Cheedella

Abhishek Jain

Bruce D Lawler

Arun Velayudhan

Shibu Narendranathan

Bharatram Setti

Bidhudatta Biswal

Chetan M Patel

Rohit A Nerlikar

Shiva K Cheedella

Systems and methods for multiple mode push-to-x group calls. One example embodiment provides a push-to-X server. The push-to-X server includes a communication interface communicatively coupled to a communication network and an electronic processor. The electronic processor receives, via a unicast uplink channel, a group call request from a first subscriber unit of the communication network. The electronic processor receives, from the first subscriber unit, a push-to-X data stream. The electronic processor receives a unicast channel request from a second subscriber unit of the communication network. In response to receiving the unicast channel request, the electronic processor establishes a unicast channel resource with the second subscriber unit. The electronic processor transmits the push-to-X data stream to the second subscriber unit via the unicast channel resource and transmits the push-to-X data stream to a plurality of subscriber units via a broadcast media bearer channel.

Multiple mode push-to-X group calls on long term evolution networks

Techniques for variable length talk permit tone are provided. a request to initiate a Push-to-Talk (PTT) call may be received from a PTT call initiator. A first estimated length of time needed to set up resources for the PTT call may be determined. A second length of time to playout a talk permit tone (TPT) may be determined based on the determined first estimated length of time. An indication may be sent to the PTT call initiator to playout the TPT for the determined second length of time.

System and method for variable length talk permit tone

A network-to-network interface (NNI) device, including at least one push-to-talk (PTT) interface adapter, a processor connected to the at least one PTT interface adapter, and a non-transitory computer readable medium connected to the processor. The non-transitory computer readable medium has stored thereon instructions that, when executed by the processor, cause the NNI device to receive a first PTT communication in a first PTT format through the at least one PTT interface adapter from a first PTT system, translate the first PTT communication into a second PTT communication in one or more second PTT formats, and transmit the second PTT communication through the at least one PTT interface adapter to one or more second PTT systems.

Network-to-network interface gateway system for push-to-talk-over-cellular service

A Push-to-Talk-over Cellular (PoC) implementation for use in a wireless communications network, wherein one or more servers interface to the wireless communications network to perform the PoC call sessions. Both the servers and the mobile units that use the PoC call sessions communicate with each other using SIP/IP (Session Initiation Protocol/Internet Protocol) control messages within the wireless communications network, and one or more of the servers switches RTP/IP (Realtime Transport Protocol/Internet Protocol), RTCP/IP (Realtime Transport Control Protocol/Internet Protocol), or MBCP/IP (Media Burst Control Protocol/Internet Protocol) voice packets for the PoC call sessions between the mobile units across the wireless communications network.

Push-to-talk-over-cellular (PoC)

A Hybrid Push-to-Talk (PTT) function for use in wireless communications networks, such as cellular mobile telephone networks. The cellular mobile telephone network includes a Real-Time Exchange (RTX) that interfaces to at least one Mobile Switching Center (MSC) in the cellular mobile telephone network to provide instant two-way half-duplex voice messaging within a group of users. In the Hybrid PTT function, first or initial talkbursts or volleys are transmitted by the RTX from an originating mobile to terminating mobiles on pre-established Internet Protocol (IP) sessions between the RTX and the mobiles. In addition, circuit channels are established by the RTX with the mobiles through the MSC in parallel with the first talkburst or volley. Thereafter, second or subsequent talkbursts or volleys are transmitted by the RTX from the originating mobile to the terminating mobiles on the circuit channels.

Hybrid push-to-talk for mobile phone networks

Enhanced Group Calling Features for Connected Portfolio Services in wireless communications networks, such as a mobile or cellular phone communications networks. The Connected Portfolio Services include Mobile Conferencing (Scheduled/Instant/Reservationless Conference), Family Connect, Buddy Connect, and Quick Reach, while the Enhanced Group Calling Features include Voicemail Diversion (the recognition of a diversion to voicemail and dropping the leg), Reverse Quick Reach (where a terminating subscriber defines how a call dialed to his/her mobile number should be handled and directed), and Single Number Group Calling (an optimal design implementation of single number based group calling).

Enhanced group calling features for connected portfolio services in a wireless communications network

A roaming gateway for support of advanced voice services while roaming in wireless communications systems. The roaming gateway supports push-to-talk (P2T) calls, or other advanced voice services, when P2T subscribers roam from their home network (i.e., a network operated by their service provider where the subscriber's profile resides) into a foreign network (i.e., a network operated by another service provider). The roaming gateway is a specialized version of a real-time exchange that is located in the home network and is connected to mobile switching centers in foreign networks, so that the mobile switching centers in the foreign networks need not be programmed for the advanced voice services.

Roaming gateway for support of advanced voice services while roaming in wireless communications systems

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Plano, TX, United States of America

Basem Ahmad Ardah