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A typical relay service conversation. A telecommunications relay service, also known as TRS, relay service, or IP-relay, or Web-based relay service, is an operator service that allows people who are deaf, hard of hearing, deafblind, or have a speech disorder to place calls to standard telephone users via a keyboard or assistive device.
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The Samsung Galaxy S Relay 4G is an Android touchscreen slider smartphone designed and manufactured by Samsung for T-Mobile USA.It resembles the Samsung Epic 4G in appearance and shares the Epic 4G's screen and camera specifications, but the CPU and other internal hardware is more similar to the Samsung Galaxy S III.
E10-MSC mobile switching center for GSM and other protocols. 1000 (MM) E10 - Evolved switch for multimedia / broadband and IP network environments. Provides POTS/ISDN and next generation services. S12 - Formerly known as "System 12" or the ITT 1240 or acquired by Alcatel when it purchased ITT's assets in Europe.
The IP Multimedia Subsystem or IP Multimedia Core Network Subsystem (IMS) is a standardised architectural framework for delivering IP multimedia services. Historically, mobile phones have provided voice call services over a circuit-switched -style network, rather than strictly over an IP packet-switched network.
Traversal Using Relays around NAT (TURN) is a protocol that allows a client to obtain IP addresses and ports from such a relay. Although TURN almost always provides connectivity to a client, it is resource intensive for the provider of the TURN server.
It complements Voice over IP and Video over IP. Real-time text is streaming text that is transmitted as it is produced, allowing text to be used conversationally. [2] Real-time text is defined in ITU-T Multimedia Recommendation F.700 2.1.2.1 . Real-time text is designed for conversational use where people interactively converse with each other.
This particular type of device is called Internet-Aware Fax device, or IAF, and it is capable of initiating or completing a fax call towards the IP network. The typical scenario where T.38 is used is – T.38 fax relay – where a T.30 fax device sends a fax over PSTN to a T.38 fax gateway which converts or encapsulates the T.30 protocol into a ...